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Firearm projectiles and cartridges and methods of manufacturing the same

Firearm projectiles and methods of manufacturing firearm projectiles from a supply of clad wire. In some embodiments, the clad wire is manufactured as electrical wire, such as copper-clad steel wire. Bullets and shot, as well as methods of forming bullets and shot, from clad wire are disclosed.




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Cartridged projectile

The present invention describes an improved cartridged projectile (100). The cartridged projectile (100) comprises a projectile (110) seating at a mouth of a cartridge case (130). The cartridge case (130) has a base (134) that houses a high pressure chamber (150). A side of the high pressure chamber (150) is capped by a pressure disc (170), which is secured onto the base of the cartridge case by a nozzle ring (160). The nozzle ring (160) has a tapered or conical surface that allows the pressure disc (170) to flex, and a surface (171) of the pressure disc (170) exterior of the high pressure chamber has intersecting V-shaped grooves (172). When propellant in the high pressure chamber (150) is burned efficiently, high pressure gases developing inside the high pressure chamber cause the pressure disc (170) to rupture at a predetermined pressure along the grooves (172) so that the gases propel the projectile (110) out of a barrel at a higher speed of about 100 m/s or more.




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Hand operated rifle cartridge loading press affording a repeatable degree of crimping

A hand operated press for reloading metal rifle cartridges including indicating means for providing for an operator of the press discrete indications of the different forces that can be manually applied through the drive mechanism during use of the press to crimp the second end of a cartridge against a bullet in the cartridge to allow the operator to use one of those indications to manually apply the same force to form essentially the same degree of crimp of the second ends of identical cartridges against identical bullets in the cartridges.




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Tool for handling a cartridge

A cartridge retention tool may be used for restraining a spent cartridge during primer pocket cleaning. The tool may have jaws that may be sized to approximately fit the cartridge and secure it from moving during the cleaning process. The tool may employ mechanical leverage to reduce the amount of force required to restrain the cartridge within the jaws.




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Firearm projectiles and cartridges and methods of manufacturing the same

Firearm projectiles and methods of manufacturing firearm projectiles from a supply of clad wire. In some embodiments, the clad wire is manufactured as electrical wire, such as copper-clad steel wire. Bullets and shot, as well as methods of forming bullets and shot, from clad wire are disclosed.




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Method for commercial production of small-arms cartridge cases

The invention provides methods for producing varying sizes and types of small firearm cartridge cases using earlier produced cartridge cases as work stock. The preexisting cartridge cases are subjected to a number of machining operations to obtain the desired different sizes and/or types of cartridge cases. The invention considerably shortens the production cycle and substantially decreases the costs of production versus the conventional method of manufacturing new cartridge cases.




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Precision forged cartridge case

An improved cartridge case completely produced net shape on a progressive cold former that includes a trim to lengthy station with an internal shearing tool.




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Ammunition articles and methods for making the same

A method of making an ammunition article and associated ammunition article is provided. The ammunition article is interchangeable with standard ammunition articles and to operate in standard chambers of standard weapons systems and of the type having a casing including a sidewall that defines a casing volume within. The method includes determining a desired propellant charge volume for a given ammunition article, determining a thickness of the casing sidewall such that the casing volume substantially corresponds to the desired propellant charge volume, and forming the casing having the determined thickness.




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Heat transport fluid passage device with hydrophobic membrane

A heat transport fluid passage device for a heat transport circuit has a wall defining a passage through which a heat transport fluid flows. The heat transport fluid contains a solvent made of water or an organic substance and fine particles dispersed in the solvent. A hydrophobic membrane is formed on a surface of the wall.




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Nanoparticle-enhanced phase change materials (NEPCM) with improved thermal energy storage

Nanoparticle-enhanced phase change materials (NEPCM) including nanoparticles dispersed with a base phase change material and that exhibit enhanced thermal conductivity in comparison to the base phase change material.




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Heat transfer device including compressible particles suspended in a circulating heat-transfer fluid

A heat transfer device including a container in which a heat-transfer fluid circulates in a closed loop. The heat transfer fluid is capable of undergoing an increase in volume on solidifying. The container further contains particles suspended in the heat-transfer fluid. At least some of the particles are compressible under the pressure of the fluid, as the fluid is solidifying, so as to at least partially compensate for the increase in volume of the fluid upon solidifying.




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Silicon-based lens support structure and cooling package with passive alignment for compact heat-generating devices

A silicon-based thermal energy transfer apparatus that aids dissipation of thermal energy from a heat-generating device, such as an edge-emitting laser diode, is provided. In one aspect, the apparatus comprises a silicon-based base portion having a first primary surface and a silicon-based support structure. The silicon-based support structure includes a mounting end and a distal end opposite the mounting end with the mounting end received by the base portion such that the support structure extends from the first primary surface of the base portion. The support structure includes a recess defined therein to receive the edge-emitting laser diode. The support structure further includes a slit connecting the distal end and the recess to expose at least a portion of a light-emitting edge of the edge-emitting laser diode when the edge-emitting laser diode is received in the support structure.




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Composite nanoparticles and manufacturing method thereof

Metal nanoparticles having improved migration resistance are provided. The present invention relates to a method for manufacturing composite nanoparticles including obtaining composite nanoparticles containing at least silver and copper in a single particle by heat treating a mixture containing an organic silver compound and an organic copper compound at a temperature of 150° C. or more in a non-oxidative atmosphere in the presence of a tertiary amine compound represented by the general formula R1R2R3N (wherein R1 through R3 are optionally substituted alkyl groups or aryl groups that may be the same or different, R1 through R3 may be linked in a ring, and the number of carbon atoms in each of R1 through R3 is 5 through 18 and may be the same or different).




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Components for exhaust system, methods of manufacture thereof and articles comprising the same

Disclosed herein is a sintered composition comprising iron; about 0.05 to about 1 wt % molybdenum; about 3 to about 4.5 wt % silicon; about 0.05 to about 0.5 wt % chromium; about 0.011 to about 0.015 wt % magnesium; all weight percents being based on the total weight of the composition; the composition being devoid of carbon except for trace amounts; and wherein the composition is sintered. Disclosed herein too is a method comprising blending a powdered composition that comprises iron; about 0.05 to about 1 wt % molybdenum; about 3 to about 4.5 wt % silicon; about 0.05 to about 0.5 wt % chromium; about 0.011 to about 0.015 wt % magnesium; all weight percents being based on the total weight of the composition; the composition being devoid of carbon except for trace amounts; compacting and sintering the composition.




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Methods for producing silver nanoparticles

An exemplary embodiment of the invention is a method for making silver nanoparticles, and includes steps of reacting a silver salt with a phosphene amino acid to make silver nanoparticles. Exemplary phosphene amino acids include trimers, with a particular example being a trimeric amino acid conjugate containing one phosphene group. In an exemplary method of the invention, the silver nanoparticles may be produced in timer periods of less than about 30 minutes, and at temperatures of less than about 40° C. Other methods of the invention are directed to methods for stabilizing silver nanoparticles.




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Articles containing copper nanoparticles and methods for production and use thereof

Articles containing a matrix material and plurality of copper nanoparticles in the matrix material that have been at least partially fused together are described. The copper nanoparticles are less than about 20 nm in size. Copper nanoparticles of this size become fused together at temperatures and pressures that are much lower than that of bulk copper. In general, the fusion temperatures decrease with increasing applied pressure and lowering of the size of the copper nanoparticles. The size of the copper nanoparticles can be varied by adjusting reaction conditions including, for example, surfactant systems, addition rates, and temperatures. Copper nanoparticles that have been at least partially fused together can form a thermally conductive percolation pathway in the matrix material.




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Method of generating hydrogen from the reaction of stabilized aluminum nanoparticles with water and method of forming stabilized aluminum nanoparticles

A method of generating hydrogen gas from the reaction of stabilized aluminum nanoparticles with water is provided. The stabilized aluminum nanoparticles are synthesized from decomposition of an alane precursor in the presence of a catalyst and an organic passivation agent, and exhibit stability in air and solvents but are reactive with water. The reaction of the aluminum nanoparticles with water produces a hydrogen yield of at least 85%.




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Highly aromatic compounds and polymers as precursors to carbon nanotube and metal nanoparticle compositions in shaped solids

A method of making metal nanoparticles and carbon nanotubes is disclosed. A mixture of a transition metal compound and an aromatic polymer, a precursor of an aromatic polymer, or an aromatic monomer is heated to form a metal nanoparticle composition, optionally containing carbon nanotubes.




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Nanowire preparation methods, compositions, and articles

Methods of preparing nanowires having small diameters and large lengths are disclosed. Such nanowires are useful in electronics applications.




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Composition for the synthesis of bimetallic nanoparticles in an ionic liquid and associated method

The invention relates to a composition for synthesizing bimetallic nanoparticles, wherein the composition contains a first organometallic precursor and a second organometallic precursor having different decomposition rates and contained within an ionic liquid solution. The invention also relates to a method for synthesizing bimetallic nanoparticles, in which the composition is transformed under a hydrogen gas pressure between 0.1 and 10 MPa at a temperature between 0 and 150° C. until a suspension of bimetallic nanoparticles is obtained. The resulting nanoparticles are useful in diverse fields including the fields of catalysis and microelectronics.




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Nanowire preparation methods, compositions, and articles

Nanomaterial preparation methods, compositions, and articles are disclosed and claimed. Such methods can provide nanomaterials with improved morphologies relative to previous methods. Such materials are useful in electronic applications.




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Nanowire preparation methods, compositions, and articles

Nanomaterial preparation methods, compositions, and articles are disclosed and claimed. Such methods can provide nanomaterials with improved morphologies relative to previous methods. Such materials are useful in electronic applications.




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Sliding part and method of manufacturing the same

There is provided a sliding part in which a surface coverage ratio of copper in the sliding part increases. A bearing which is the sliding part is formed by filling the raw powder into the filling portion of the forming mold, compacting the raw powder to form a powder compact, which is sintered. A copper-based raw powder is composed of a copper-based flat raw powder whose diameter is smaller than that of an iron-based raw powder and an aspect ratio larger than that of the iron-based raw powder, and a copper-based small-sized raw powder whose diameter is smaller than that of the copper-based flat raw powder. The copper is allowed to segregate at the surface of the sliding part. The surface of the bearing is covered with the copper-based small-sized raw powder and the copper-based flat raw powder, thereby the surface coverage ratio of copper can be increased.




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Methods of producing nanoparticle reinforced metal matrix nanocomposites from master nanocomposites

Methods of forming metal matrix nanocomposites are provided. The methods include the steps of introducing a master metal matrix nanocomposite into a molten metal at a temperature above the melting temperature of the master metal matrix nanocomposite, allowing at least a portion of the master metal matrix nanocomposite to mix with the molten metal and, then, solidifying the molten metal to provide a second metal matrix nanocomposite.




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System and method for fabrication of 3-D parts

The method for forming a 3-D metal object by 3-D printing or injection molding comprising providing as a feed material metal particles formed by establishing multiple metal components in a primary billet of a ductile material, working the primary billet through a series of reduction steps to form the components into elongated elements, leaching the ductile material from the elongated elements and reducing the length to short uniform lengths.




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Nanowire preparation methods, compositions, and articles

Nanomaterial preparation methods, compositions, and articles are disclosed and claimed. Such methods can provide nanomaterials with improved morphologies and reduced nitric oxide co-production relative to previous methods. Such materials are useful in electronic applications.




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Tire sorting apparatus

A tire sorting apparatus for reliably reading information from a tire identifier, such as a barcode, formed on the surface of a tire without damaging the tire. Placed under a tire mounting table is a tire grip means which has three grip arms arranged circularly in a plane perpendicular to the tire center axis and link mechanisms for spreading the grip arms. Placed above the mounting table is a barcode reader rotating means for rotating a barcode reader held by a barcode reader holding means. The rotation axis of the barcode reader is aligned with the center of the circle formed by the grip arms of the tire grip means.




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Hot-forged copper alloy part

A hot-forged copper alloy part which has a tubular shape, in which an alloy composition contains 59.0 mass % to 84.0 mass % of Cu and 0.003 mass % to 0.3 mass % of Pb with a remainder of Zn and inevitable impurities, a content of Cu [Cu] mass % and a content of Pb [Pb] mass % have a relationship of 59≦([Cu]+0.5×[Pb])≦64, a shape of the forged part satisfies a formula of 0.4≦(average inner diameter)/(average outer diameter)≦0.92, 0.04≦(average thickness)/(average outer diameter)≦0.3, and 1≦(tube axis direction length)/(average thickness))≦10, a forging material which is to be hot-forged has a tubular shape and satisfies 0.3≦(average inner diameter/average outer diameter)≦0.88, 0.06≦(average thickness)/(average outer diameter)≦0.35, and 0.8≦(tube axis direction length)/(average thickness))≦12, and 0%≦(degree of uneven thickness)≦30%, 0≦(degree of uneven thickness)≦75×1/((tube axis direction length)/(average thickness))1/2 in any location in a tube axis direction.




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Composite steel part and manufacturing method for the same

A manufacturing method for a composite steel part including manufacturing a first steel part by preparing an intermediate product in which an extra portion is added, and heating the intermediate product to an austenitizing temperature in a carburizing atmosphere to form a carburized layer, cooling the intermediate product at a rate less than a cooling rate at which martensitic transformation is caused and in which the intermediate product is cooled to a temperature equal to or less than a temperature at which structure transformation due to the cooling is completed, heating the intermediate product to an austenitizing range by high-density energy and thereafter cooled at a rate equal to or more than the cooling rate at which martensitic transformation is caused to form a carburized quenched portion, cutting the extra portion of the intermediate product, and welding the first steel part and the second steel part to each other.




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Steel sheet for cans with excellent surface properties after drawing and ironing and method for producing the same

A component composition contains, by % by mass, 0.0016 to 0.01% of C, 0.05 to 0.60% of Mn, and 0.020 to 0.080% of Nb so that the C and Nb contents satisfy the expression, 0.4≦(Nb/C)×(12/93)≦2.5. In addition, the amount of Nb-based precipitates is 20 to 500 ppm by mass, the average grain diameter of the Nb-based precipitates is 10 to 100 nm, and the average crystal grain diameter of ferrite is 6 to 10 μm. Nb is added to ultra-low-carbon steel used as a base, and the amount and grain diameter of the Nb-based precipitates are controlled to optimize the pinning effect. Grain refinement of ferrite is achieved by specifying the Mn amount, thereby achieving softening and excellent resistance to surface roughness of steel.




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Bearing steel being excellent both in workability after spheroidizing-annealing and in hydrogen fatigue resistance property after quenching and tempering

Provided is bearing steel excellent in workability after spheroidizing-annealing and in hydrogen fatigue resistance property after quenching and tempering. The bearing steel has a chemical composition containing, by mass %: 0.85% to 1.10% C; 0.30% to 0.80% Si; 0.90% to 2.00% Mn; 0.025% or less P; 0.02% or less S; 0.05% or less Al; 1.8% to 2.5% Cr; 0.15% to 0.4% Mo; 0.0080% or less N; and 0.0020% or less O, which further contains more than 0.0015% to 0.0050% or less Sb, with the balance being Fe and incidental impurities, to thereby effectively suppress the generation of WEA even in environment where hydrogen penetrates into the steel, so as to improve the roiling contact fatigue life and also the workability such as cuttability and forgeability of the material.




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Alumina-forming cobalt-nickel base alloy and method of making an article therefrom

A cobalt-nickel base alloy is disclosed. The alloy includes, in weight percent: greater than about 4 % of Al, about 10 to about 20 % of W, about 10 to about 40 % Ni, about 5 to 20 % Cr and the balance Co and incidental impurities. The alloy has a microstructure that is substantially free of a CoAl phase having a B2 crystal structure and configured to form a continuous, adherent aluminum oxide layer on an alloy surface upon exposure to a high-temperature oxidizing environment. A method of making an article of the alloy includes: selecting the alloy; forming an article from the alloy; solution-treating the alloy; and aging the alloy to form an alloy microstructure that is substantially free of a CoAl phase having a B2 crystal structure, wherein the alloy is configured to form a continuous, adherent aluminum oxide layer on an alloy surface upon exposure to a high-temperature oxidizing environment.




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Method for welding workpieces made of highly heat-resistant superalloys, including a particular mass feed rate of the welding filler material

A welding method for welding workpieces made of highly heat-resistant superalloys is provided. The method includes generating a heat input zone on the workpiece surface by means of a heat source, feeding welding filler material into the heat input zone by means of a feeding device, and generating a relative motion between the heat source and the feeding device on one hand and the workpiece surface on the other hand by means of a conveying device. Furthermore, according to the welding method, the mass feed rate is ≦350 mg/min.




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Steel for induction hardening, roughly shaped material for induction hardening, producing method thereof, and induction hardening steel part

A steel for an induction hardening including, by mass %, C: more than 0.75% to 1.20%, Si: 0.002 to 3.00%, Mn: 0.20 to 2.00%, S: 0.002 to 0.100%, Al: more than 0.050% to 3.00%, P: limited to 0.050% or less, N: limited to 0.0200% or less, O: limited to: 0.0030% or less, and the balance composing of iron and unavoidable impurities, wherein an Al content and a N content satisfy, by mass %, Al−(27/14)×N>0.050%.




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Theft-protection system and device, in particular for open pockets

A system and a device for anti-thief protection, especially for open pockets of trousers, bags and the like, includes a mobile protection strip element (1) to be applied on the pockets hooks (12). The aim is attained by superposing the strip (1) on the pocket (T) and blocking the strip (1) using a plurality of hooks (12) in the form of clips located in the lower part (5) of the strip (1), the strip (1) supported by support elements (G), located in the upper part (2) thereof, which insert or hook in the zone overlying the pocket (T) to be protected.




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Convertible pillow purse

A purse or bag for carrying accessories and/or personal articles that converts into a pillow is provided. In a first state, the purse or bag includes at least two exterior pockets configured for carrying appropriate sized articles or accessories. In a second state, the purse or bag is turned inside out to expose first and second pillow portions which when zippered, or coupled, together form a single pillow.




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Theft protectable carrying bag in particular for portable computers

A carrying bag (10) with a shoulder-strap (22) and a zipper (14) with zipper-rider (16) for closing/opening the bag. The shoulder-strap (22) is provided with a loop (24) at one end and a key-operated locking device (26) at the other end thereof. Means (36) are provided for fastening the loop (24) to an inside wall of the bag. Means (48) are provided for securing the zipper-rider (16) by the locking device (26) to an outside wall of the bag (10) for preventing the un-zipping of the bag.




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Portable purse strap hook

The portable purse strap hook is slidably and removably mounted on a purse strap. The portable purse strap hook includes a flexible sheet having at least one releasable fastener attached thereto for releasably fastening laterally opposed ends thereof to form a sleeve slidably disposed on the purse strap. A hook is pivotally secured to the inner surface of the flexible sheet. The hook is pivotal between a stored position within the sleeve and a position extending from the sleeve so that the hook may be used to hang the purse from a stationary support.




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Canopy for portable electrical device

A system and method are provided for the shielding of outdoor electrical equipment from inclement weather, the system comprising: a plurality of support brackets affixed to the outdoor electrical equipment; a support frame disposed in the support brackets; a waterproof cover disposed over the frame; an apron depending from the cover, configured to cover electrical connections on a side of the outdoor electrical equipment.




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Label for removable attachment to an article

A label for removable application to an article such as a beverage bottle includes a backing layer (2) comprising a laminate of a bi-axially oriented polyester such as PET (12) and a bi-axially oriented polypropylene (14). The polyester film (12) has a lower coefficient of thermal expansion than the polypropylene film (14). Consequently, when the label is heated, it will tend to curl and this effect can be used to assist in the removal of the label from the article in a hot washing bath during recycling of the article.




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Convertible flag and banner system

A flag and banner system for displaying a flag and/or a banner on a flat panel of a vehicle. The system features a first mast with two linear mast channels, a first indexing base with an attachment clip that attaches to an inner edge of a pivoting panel of the vehicle, and a first pliable flag. The system also features a second mast with two linear mast channels, a second indexing base with an attachment clip that attaches to the inner edge of the pivoting panel of the vehicle at an offset from the first indexing base, and a second pliable flag. The first pliable flag is connected to the first mast and the second pliable flag is connected to the second mast via attachment tabs. A banner is attached to both the first and second mast via attachment tabs.




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Partition system

The invention relates to a partition system (10) comprising a plurality of wall elements (1) merging one into another, wherein at least one wall element (1) is designed as a stepped element (150), and wherein at least one wall element (1) is designed as a corner element (250).




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Vehicle advertising system

Mobile signs/billboards designed to attach to the back end of a vehicle are disclosed comprising a mounting device that is mounted to the back end of a vehicle via the holes for fixing a license plate, and a sign or billboard supported by the mounting device. The signs are designed in a variety of shapes and sizes to provide a display for advertisement or personal messaging. The sign/billboard can be inserted or removed quickly from the mounting device. While the sign/billboard is supported by the mounting device at the back end of the vehicle, the license tag is affixed elsewhere on the mounting device for full viewing and lighting. The mounting device remains on the vehicle until easily removed whereupon the license plate can be reattached to the vehicle. The mounting device comprises an inner pocket for easy insertion and removal of signs and billboards. Lighting may be wired with the vehicle or use solar power or batteries to providing lighting for the sign/billboard.




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Messaging sign having a reversible fastening system for moveable display articles

The invention relates to a messaging sign apparatus with informative indicia moveable articles that externally display information regarding patient care. The messaging sign apparatus includes a frame, a movable article positionable within the frame, and fastening member that is engageable with the moveable article. The frame includes an article receiving section on an inner body thereof and an article receiving opening on an outer surface and leading into the article receiving section, with the moveable article positioned in the article receiving section and moveable through the article receiving opening. The fastening member is arranged on the frame and engageable with the moveable article to secure the moveable article within the frame into different displaying position.




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Apparatus to support portable electronic devices and other devices or objects

An apparatus to support a device includes a first base; a first support; a first base-support hinge adapted to rotatably couple the first base and the first support along a first axis of rotation; a first swivel slidably connected to the first support and having a first cut-out adapted to receive a first portion of the device; a second base; a second support; a second base-support hinge adapted to rotatably couple the second base and the second support along a second axis of rotation; and a second swivel slidably connected to the second support and having a second cut-out adapted to receive a second portion of the device spaced apart from the first portion of the device.




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Advertising apparatus and method

An advertising apparatus including a body portion adapted to be one or both of connected to or disposed on a support structure accessible for advertising purposes and, an interchangeable and/or replaceable advertising device, the advertising device being adapted to be one or both of connected to or disposed on the body portion.




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Portable movie screens, systems, and methods of using the same

A portable movie screen includes a screen portion and a frame portion surrounding at least part of the periphery of the screen portion. The screen portion has a screen gain greater than about 0.8 and an elasticity greater than an elasticity of the frame portion. The movie screen includes at least one side connected to the front portion and a receiving space defined at least in part by the front portion and the side portion. The receiving space is configured to selectively receive a support body including at least one sealed chamber and movable between a collapsed configuration and an expanded configuration. The frame portion is configured such that when the support body is in the expanded configuration and positioned in the receiving space, the frame portion tensions the screen portion and substantially maintains the screen portion in a desired shape.




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Apparatus pertaining to physically-discrete sign components

A physically-discrete sign component comprises an internally-electrically-illuminated alphabetic character having a front-facing profile and at least one connecting bar disposed at least substantially horizontally with respect to the front-facing profile of the alphabetic character and at least partially within the front-facing profile of that alphabetic character. By one approach the physically-discrete sign component includes two of the connecting bars. If desired, these two connecting bars are disposed at least substantially parallel to one another. By one approach, a first one of the connecting bars extends partially, but not wholly, above an upper periphery of the aforementioned front-facing profile while the second connecting bar extends partially, but not wholly, below a lower periphery of the front-facing profile. The connecting bars can include a connecting-bar interface configured to physically and electrically interconnect to an adjacent sign component.




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Self-supporting sign and method of manufacturing same

A self-supporting sign of unitary construction comprises a middle portion having a first side, a second side, an upper side, and a lower side. A first foldable flap extends from the first side at a first distance beneath the upper side. A second foldable flap extends from the second side at a second distance beneath the upper side. A front foldable portion having a rounded perimeter extends from the lower side. In a use configuration, the middle portion forms an obtuse angle with respect to the front portion. A first slit is provided adjacent the first side and a second slit is provided adjacent the second side. The first and second slits are configured to aid in the respective folding of the first flap and the second flap with respect to the middle portion.




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Advertising display and method

A poster clamp comprising first and second members, the members comprising first and second gripping surfaces, respectively, for gripping opposing sides of a poster or a like, and a poster mounting system comprising a hoarding and a plurality of such clamps, and a wire on which the clamps are to be mounted for tightening a poster within the frame of the hoarding.