This application includes a number of embodiments of a spring powered toothbrush for cleaning teeth. A wind-up spring is located in the base of the toothbrush which spring provides power for a gear train including a drive shaft assembly that is designed to bring about rapid movement of the brush portion of the toothbrush to aid in cleaning the teeth. The drive mechanism is controlled by a spring biased push button in the toothbrush housing. In one version the brush portion of the toothbrush includes a rotatable brush section that is gear driven by the drive shaft. In another version the upper portion of the toothbrush is vibrated by an offset weight connected to the drive shaft and in a third version the drive shaft includes an offset weight that acts to oscillate a movable brush section by intermittent engagement between the; weight and brush section.

An actuator comprises an elongated shape-memory element wound around a first element and having one first end connected to the first element and one second end connected to a second element. Heating means are provided for heating the shape-memory element in order to obtain a displacement of one of the ends thereof. The elongated shape-memory element is guided so that it can slide within a closed channel made of a material having a low coefficient of friction, for example defined by a sheath.

A shopping cart is equipped with an electrical/electronic component(s), such as a shopping assistant, that is electrically powered by a rechargeable power supply. A system is provided for continuously recharging the power supply as the shopping cart is propelled by the customer. In one embodiment, the wheels of the shopping cart are linked to a potential energy storage component, such as a coil spring. The spring is wound with each movement of the shopping cart, regardless of the distance that the cart travels. When the coil spring has been wound to a pre-determined torque, the spring is released to drive an input to an electrical generator. Once the potential energy in the spring has been dissipated the winding cycle begins again.

A device for generating rotational movement which includes an output shaft supported for rotational movement and at least two one-way clutch mechanisms attached to the output shaft. An inflatable piston (“infton”) assembly is associated with each one-way clutch mechanism and includes a weighted member, an inflatable bladder associated with the weighted member, at least one inlet valve associated with an interior of the inflatable bladder, at least one outlet valve associated with the interior of the inflatable bladder, and a chain associated with the weighted member and extending over and drivingly engaging the respective one-way clutch mechanism. A source of filling fluid supplies each inlet valve. The filling fluid has a density less than that of a buoyancy fluid surrounding the infton assembly. A control system is configured to control the inlet and outlet valves to facilitate filling and discharging of the inflatable bladders.

A sheet processing apparatus includes a sheet conveying unit configured to unwind a portion of a rolled sheet and convey the unwound sheet, a ribbon conveying unit configured to convey a ribbon having thereon a coloring layer that is not visible up to a predetermined temperature and becomes visible above the predetermined temperature, a thermal head configured to transfer the coloring layer on the ribbon to a portion of the unwound sheet, and a cutter configured to cut off a portion of the unwound sheet.

The invention provides a new method for the safe storage and drying of a helmet and related accessories (spare helmet face shield, sunglasses, goggles, primary gloves, secondary gloves, chin curtain, breath deflector/guard, helmet screws, neck brace, knee pads, elbow pads, chest protector, keys, and remote control gate/garage openers) employed in activities in which a helmet is utilized. The device is suspended utilizing various length interchangeable hanging straps possessing varied attachment methods to accommodate various hanging locations. The side connected hanging straps attach at an angle to the front opening so that the front opening is directed at an upward facing angle off of the vertical plane and a center angle adjustment and interlocking strap is utilized to set a preferred angle and interlink multiple devices hung vertically one under another. The angled orientation enables the device to be bumped or swung without concern that the helmet or other items stored therein will fall out. The shape and flexible nature of the device allows the sides to close in toward the helmet under the weight of a resting helmet. The device employs multiple attachment points and pockets to accommodate the related accessories and their related locations are such that they provide for the easy access to storage and removal based on frequency of use and order in which stored and removed.

A carrying case with a first enclosure ad at least one additional enclosure which includes a substantially rigid, and selectively removable protective compartment which must be oriented at a predetermined position for both insertion and selective removal. The selectively removable protective compartment may be adapted for isolated and secure storing of delicate or fragile items.

A piece of luggage has a body with a surface. A weight scale has a top surface and is disposed in the body of the luggage. The top surface of the weight scale is coplanar with the surface of the body of the luggage. The weight scale determines a weight of the piece of luggage when in an operating state. When the weight scale is in a non-operating state it is stored safely within the body of the luggage. Most importantly the weight scale does not stick out from the body of the luggage so as to be susceptible to damage during transport of the luggage.

A shaft connection structure connects a pair of rotating shafts by a fit between a pair of spline shafts, wherein the pair of rotating shafts are provided with corresponding ones of the pair of spline shafts. The shaft connection structure includes a shaft connection assist device. The shaft connection assist device includes a centering ring and centering pins. The centering ring is arranged outside of a first one of the spline shafts and coaxially with the first spline shaft. The centering pins are provided outside of a second one of the spline shafts. The centering pins engage with an outer peripheral surface of the centering ring and bring a shaft axis of the first spline shaft and a shaft axis of the second spline shaft into a range enabling the fit therebetween.

The rescue device for the passengers and crew of a ship includes: a container that contains survival equipment; a system that is intended for stowing said container relative to the deck of the ship and contains at least one strap and a system for multimodally attaching and releasing said container; an airbag-type inflatable balloon set up between a structure, secured to the deck, and said container, said structure defining a passage for the passengers when needed; and a means for releasing the airbag set up on the wheelhouse of said ship. The frame-shaped structure is formed of: two side posts; a lower cradle, on which said container rests; an upper crosspiece; and a plate set up inside the ship and acting as a counterbearing for the airbag when said container is ejected.

Disclosed is a drillship having a vortex suppression block with a recessed flow stabilizing part in a moon pool. The flow stabilizing section is formed so that a bottom of the vortex suppression block that protrudes from a bottom of a hull toward a stern in the moon pool is recessed in an upward direction of the hull to stabilize a flow in the moon pool and reduce a variation in resistance of the drillship. The flow stabilizing section (30) is formed by partly recessing the bottom of the vortex suppression block toward an upper portion of the hull. The drillship having this configuration provides resistance performance improvement and flow stabilization of the drillship.

A watercraft body includes a hull made of an aluminum-based material and a separately fabricated superstructure that is mounted on the hull via adjoining flange plates. To fabricate the hull, frame elements are spot-welded onto the inner surface of initially-flat hull plates or plank elements, which are then curved according to the required hull contour and assembled onto the flange plate. The frame elements are screwed together via gusset plates and transverse beams to form transverse frames, and then longitudinal seams between plank elements are continuously welded from the outside. Additionally, the longitudinal seams may be welded from the inside, for example by temporarily removing gusset plates to allow continuous access to the longitudinal seams. Additionally, stand-offs may form a spacing gap between the frame elements and the plank elements, and an adhesive may fill this spacing gap to adhesively bond the framework to the hull plating.

A rowing shoe retaining system includes a plate mountable to a sole of a shoe and a receiver mountable to a footboard of a rowing boat. The receiver removably retains the plate, thereby removably retaining the shoe.

The present disclosure relates to a grouting and welding combined connection joint and an offshore installation method thereof, characterized in that: it comprises a set of grouting systems disposed inside of the annular space formed by an inner shell of the central pore canal of a column with large cross section and an outer wall of a column with small cross section, as well as a group of brackets welded on a top deck of a column with small cross section and an inner shell of the central pore canal of the column with large cross section. The grouting and welding combined connection joint provided by the present disclosure has advantages of being able to adapt to the connection of different dimensions of columns, and having simple offshore installation, highly reliable structural safety and low cost.

A boat comprising a wake shaping system comprising starboard and port wake shaping devices located aft of the transom, each wake shaping plate device comprising a first mounting portion coupled to the transom and a second plate portion pivotably coupled to the first mounting portion. The second plate potion of each wake shaping device is operable to pivot approximately 90° between a first, non-deployed position behind the transom and a second, deployed position extending outside the side of the hull and below the transom. When the second portion of the starboard wake shaping device is in the deployed position, a port wakesurf wake is created. When the second portion of the port of the wake shaping device is in the deployed position, a starboard wakesurf wake is created. When neither wake shaping device is deployed, a symmetrical wakeboard wake is created.

The invention relates to a device for the flow-through treatment of web-shaped, gas-permeable material, in particular for drying woven or non-woven fabrics, having the following characteristics: a sieving drum (5), which is rotatably supported and which is connected to a vacuum generator and which has a permeable outer circumference, wherein the material web (M) to be treated rotates around part of the outer circumference of the sieving drum (5);a treatment chamber (BH), which accommodates the sieving drum and to which the gas to be treated, preferably heated air, is supplied;inside the treatment chamber (BH), a sieving cover (SD) or corresponding flow-conducting elements, which surround the sieving drum (5) in the area around which the material web (M) is wound and by means of which the gas flowing into the treatment chamber (BH) is conducted in the direction of the sieving drum surface. According to the invention, the wall (W) of the treatment chamber (BH) facing the outer circumference of the sieving drum (S) in the area around which the material web (M) is wound has a decreasing distance (a1, a2, a3) from the surface of the sieving drum (S) in said area.

An expandable and collapsible enclosure is provided for a garment refreshing appliance. The appliance has at least either a top or a bottom rigid housing structure. The enclosure comprises a wall structure extending substantially an entire height of the enclosure. The wall structure is made of a flexible material. An opening is provided in the wall structure through which garments can be introduced into or removed from the enclosure. A zipper is attached at the opening to selectively open and close the opening. A snap attachment mechanism is located at either or both of the top and a bottom of the wall structure for securing the wall structure to the top and/or bottom rigid housing structures.

A cutting member for a shaving razor includes an elongated blade portion that tapers to a cutting edge, an elongated base portion that is integral with the blade portion, and a bent portion, intermediate the blade portion and the base portion. In some implementations, at least part of the cutting member has a thickness of at least about 0.005 inch (0.127 millimeter).

Apparatus and associated method for sharpening a cutting edge of a tool. In accordance with some embodiments, a side of the tool is placed in contacting engagement against a reverse sharpening guide surface to orient the tool at an acute angle with respect to an abrasive surface, with the abrasive surface extending in a lateral direction from a first end to a second end and the reverse sharpening guide surface located proximate the first end. The tool is moved away from the reverse sharpening guide surface and along the abrasive surface in the lateral direction toward the second end while nominally maintaining the tool at the acute angle so that a cutting edge of the tool is sharpened against the abrasive surface in a trailing cutting edge orientation with a top surface of the tool opposite the cutting edge maintained closer to the second end than the cutting edge.

Earth-boring tools include a body, one or more blades projecting outwardly from the body, and cutting elements carried by the blade. The cutting elements include at least one shearing cutting element and at least one gouging cutting element. Methods of forming an earth-boring tool include mounting a shearing cutting element comprising an at least substantially planar cutting face to a body of an earth-boring tool, and mounting a gouging cutting element comprising a non-planar cutting face to the body of the earth-boring tool. The gouging cutting element may be positioned on the body of the earth-boring tool such that the gouging cutting element will gouge formation material within a kerf cut in the formation material by the shearing cutting element, or between kerfs cut in the formation material by a plurality of shearing cutting elements.

A self sharpening razor system includes a razor having a handle and a safety housing with a blade extendably received within the safety housing. An integrated sharpening system incorporates an armature receiving the razor and movable between a first position for attachment and extraction of the razor and a second position for sharpening of the blade. A sharpening mandrel is provided with sharpening surfaces for sharpening first and second sides of the blade. The sharpening mandrel is rotatable from to engage the first sharpening surface and second sharpening surface. The sharpening mandrel is laterally oscillated for sharpening of the blade. In alternative embodiments, sharpening is accomplished with reciprocating honing plates with available stropping wheels or integrated honing and stropping wheels with exposure adjustability and sharpness adjustability via honing time variance. A controller is provided for positioning of the armature and sharpening mandrel.

A shaving system includes a razor having a handle and a safety housing with a blade extendably received within the safety housing. An integrated sharpening system incorporates an armature receiving the razor, the armature being movable from a first position for attachment and extraction of the razor and a second position for sharpening of the blade. A sharpening mandrel is provided with a first sharpening surface for sharpening a first side of the blade and a second surface for sharpening of a second side of the blade. The sharpening mandrel is rotatable from a first position for engagement of the first sharpening surface to a second position for engagement of the second sharpening surface. The sharpening mandrel is laterally oscillated for sharpening of the blade. A controller is provided for positioning of the armature and sharpening mandrel.

In one aspect, the invention is directed to a sharpener for sharpening a corner edge of a snow travel member, which may be, for example, a ski or a snowboard. The corner edge is between a bottom face and a side face of the snow travel member. The sharpener includes an angle adjustment mechanism to adjust the angle between surfaces on the sharpener that support the bottom face and side face of the snow travel member, in order to accommodate different snow travel members, that may have different angles between their bottom face and their side face. For example, the angle adjustment member may be capable of adjusting the angle between a bottom face orienting surface on the sharpener and a side face orienting surface on the sharpener between a range of angles. The range of angles may be, for example, a range from 85 degrees and 90 degrees.

The present invention is a sharpening tool and sharpening system for sharpening snowmobile carbide wear rails and studs and a kit of parts that includes the sharpening tool and a steering member having a carbide wear rail. The sharpening tool is attachable to the chuck of a hand held drill and includes a shaft attachable to the chuck of the hand held drill and cylindrical head affixed to the shaft. The cylindrical head includes a rail groove surfaced in an abrasive material for sharpening wear rails.

A skate squaring device includes a main frame having a slot to receive a skate blade. The main frame is designed to attach to a portion of a skate sharpening fixture such that calibration lines on the main frame are perpendicular to a centerline axis of a body of the skate blade when mounted in the holder. A magnetic angle is attached to the end of the skate blade and positioned adjacent a face of the main frame having the calibration lines to determine if the skate blade edge is square.

Embodiments provide various components of a chain saw, including saw chain elements, sprockets, and other fixtures, that may facilitate sharpening of cutter links during operation. In various embodiments, the components may increase stability during sharpening, provide nose mounted sharpening fixtures, and/or facilitate the resizing and/or reshaping of a sharpening element.

The kitchen knife with the sharpener includes: a cutout recess formed in an end of the handle; a locking space extending from the cutout recess; and a sharpener, including: a locking part removably received in the locking space; a sharpener body extending from the locking part; a whetting groove transversely formed in the sharpener body; plate-shaped whetstones inclinedly installed on opposing sidewalls of the whetting groove so that the whetstones form a V-shaped arrangement; and a rubber cushion placed below a rear surface of a whetstone.

An adjustable manual abrasive sharpener having a pair of sharpening slots formed in a frame with opposing abrasive arms being pivotally mounted in each of the sharpening slots. A rod is mounted on the frame for rotatable motion and for linear motion long its axis of rotation from a position at which the rod is locked against rotation to a depressed position whereby the rod may be rotated. The bottom end portion of the rod includes a pinion gear which engages a pair of gear racks which are mounted for movement laterally relative to the axis of rotation of the rod. The pair of gear racks respectively engage slots formed on the bottom of the abrasive arms in each sharpening slot. Rotation of the rod causes movement of the gear racks to adjust each pair of abrasive arms with respect to each other to vary the sharpening angle of the abrasive elements.

A chain sharpening device arranged to sharpen a saw chain. The device comprises a housing (110), arranged to be detachably mounted on the guide bar (3), a sharpening element (140) selectively displaceable relative to the housing between a resting state and a sharpening state, an actuator (150), selectively displaceable between an inactivated state and an activated state, which actuator is connected to the sharpening element and arranged to selectively bring the sharpening element from the resting state to the sharpening state, a first biasing member (160) operatively connected to the actuator and arranged to bias the actuator towards its inactivated state, a second biasing member (170), operatively connected to the sharpening element and arranged to enable relative movement between the actuator and the sharpening element when the sharpening element is in the sharpening state, so as to delimit a force with which the sharpening element (140) can be pressed towards the saw chain.

A method of manufacturing a roller cone drill bit may include forming a body of a single piece having an upper end and a lower end; machining at the lower end of the body at least two journals extending downward and radially outward from a central axis of the body; machining at least one of a ball passage, a hydraulic fluid passageway, a grease reservoir, and a lubricant passageway; and mounting roller cones on the at least two journals.

Earth-boring drill bits include a bit body, an element having an attachment feature bonded to the bit body, and a shank assembly. Methods for assembling an earth-boring rotary drill bit include bonding a threaded element to the bit body of a drill bit and engaging the shank assembly to the threaded element. A nozzle assembly for an earth-boring rotary drill bit may include a cylindrical sleeve having a threaded surface and a threaded nozzle disposed at least partially in the cylindrical sleeve and engaged therewith. Methods of forming an earth-boring drill bit include providing a nozzle assembly including a tubular sleeve and nozzle at least partially within a nozzle port of a bit body.

A portion of the sharpener handle is recessed to receive the curved blade of a lopper. The cutaway allows the sharpening element to sharpen the lopper blade along its entire length. Additional sharpening elements can be positioned along the handle to provide a multipurpose sharpening tool.

A blank may include a tang section, a base section, and an angled section with a recess. The tang section may have an outer surface with an outer diameter. The base section may have an outer surface with a diameter greater than the outer diameter of the tang section. The angled section may lie between the tang section and the base section and may have an outer surface that transitions in diameter from the outer diameter of the tang section to the outer diameter of the base section. The recess in the angled section may be shaped to engage a tip of a former.

A blade sharpening system using the interior surface of a grinding wheel against which a blade is drawn along its entire length for sharpening. The sharpening system includes a blade holding configuration having multiple hinged arms. A cam operating between two of the hinged arms serves to alter the angle of incidence between the blade and the grinding wheel as the blade is drawn across the grinding wheel. The result is that a wide variety of different blade configurations can be easily accommodated by the sharpening system.

A multi-rod hand-held sharpener includes a handle with an outer grip surface for a hand of a user, a first abrasive rod having a first outer abrasive surface with a first abrasiveness level, and a second abrasive rod having a second outer abrasive surface with a second abrasiveness level different from the first abrasiveness level. At least one guide surface extends toward the first sharpening surface at a selected guide angle non-orthogonal to the first sharpening surface. The user contactingly engages a side of the tool against the guide surface and a cutting edge of the tool against the first abrasive surface, and then advances the side of the tool away from the guide surface and the cutting edge against the first abrasive surface while maintaining the tool at the selected guide angle. An optional second guide adjacent the second abrasive surface at a different angle facilitates micro-beveling.

The invention provides an exercise device for a rotator cuff of a shoulder of a user comprising a container housing, wherein the container housing comprises a first container shell, wherein the first container shell comprises a first container shell exterior surface and a first container shell interior surface surrounding a first container shell void, wherein the first container shell interior surface forms a substantially spherical surface; a second container shell, wherein the second container shell comprises a second container shell exterior surface and a second container shell interior surface, wherein the second container shell interior surface surrounds the first container shell exterior surface whereby the first container shell is nested inside the second container shell; and a spherical ball positioned within the first container shell void; wherein when the exercise device is in use, movement and rotation of an arm of a user causes movement and rotation of the container housing and movement and rotation of the ball within the container housing in a direction that follows a circumference of the first container shell interior surface, thereby exercising the rotator cuff of the shoulder of the user.

A push-up device and method of use has been disclosed that employs the use of a spherical member that makes contact with the ground surface and supports the weight of a user when the user grasps the handle members of the push-up device and/or rests thereon. The user may balance his or her body on the push-up device while exercising. The push-up device is operable to permit the push-up device to move or translate in various directions or angles when the user is resting thereon by rotating the spherical member omni-directionally. As such, not only may a user stimulate chest and/or other upper-body muscles, but the user may also stimulate abdominals or other lower-body muscles, permitting the user to stimulate a more variety of his or her muscles through balancing himself or herself on the push-up device through the curved surface of the spherical member.

The invention relates to the field of explosives, and more particularly relates to particles of an explosive, wherein they are in crystalline form, have a rounded shape and a majority of them contain no internal defect. Particles of an explosive in crystalline form include a volume fraction of closed pores of less than or equal to 0.05%. A method for preparing explosive particles includes preparing crystalline particles, a majority of which are without an internal defect; and rounding the crystalline particles.

A device for treating fabrics comprising a cabinet, said cabinet comprising: a shell having an interior surface, said shell forming an opening; the device further comprising: at least a first and a second spray head positioned upon said interior surface of said shell, the first spray head comprising a multitude of spray nozzles and the second spray head comprising at least one spray nozzle, wherein in at least one first direction the first spray head produces a spray pattern comprising a sequence of a first spray-on area, a first spray free area, and a second spray-on area and in said first direction the second spray head produces a spray pattern comprising at least a third spray-on area and wherein the third spray-on area covers at least a portion of the first spray free area.

A conveying apparatus includes a first roller that is rotational to convey a nonwoven fabric and a second roller that is rotational to convey the nonwoven fabric and is located on the trailing side of the first roller with respect to the conveying direction of the nonwoven fabric. The conveying apparatus includes a noncontact sensor and a controller. The noncontact sensor detects the distance from the nonwoven fabric at a position between the first roller and the second roller. The controller uses the distance detected by the sensor to compute the slack amount of the nonwoven fabric and controls the rotation speed of the second roller, thereby reducing the difference between the computed slack amount and a predetermined target value.

The present invention relates to a laundry refresher unit that can selectively supply various types of dry air as well as steam to laundry, and a laundry treating apparatus having the laundry refresher unit. A laundry refresher unit includes a cabinet that defines an exterior thereof, wherein an air path is formed in the cabinet; a steam generator provided in the cabinet to selectively supply steam outside the cabinet through a steam outlet; and a heated air supply device provided in the cabinet to heat air drawn through an air inlet, such that the air having at least three temperature ranges is supplied outside the cabinet through the air outlet. A laundry treating apparatus includes a laundry refresher unit that includes a cabinet, a steam generator and a heated air supply device.

An inclined roller conveying assembly (40) includes a horizontally inclined roller (74) having opposite ends respectively supported by first and second supports (64, 66), with one support (64) having an idler bearing (80) and with the other support (66) having a drive coupling (94) that provides rotation of the inclined roller from a horizontal support and drive axis to provide support for the lower surface of an upper portion Gu of a hot upwardly concave formed glass sheet G being conveyed.

A conveyor for a sheet glass tempering furnace, comprising a roller conveyor and an inclined airborne conveyor, as well as support and transport rollers at a lower edge of the airborne conveyor. The roller conveyor includes a horizontal level conveyor and an adapter conveyor between the horizontal level conveyor and the airborne conveyor. The adapter conveyor features a horizontal level upstream end and an inclined downstream end, the inclination angle of which matches substantially that of the airborne conveyor. The adapter conveyor has its rollers increase in inclination step by step when proceeding from the up-stream end towards the downstream end.

A roller track comprising a base, a tray, and a plurality of rollers. The tray is configured to slide into the base, and comprises a first end, a center portion comprising a plurality of notches, and a second end. The first end and the second end comprise a plurality of slots. The plurality of rollers is configured to engage the plurality of notches.

Rolling mill bearings incorporate bearing bushings with pluralities of hydrostatic pad recesses, that are preferably in conjunction hydrodynamic bearings also formed within the bushing. Each recess has an isolated lubricant passage that is adapted for coupling to a separate isolated source of pressurized lubricant. In some embodiments herein, the isolated pressurized lubricant source is supplied by a dedicated outlet of a pressure pump. In this manner each hydrostatic pad recess has a dedicated pressurized lubricant supply that is not interrupted by loss of lubricant pressure events in other bearing pads or elsewhere within the rolling mill lubrication system.

A method for forming a piece of a sheet metal is performed by positioning a consumable body, made of metal, proximate to the piece of the sheet metal. The consumable body is rapidly vaporized, and the gas pressure generated thereby is directed into the piece of the sheet metal. This results in acceleration of the piece of sheet metal, and it is collided into a stationary body at a velocity, generally in excess of 200 m/s. Depending upon the type of stationary body, the piece of sheet metal is deformed into a predetermined shape or is welded onto the stationary body. The vaporization is accomplished by passing a high current of electricity into the consumable body. The effect of the vaporized metal may be augmented by additional components in the consumable body.

The present invention is a shrinker stretcher machine that uses four distinct and separate tool cartridges to perform both shrinking and stretching operations by simply removing, rotating each tool cartridge 180 degrees, and reattaching it in its designated position. Each tool cartridge removably carries a jaw that can be removed and securely replaced with either a shrinker or stretcher jaw to accommodate the operation being performed. Each tool cartridges and jaw is firmly held in place by magnets and interlocking keyed surfaces to properly align and hold the tool cartridges and jaws.

A pressing and stripping apparatus for punch die includes a base, a pressing and striping plate, an A-type pillar, a first bolt, an elastic or pressure element, a stripping bolt, a second bolt, a die-mounting bolt, a B-type pillar, a locating pin, a cylindrical guide column, a third bolt, an outer supporting frame, and a square guide column; wherein the pressing and stripping plate is movably connected to the base via the stripping bolt, wherein the pressing and stripping plate reciprocates along the axial direction of the stripping bolt while working, and the elastic or pressure element is provided between the pressing and stripping plate and the base. The push rod used with the pressing and stripping apparatus for the punch die is a column, one end thereof is a polygonal blind hole, and the other end thereof is a stepped shaft with parallel threads. This arrangement can achieve a common pressing and stripping apparatus, making the punch die easy to be disassembled.

In order to provide a steel sheet for hot pressing from which a hot-pressed part excellent in perforation corrosion resistance is obtainable and a method of manufacturing a hot-pressed part using the steel sheet for hot pressing, provided is a steel sheet for hot pressing having, sequentially on a surface of a base steel sheet: a plating layer I containing 60% by mass or more of Ni and the remainder consisting of Zn and inevitable impurities, a coating mass thereof being 0.01 to 5 g/m2; and a plating layer II containing 10 to 25% by mass of Ni and the remainder consisting of Zn and inevitable impurities, a coating mass thereof being 10 to 90 g/m2.

An apparatus for shot peening blade mounting areas on a disc of a rotor includes a peening nozzle unit which streams shot peening media along a longitudinal axis. The unit includes a nozzle outlet which extends at least partially in a circumferential direction of the unit, and a deflection arrangement with a deflection area for the media. The deflection area is at least partially cone or half-hyperboloid shaped, such that the media passes the nozzle outlet over an angle range in circumferential direction after being deflected by the deflection arrangement. A method for shot peening the blade mounting areas positions the unit in a slot profile of a blade mounting area, and guides the unit along the contour of the slot profile with the nozzle outlet facing the contour of the slot profile to approximately uniformly peen the contour of the slot profile.