Abstract: The invention concerns a fastening tool employing a caseless munition. The tool includes a cavity for the munition, or explosive chamber, constituting a high-pressure chamber communicating with a low-pressure expansion chamber through at least one passage. The cavity for the munition, or explosive chamber, is formed radially in the very body of the breech, access thereto for loading being located on the periphery of said breech. It is possible to close said access after loading with a closing member, and the passage or passages putting the munition cavity in communication with the low-pressure chamber are formed in said breech.

Abstract: A masonry anchor including a sleeve having one or more protuberances extruded from its sidewall, said sleeve being annealed to a hardness not to exceed a Brinell hardness number of 230 so as to allow said protuberances to deform into a flattened state to increase the overall holding power of said anchor.

Abstract: A chamber is formed on a powder-actuated tool into which the combustion gases generated by firing the tool are directed. The chamber contains a plurality of baffle plates which absorb noise and provide increased surface area for precipitation of fouling deposits carried by the combustion gases. The plates are easily removable for cleaning. The chamber is formed in a box-like housing which can be secured to a conventional indirect firing tool with minimal adaptation necessary.

Abstract: An improved mandrel assembly construction for use in an isostatic press. The compacted body is pressed onto the mandrel and an improved assembly is utilized to free the body from the mandrel and remove the body from the tooling so that the body can be subjected to further processing. A pressure intensifier is used to apply pressure to the mold bodies and a separate air spring is used to return the pressure intensifier piston to its original position.

Abstract: 1. A flechette cartridge comprising an external cartridge casing, an internal flechette projectile having protruding stabilizing surfaces, a plurality of individual sabot segments encompassing said projectile and intermeshing with the said protruding stabilizing surfaces to align said projectile with the bore of the firearm in which said cartridge is fired, said projectile-sabot segmented unit having an axial length greater than the axial length of the protruding stabilizing surfaces on said projectile thus supporting the forward portion of the projectile against buckling as the unit proceeds down the bore of the firearm, said sabot segments when intermeshed with said projectile forming a circle of diameter equal to or greater than the diametric circle encompassing the said protruding stabilizing surfaces, explosive means to propel said projectile and suitable means to support said projectile and segmented sabots against thrust of the powder gases and to obturate said powder gases.

Abstract: The device comprises on the front end portion of the plunger or piston a retaining ring mounted in the barrel with the interpositioning of a joint in such a way that the bore of the ring is slightly off-center relative to the piston axis when the joint is not deformed.

Abstract: A power-actuated tool for fastening insulation plates to ingot mold surfaces. The tool includes a cocking foot which reciprocates with respect to the tool breech. Reciprocation of the cocking foot cocks the firing pin and opens and closes an ammunition loading window. A double sear is provided so that the tool cannot be air-fired.

Abstract: A cartridge-type powder actuated piston tool with automatic cartridge feed by gravity and manual fastener feed. The tool is designed specifically for the setting of fasteners to secure insulating board to ingot mold walls.

Abstract: A mechanism for focussing the objective lens assembly of a variable power telescopic rifle sight. A rotatable cam ring is used in conjunction with a coil spring which urges the lens assembly against the cam ring. A lens retainer portion of the lens assembly adjacent to the cam ring has formed thereon a camming ramp which is complimentary to a camming surface formed on the cam ring.

Abstract: A method and apparatus for securing spherical bodies to a supporting member by staking. The spheres are fed one by one into a bore of a setting apparatus where they are picked up by the front end of a staking punch which reciprocates in the bore. The punch advances the sphere to the supporting member and imbeds the sphere in the surface of the supporting member while at the same time forming integral tangs from the supporting member which partially encircle the sphere and hold it in place. The punch then withdraws to pick up a fresh sphere and a new supporting member is moved into place to receive the fresh sphere.

Abstract: An expansible nail-like plug comprising a body whereof one part is separated into at least two portions by at least one substantially radial slot and an expansion core which moves apart the said portions on being driven into the said body. According to the invention, the said slot is interrupted prior to the front end of the said body, whereby the front unslotted end terminates in a point having, for example, a substantially conical or prismatic shape.

Abstract: A closure for a fusee which comprises a body of pyrotechnic material which is contained in a main paper tube and has a primed igniting end surface. The primed end is covered by a secondary paper tube having a wood button insert on the outer end surface of which is deposited scratch mix. The secondary paper tube is secured to the main paper tube by a layer of hot melt which can be manually broken to remove the secondary paper tube from the main paper tube. The secondary paper tube is covered by a paper cup having an integral pressure ring. The cup is secured to the secondary paper tube by a layer of hot melt which can be manually broken to remove the paper cup from the secondary paper tube.

Abstract: The recess for the ammunition comprises two blind bores whose width is equal to, or greater than, the thickness of the ammunition and whose depth is similar to, or greater than, the diameter of the ammunition, whereby the said blind bores are connected by a groove issuing over a part of the height thereof which is at least equal to the diameter of the ammunition, while the duct or ducts issue into the bottom of at least one of the blind bores.

Abstract: An improved easy-opening end closure of the full panel pull-out type, wherein the pull tab includes an integral tether cooperating with the tab attachment rivet to redistribute the opening stresses impressed on the pull tab during opening, whereby tearing of the pull tab is prevented.

Abstract: A child resistant safety closure for an easy-open can has a tether which restrains movement of the pull tab. The tether is integral with the tab and extends into the interior of the tab ring. The distal end of the tether is removably attached to an auxiliary rivet formed in the end panel. Opening the container requires application of sufficient force to cause disengagement of the tether from the auxiliary rivet. This is beyond the experience or physical capabilities of small children.

Abstract: An improved easy-opening end closure wherein the end panel is formed with a number of intersecting, straight score lines which define a number of interconnected non-detachable openable segments adapted to be pushed inwardly to open the closure. An opening member is provided, adapted to effect opening of the closure pursuant to a panelwardly directed application of digital pressure on the nose portion thereof, and having a number of camming surfaces for fracturing the score lines and for urging the segments inwardly.

Abstract: An improved method of providing a sealant layer in the double seam joining a can end panel and body. A dual band of molten resinous thermoplastic hot melt material is applied to the end unit and reflowed to obtain preferred placement. After double seaming, the material may be reflowed again to improve sealant continuity and to provide an improved sealing fillet between the end panel and body.

Abstract: An improved easy-open end closure pull tab comprising a double folded rivet panel having a lower portion which is carried beyond the outer periphery of the tab ring to form a nose. The panel fold functions as a spring to bias the tab away from the end panel of an end closure after assembly and raises the tab above the end panel so that the tab is springy which increases its abuse resistance. The double folded rivet panel construction allows machining the tab from thin sheet stock.

Abstract: An easy-opening end closure of the full opening type is formed with the flap-defining score-line located in the vertical chuck wall whereat the cutedge, of that portion of the closure remaining attached to the container after opening, is shielded by the container sidewall.The disclosure also relates to a method for forming the above described easy-opening end closure wherein the scoreline is formed in a horizontal portion of the end panel, said portion thereafter being upset to a substantially vertical position whereat it comprises a part of the chuck wall.

Abstract: An improved can end trimmer provides for positioning a trimming knife on a rotating spindle in a manner such that it may be adjusted to proper alignment with another knife by means of a spacer fitting. The invention further allows for the removal or replacement of the trimming knives without the necessity of alignment adjustments.