A cutting head of a waterjet cutting system is provided having an environment control device and a measurement device. The environment control device is positioned to act on a surface of a workpiece at least during a measurement operation to establish a measurement area on the surface of the workpiece substantially unobstructed by fluid. The measurement device is positioned to selectively obtain information from within the measurement area indicative of a position of the cutting head relative to the workpiece. A control system is further provided and operable to position the cutting head relative to the workpiece at a standoff distance based at least in part on the information indicative of the position of the cutting head relative to the workpiece obtained by the measurement device. A method of operating a waterjet cutting system is also provided.

Rotary cutting apparatus has a frame, a first rotary device and a second rotary device. Each of the first and second rotary devices has a shaft concentrically arranged about a rotational axis and a drum and are arranged in the frame in such a way that said first and second axes are substantially horizontal and substantially in the same vertical plane. A pair of bearing housings is arranged on either side of each of the drums. A first pair of bearing housings is movable relative to the frame in a transverse direction to the first rotational axis by means of a force means. Means is provided for passive vibration attenuation of at least the first shaft that includes a mass damper having a housing and a damping body movably arranged inside the housing, wherein the mass damper is associated with the first pair of bearing housings.

The invention relates to a portable, handheld work apparatus such as a trimmer, a cut-off machine, a chain saw or the like, having a motor (5, 33) to drive a rotating, exchangeable work tool (13). A control unit (15) serves to control the operation of the motor (5, 33). The control unit (15) determines the rotational speed (n) and/or the power (P) of the motor (5, 33). According to the invention, the motor (5, 33) can be operated in a first operating mode (I) with reduced rotational speed (n0) and/or power (P0) and in at least a second operating mode (II) with an increased rotational speed (n1) and/or power (P1). In dependence on a release signal, the control uses exclusively the first operating mode (I) for a limited operation and the second operating mode (II) for an expanded operation.

A tool is provided for moving a first clamping or gripping member toward or away from a second facing clamping or gripping member, the tool having a double threaded drive shaft coupled to opposed threaded linkage driving members for causing the threaded linkage driving members to be driven toward or away from each other. As the threaded linkage driving members move closer, the resulting angle of the links becomes steeper, thus increasing the mechanical advantage of the clamping tool, enhancing clamping forces. A beneficial result is a clamping apparatus that requires less manual energy than a traditional clamp. Another beneficial result is provided if the same amount of energy is applied to the driveshaft as in a traditional clamp, the resulting clamping force is significantly higher. If the second clamping member is adjustable, it accommodates wide variations in thickness of an object positioned between the first and second clamping members.

A sheet post-processing apparatus which is capable of shortening time wasted until actual start of punching and enhancing productivity. A drive unit causes a moving member which has a cam and reciprocates. A punching member is driven by a movement of the cam of the moving member and punches a sheet when the moving member moves forth and moves back. A determination unit determines a type of the sheet. A control unit controls, when a sheet to be punched is to be subjected to a punching process, the drive unit such that the moving member starts moving before conveyance of the sheet to be punched stops, and controls, when the sheet to be punched is to be subjected to the punching process, the drive unit such that timing with which the moving member starts moving is changed based on the determination by the determination unit.

The present disclosure is generally directed to a dispersible moist wipe comprising hydroentangled fibers and a binder composition. The moist wipe demonstrates high initial wet strength while maintaining effective dispersion in an aqueous environment. The moist wipe has potential application as a flushable surface cleaning product and/or a flushable cleansing cloth.

A press felt includes: a base fabric comprising a plurality of repeat units, each of the repeat units comprising a plurality of exterior machine direction (MD) yarns, each of which includes an upper run and a lower run merging with seam loops at each end, a plurality of middle MD yarns positioned between the upper and lower runs of the exterior MD yarns, a plurality of cross machine direction (CMD) yarns interwoven with the exterior MD yarns and the middle MD yarns in a predetermined regular weave pattern, the seam loops defining the longitudinal ends of the press felt; and a batt layer overlying the base fabric.

A method of making a belt-creped absorbent cellulosic sheet. A papermaking furnish is compactively dewatered to form a dewatered web having an apparently random distribution of papermaking fiber orientation. The dewatered web is applied to a translating transfer surface moving at a transfer surface speed. The web is belt-creped from the transfer surface utilizing a generally planar polymeric creping belt provided with a plurality of perforations through the belt, the belt-creping step occurring under pressure in a belt creping nip defined between the transfer surface and the creping belt. The belt travels at a belt speed that is slower than the transfer surface speed, and the web is creped from the transfer surface and redistributed on the creping belt to form a web. The web includes hollow domed regions, connecting regions, and transition areas. The web is dried to produce the belt-creped absorbent cellulosic sheet.

A pneumatic tire for improving steering stability performance on dry and wet road surfaces. The tire tread pattern has circumferential center main grooves, outside and inside main grooves, land sections demarcated by the main grooves, ground contact borders on both sides of the tire, and closed shoulder lug grooves. A ratio Wmax/Wout of a maximum main groove width Wmax and an outside main groove width Wout is at between 1.5 and 2.5 inclusive. A ratio Sin/Sout of a groove area ratio Sin of a region on a tire-widthwise second side of a tire centerline and a groove area ratio Sout of a region on a first side of the tire centerline is at least 1.10 and smaller than 1.25. A groove area ratio of a region on the second side of a tire-widthwise centerline of the intermediate land sections exceeds that of a region on the first side.

It is a problem to provide a pneumatic tire where disengagement between sipe wall surfaces is suppressed. In a sipe formed in a block of a tread portion, two ridge portions (32) and (34) are formed in one sipe wall surface (29P), and two valley portions that engage with the ridge portions (32) and (34) are formed in another sipe wall surface. The two ridge portions (32) and (34) form a merged portion (30) where they merge together in the center of a sipe lengthwise direction and at their tire radial direction outside ends, and the two ridge portions (32) and (34) extend linearly from the merged portion (30) toward both sipe-lengthwise-direction end sides (F) and (K) so as to gradually move apart inward in the tire radial direction. Because of this configuration, the contact length of the adjacent sipe wall surfaces in a sipe depth direction (R) becomes longer.

A pneumatic radial tire in which a plurality of land portion rows 2 are formed by a plurality of main grooves that extend in the circumferential direction on a tread portion of a tire, and a thin groove 3 that extends in the tire circumferential direction is formed in at least one shoulder land portion row 2A that is positioned on the tread end among the plurality of land portion rows. A land portion 5 that is positioned between, the thin groove 3 and the tread end 4 is partitioned into a plurality of blocks 5a by a lug groove 6 that extends in the tire width direction and whose maximum groove depth is set deeper than the groove depth of the thin groove, and the groove depth of the lug groove continuously changes so as to become a maximum at an intermediate position between the thin groove and the tread end. According to the present invention, it is possible to provide a pneumatic radial tire that can achieve improved drainage performance.

Bicycle tires with at least one reinforcement layer that contains strength supports and that is arranged between carcass and tread rubber and/or between carcass layers below the tread rubber and/or within the tread rubber. For a high resistance to puncturing with low weight, the reinforcement layer contains multifilament threads of more than 30 polyester/polyarylate filaments, and the filaments are spun from molten liquid-crystal polymer.

A tire having a tread includes an outer tread layer and an inner tread layer. The inner tread layer includes one of a first elastomeric compound and a second elastomeric compound. The outer tread layer includes the other of the first and second elastomeric compounds. The second elastomeric compound has a lower rolling resistance and greater resistance to treadwear than the first elastomeric compound. The inner tread layer increases in thickness across at least a widthwise portion of the outer tread layer with a maximum thickness of one of the inner tread layer and the outer tread layer occurring near at least one of a first shoulder and a second shoulder of the tread. As the tread wears, the inner tread layer defines a greater proportion of a running surface of the tread.

Provided is a pneumatic tire whose braking performance on ice and partial-wear resistance can be improved. Sipes 11X provided in a rib 5 on a tire equatorial plane TE are formed in such a three-dimensional shape that the amount at which the rib 5 collapses due to an external force is smaller in the tire rotational direction than in a direction opposite to the tire rotational direction. In each block 10 in each shoulder region 1S, sipes 11Ma in a block tread-in side portion 10A are each formed in such a three-dimensional shape that the amount at which the block 10, if entirely provided with the sipes 11Ma, collapses due to an external force will be smaller in the tire rotational direction than in the direction opposite to the tire rotational direction. Sipes 11Mb in a block kick-out side portion 10B are each formed in such a three-dimensional shape that the amount at which the block 10, if entirely provided with the sipes 11Mb, collapses due to an external force will be smaller in the direction opposite to the tire rotational direction than in the tire rotational direction.

The present invention relates to a tire tread comprising a plurality of circumferential grooves separating circumferential ribs, each groove comprising a bottom and two sidewalls, and a plurality of laterally separated reinforcements, wherein one reinforcement is arranged adjacent each circumferential groove, and wherein each reinforcement extends from the radially inner surface of the tread in a radial direction at least to the bottom of an adjacent circumferential groove to form the bottom of that groove. Further, the invention relates to a tire comprising a tread in accordance with the present invention.

A pneumatic tire comprises an annular tread portion including a plurality of circumferentially extending main grooves comprising an innermost groove, an outermost groove, and at least one middle groove arranged between the innermost groove and the outermost groove. The outermost groove comprises an inner sidewall, an outer sidewall, a groove bottom, and a groove opening opposite to the groove bottom, wherein the outermost groove has an asymmetric cross section with respect to any straight line perpendicular to the groove opening, and wherein the outer sidewall of the outermost groove is tilted by more than 20° with respect to a straight line perpendicular to the groove opening.

In various embodiments, a spectral graph partitioner (“SP”) of a graph partitioning system (“GPS”) may partition a data flow graph associated with a program into a plurality of subgraphs to be used to perform analysis or debugging. The SP may generate estimated eigenvectors for a matrix representing the graph through minimization of a function on the vectors. The SP may generate multiple eigenvectors to perform the clustering in a multi-dimensional space described by the eigenvectors. The SP may refine the clustering by repeating generation of eigenvectors to describe higher-dimensional spaces and perform further clustering. The SP may also determine quality metrics for the clusters and may stop refinement based on the quality metrics. The GPS may select between utilizing the SP or utilizing one or more other partitioners based on various factors such as, for example, graph size or quality metrics. Other embodiments may be described and/or claimed.

A system for a distributed repository includes an input interface and a processor. The input interface is to receive a request to change a portion of code. The processor is to determine a change reference and an existing reference, indicate to lock one or more repositories, determine whether swapping references is approved by a vote, and in the event that swapping references is approved by a vote, swap the references and indicate to unlock the one or more repositories.

A method includes identifying an image associated with a user, where the image is identified as at least one of captured by a user device associated with the user, stored on the user device associated with the user, and stored in cloud storage associated with the user. The method also includes determining one or more labels for the image, where the one or more labels are based on at least one of metadata, a primary annotation, and a secondary annotation and the secondary annotation is generated by performing label expansion on at least one of the metadata and the primary annotation. The method also includes generating a mapping of the one or more labels to one or more confidence scores, wherein the one or more confidence scores indicate an extent to which the one or more labels apply to the image.

A door (200) of a motor vehicle has an outer panel (100) and an opening apparatus. The opening apparatus has a door handle (30) and a door lock (20) with a lock barrel (10). The lock barrel (10) and the door handle (30) are arranged completely on the inner side of the outer panel (100) of the door (200).

A combination locking arrangement includes a locking member, at least first and second tumbler discs, a dial, and a code change mechanism. When each of the tumbler discs is rotated to an unlocking orientation, the locking member is movable from a locking position to a releasing position. The dial is rotatable about a tumbler disc axis for selective rotation of the at least first and second tumbler discs. The dial includes a clutch rotationally securable in interlocking engagement with the first tumbler disc. The code change mechanism is rotatable to a code change position to separate the clutch from the first tumbler disc, such that the dial is subsequently rotatable to rotate the clutch with respect to the first tumbler disc.

The invention provides an apparatus to retractably store multiple keys. The apparatus is designed to permit a user to install up to eight (8) custom keys in a compact “key wallet.” Individual keys are pivotally deployed by pressing a designated button on the apparatus and are returned to a stowed position by rotating the key back into the apparatus until it locks into position. The apparatus uses a spring-loaded key release mechanism to release and retract the keys.

A switchbox for monitoring the position of a manual quarter-turn valve has a housing mountable to the valve to be monitored/controlled. A handle-driven shaft extends through the housing, with one end of the shaft couplable to the valve stem such that movement of the shaft moves the valve stem. One or more shaft position sensor switches interact with a cam on the shaft to signal shaft position and/or provide control signals. A plate coupled to the shaft articulates within a recess on the surface of the switchbox to limit motion of the valve to an operable range, such as between full ON and full OFF. The switchbox has a pair of lock tabs with lock apertures. A lock aperture in the plate is alignable with the lock tab apertures to receive a pin or padlock for locking the valve in a selected position. A potentiometer can be utilized in place of a switch as a shaft position sensor. The switchbox may be used with an original or new handle and may feature detents to allow a range of valve settings.

A switchbox for monitoring the position of a manual quarter-turn valve has a housing mountable to the valve to be monitored/controlled. A handle-driven shaft extends through the housing, with one end of the shaft couplable to the valve stem such that movement of the shaft moves the valve stem. One or more shaft position sensor switches interact with a cam on the shaft to signal shaft position and/or provide control signals. A plate coupled to the shaft articulates within a recess on the surface of the switchbox to limit motion of the valve to an operable range, such as between full ON and full OFF. The switchbox has a pair of lock tabs with lock apertures. A lock aperture in the plate is alignable with the lock tab apertures to receive a pin or padlock for locking the valve in a selected position. A potentiometer can be utilized in place of a switch as a shaft position sensor. The switchbox may be used with an original or new handle and may feature detents to allow a range of valve settings.

An electronic lock with power failure control circuit includes a lock mechanism having a latchbolt movable between extended and a retracted positions and an electrically powered lock actuator to lock and unlock the latchbolt. The power failure control circuit includes a microcontroller and the lock is connected to a primary power source and an auxiliary power source, preferably supercapacitors and charger that can be turned on by the microcontroller and off when the charger signals a full charge. A power monitor circuit detects low voltage on the primary power supply and sets a power failure interrupt causing the microcontroller to execute power failure instructions that control the actuator so that the lock is placed into a desired locked or unlocked final state during the power failure. upon detection of the return of good power, the system resets the lock.

A safety lockout hasp for interaction with equipment, infrastructure, machinery, appliances, tools, implements and the like. The hasp comprising a body, a cable for engaging the plant and a movable member being movable relative to the body between an open condition and a closed condition. The movable member interacting with the cable such that in the closed condition an intermediate portion of the cable is secured in its position relative to the body. The movable member also interacts with the body such that in use in the closed condition the hasp can accommodate a plurality of locking elements so that the hasp is prevented from disengagement from the plant when accommodating at least one of the plurality of locking elements, and when the movable member is in the open condition the hasp is prevented from accommodating any of the locking elements.

A system for securing an access opening of a cable raceway using a single padlock includes a cover having a securing wall and opposed first and second sidewalls, which form a channel for accommodating at least a portion of the cable raceway with the securing wall covering the access opening. First and second insert bars engage the first and second sidewalls and a lock bar engages the first and second insert bars and may be locked in an engaged position to prevent the first and second insert bars from being disengaged with the cover and to secure the cover about the cable raceway preventing access to the access opening.

Disclosed is an improved pipe cutting tool based upon a ratchet closure action wherein handles are pivotedly attached to allow successive movement of a cutting blade in response to the squeezing of the handles. The handles are also hingedly coupled to the cutting member to maintain the cutting member in a position perpendicular to the tubular item to be cut while allowing the operator to squeeze the handles at offset angles, up to and including a right angle cut. The hinged handles allow for offset operation without forgoing the ease of operation by the consumer or causing a large reduction in the mechanical advantage. A ratchet allows sequential advancement of a cutting member toward a tubular shaped jaw that holds the item to be cut.

A box cutter includes a housing with a blade slide slidably received therein. A pivotal member is pivotably connected to of the blade slide. An inclined face is defined in one of surfaces of the pivotal member and is gradually raised. The inclined face is connected to a pressing area which has two respective rounded guide portions. A spring is connected between the pivotal member and the housing to maintain the blade slide at the initial position. A button is slidably connected to outside of the cover and a spring is connected between the button and the cover. The button is moved to move the blade slide from the initial position thereof to an extended position. When the blade is cutting a workpiece, the blade is tilt and the pivotal member is pivoted by the cover so that blade slide is retracted into the housing.

A handheld cable cutter is provided with two handles, a stationary cutting blade, and a rotatable cutting blade pivotally connected to the stationary cutting blade. One of the handles is movable such that movement of the movable handle toward and away from the other, stationary handle drives the rotatable cutting blade toward the stationary cutting blade. The stationary handle includes an enlarged, integral stabilizing base which rests upon a support surface when the movable handle is actuated to cut a cable.

A pair of garden scissors with an adjustable cutting angle is provided with first and second scissor members. A positioning protrusion of the first scissor member cooperates with a positioning end of the angle-restricting member of the second scissor member to restrict the maximum cutting angle of the first scissor member, and an adjust member is able to adjust the cutting angle by adjusting the position of the angle-restricting member, so that the cutting angle can be freely adjusted within the movement range of the angle-restricting member.

A hand cutter with a retractable blade guard providing an unimpaired view of the blade, when it is placed on the object. The blade guard is unlocked and retracted by a trigger mechanism, which is activated by closing the hand around the cutter handle. The blade guard remains in the retracted position until the trigger is released or a relocking mechanism is activated by putting the blade to use by cutting the object.

A system for locking a blade of a knife with a folding blade in an unfolded position includes a handle-forming part for a user to grasp, and a blade pivotably mounted relative to this handle-forming part. The blade pivots to adopt either an unfolded position for use, or a foldaway position for storage, wherein it is partially concealed in the handle-forming part. A first locking element on a top of the knife, cooperates with the blade and adopts a first position of locking the blade in the unfolded position and a second release position of the blade A second locking element cooperating with the first locking element, adopts a first position of locking the first locking element in the first locking position of the blade, and a second release position wherein the second locking element forces the first locking element to adopt the second release position of the blade.

A razor cartridge has a housing, a guard located at a front of the housing and a cap located at a rear of the housing. A skin contact element is disposed in the housing partway between the guard and the cap. A skin contact plane defines a plane tangential to the guard and the skin contact element and a plane tangential to the skin contact element and the cap. One or more blades are located between the guard and the skin contact element, each of the blades having a cutting edge located at a distance y1 between 70 μm and 300 μm and at an angle α1 between 20° and 45° below the skin contact plane. One or more blades are located between the skin contact element and the cap, each of the blades having a cutting edge located at an angle α2 above or below the skin contact plane, wherein α2 is lower in magnitude than α1.

A hand-operated cutting tool includes first and second cutting members pivotally connected at a first pivot point, a lever having a longitudinal axis and pivotally connected to the first cutting member at a second pivot point, and a translatable curvilinear pivot connection between the lever and the second cutting member.

A razor comprises a first component comprising a first indicia on a surface of the first component. The razor also comprises a second component configured to rotate relative to the first component about a first axis of rotation, the second component comprising at least one blade and a second indicia on a surface of the second component, the second component configured to rotate relative to the first component about a second axis of rotation, wherein the second axis of rotation and the first axis of rotation are non-coplanar. The second component is in a preloaded neutral position when at rest such that rotation about the second axis of rotation generates a return torque and wherein the first indicia and the second indicia are in alignment at rest and out of alignment when the second component has been rotated about the first axis of rotation.

A hair clipper has a base structural housing with a blade set operably secured thereto. The blade set has a stationary blade and a reciprocating blade. The base has at least one support for a rotary motor. A flexible motor vibration and noise damper fits over half of the motor, and a motor cover is secured to the base structural housing over the vibration damper. A secondary housing cover is secured to the base structural housing over the motor cover.

A safety scalpel that incorporates a reusable metal scalpel handle (500) similar in shape and feel to the conventional metal handle preferred by most surgeons, and a disposable blade cartridge (300) that covers the blade (100) before, during and after use, and is easily mounted and released from the scalpel handle. The blade cartridge includes a blade (100) with similar cutting profiles as standard surgical blades, a blade holder that is permanently fixed to the blade, and a blade guard (300) that covers the blade and within which the blade holder (200) is able to slide. The scalpel handle is reusable, while the blade cartridge is disposable. The blade cartridge is attachable and detachable from the scalpel handle and may include a mechanical brake (1301) to prevent movement of the blade except when the reusable handle is in place. A safety latch feature (2230) is provided.

A gear unit at least partially filled with oil, wherein a device is provided in the gear unit for lowering the oil level, especially of the oil pan of the gear unit, during operation, the device including at least one temporary storage.

The disclosed embodiments include self-lubricating oil feed systems that may include an integral bearing. The oil feed systems may include gear pumps suitable to minimize the axial profile of the oil feed systems. Additionally, the oil feed systems may be directly coupled to turbomachinery having a gear, and provide for mechanical support and lubrication of certain components of the turbomachinery. In certain embodiments, the oil feed systems enables the transfer of a lubrication fluid to the bearing during operations of the turbomachinery.

A high-pressure homogenizer including: a fixed body (7) housing a rotating crankshaft (10);a motor (3) for driving the crankshaft (10);a reduction gear unit (4) interconnected between the crankshaft and transmission elements (5, 6), characterized in that the reduction gear unit (4) is an epicyclic reduction gear unit. Preferably there is provided a lubricant feed line (15) which passes through the fixed body and reaches the epicyclic reduction gear unit (4). Preferably the epicyclic reduction gear unit (4) is constructed integrally with the fixed body (4).

A case comprises a radially inner case hub, a radially outer case section with an outer wall, a plurality of circumferentially distributed struts extending radially between the inner hub and the outer case section, and a lubricant scavenge passage disposed circumferentially apart from a bottom dead center (BDC) position of the case. The lubricant scavenge passage includes an inner scavenge section extending radially through a first one of the plurality of struts.

An air compressor with oil pump inlet strainer bypass features, including a bypass valve assembly in fluid communication with the air compressor crankcase to provide lubricating oil to the dynamic compressor components, or simply to the air compressor. The bypass valve assembly includes a valve housing defining an interior chamber and an oil strainer screen engaged with the valve housing to filter the lubricating oil entering the interior chamber. A bypass valve is in fluid communication with the interior chamber and includes a valve body having a bypass port and an indicator port. An optional suction tube is connected to the bypass port on the valve body. An indicator assembly is connected to the indicator port on the valve body.

A gas turbine engine includes a geared architecture with a multiple of intermediate gears, and a baffle with an oil scavenge scoop adjacent to each of the multiple of intermediate gears. A geared architecture and method are also disclosed.

An article of footwear includes an upper and a midsole positioned beneath the upper. The midsole includes an upper portion formed of a first material and a lower portion formed of a second material and positioned beneath the upper portion. The lower portion includes a plurality of support members spaced from adjacent support members. A plurality of connecting members extend between and are connected to adjacent support members, with the connecting members having a height that is less than a height of the support members to which the connecting members are connected, and an upper surface that is substantially flush with an upper surface of the support members to which the connecting members are connected.

An article of footwear with a hydroplaning-resistant outsole and camouflaged toe cap is disclosed. In one example, an article of footwear includes an outsole with a ground contacting surface including a first and second plurality of angled channels angled relative to longitudinal and lateral axes of the footwear. Each angled channel in the first plurality of angled channels extends from the toe to an outer edge of a mid-foot region of the outsole, and each angled channel in the second plurality of angled channels extends from a back portion of the heel to a front portion of the heel. The ground contacting surface also includes a plurality of lateral waved grooves intersecting the first and second plurality of angled channels, and a plurality of lateral waved sipes intersecting the plurality of lateral waved grooves and the first and second plurality of angled channels.

A removable heel assembly, a shoe having a removable shoe assembly and kit containing a shoe body having a heel base and a plurality a assorted removable and interchangeable heels. The heel assembly includes the heel base and a removable and interchangeable heel. The removability relies upon at least one tapered groove ending in a dimple. The heel utilizes a locking connector which contains components which fit within a cavity within the heel base and which locks in place upon engagement thereof when the components engage the at least one tapered, groove and dimple.

A sole structure for an article of footwear and a method of making the sole structure is disclosed. The sole structure can include an outsole and a midsole. The midsole includes a cavity with a protruding portion. A U-shaped transparent member is configured to cover the cavity so that the protruding portion remains visible from within the cavity.

An article of footwear with a ball contacting member is disclosed. The ball contacting member enhances the ability of a wearer to kick a ball with a low trajectory. The ball contacting member can be attached to the article of footwear in various different ways.

A shoe (1) is disclosed comprising: an insole (1) fixed to the upper (T) and comprising a slot (10) in the heel area and a plurality of holes (11) in the plantar surface area. A ventilation system (2) comprises: a pump (4) disposed in the slot (10) of the insole, a membrane (3) fixed in the lower surface of the insole (1) under the holes (11), a connection pipe (20) connecting the chamber (40) of the pump with the spaces (32) of the membrane and an outlet conduit (21) connecting the chamber of the pump (40) with the outside to exhaust air. An outsole (9) obtained by directly injecting expandable material in a mold covers the ventilation system, insole and lower part of the upper (T). A mold (S) for performing said direct injection is also disclosed.