869 results about "Cartridge" patented technology

A linear stapler comprises a support base having a proximal end and a distal end; a trigger located at the proximal end of the support base; an end effector located at the distal end of the support base, fired by the trigger and including a cartridge. The cartridge comprises a cartridge body. The cartridge body includes staple slots for accommodating staples; and a cartridge lockout which is forced into an open position to abut against an outer side of a staple driver when the cartridge is not fired and which springs back toward the inside direction of the cartridge body after the staples in the cartridge are fired by the staple driver. Another linear stapler comprises a support base having a proximal end and a distal end; a trigger located at the proximal end of the support base; an end effector located at the distal end of the support base, fired by the trigger and including a cartridge, the cartridge comprising a cartridge body including a spent cartridge indicator.

A process for manufacturing an ammunition article, including: (a) providing a cartridge including a projectile disposed in a casing and presenting a joint between the projectile and the casing; (b) applying to the joint a sealingly effective amount of a light-curable sealant composition; and (c) exposing the applied sealant composition to curingly effective light. The resulting ammunition article is sealed at the projectile/casing joint against moisture incursion, and such article is amenable to high-speed, high-volume production by the method of the invention.

The present invention provides a single piece polymer ammunition cartridge and polymer ammunition and methods of forming a single piece polymer ammunition cartridge and polymer ammunition.

A process cartridge detachably mountable to a main assembly of an electrophotographic image forming apparatus which includes an openable closing member, a first main assembly guide movable in interrelation with opening and closing action of the closing member, and a second main assembly guide, the process cartridge include a photosensitive drum; a first cartridge frame portion extending in a cartridge mounting direction to the main assembly, at one axial end portion of the drum; a first cartridge guide projected from the first cartridge frame portion, the first cartridge guide moving the cartridge toward a cartridge mounting position by movement of the first main assembly guide with the cartridge being supported on first main assembly guide, upon mounting of the cartridge to the main assembly; a second cartridge frame portion extended in the mounting direction at the other axial end portion of the drum; a second cartridge guide projected from the second cartridge frame portion, the second cartridge guide moving the cartridge toward a cartridge mounting position by movement of the second main assembly guide with the cartridge being supported on the second main assembly guide, when the cartridge is mounted to the main assembly of the apparatus; a first cartridge positioning portion for engaging with a first main assembly positioning portion provided in the main assembly to position the cartridge relative to the main assembly, the first cartridge positioning portion being projected outwardly from the first cartridge frame portion and coaxially with the drum at the one axial end of the drum; and a second cartridge positioning portion for engaging with a second main assembly positioning portion to position the cartridge relative to the main assembly when the cartridge is mounted to the main assembly, the second cartridge positioning portion being projected outwardly from the second cartridge frame portion and coaxially with the drum at the other axial end of the drum.

The present invention provides a method of making a metal injection molded ammunition cartridge comprising the steps of: providing an ammunition cartridge mold comprising a bottom portion having a primer recess extending into the bottom portion adapted to receive a primer, a flash hole positioned in the primer recess through the bottom surface; side walls extending from the bottom portion to a nose end aperture, wherein a propellant chamber is formed between the nose end aperture and the bottom surface; injecting a metal composition into the ammunition cartridge mold to form a metal injection molded ammunition cartridge; and removing the metal injection molded ammunition cartridge from the ammunition cartridge mold.

The present invention includes a primer insert for a polymer ammunition cartridge comprising: a top surface; a bottom surface opposite the top surface; a coupling element that extends from the bottom surface, wherein the coupling element comprises an interior surface and an exterior surface, wherein the interior surface comprises: a convex transition region that transitions from the bottom surface to a second segment wherein the transition region has an overall convex shape; a first segment extending from the second segment and terminates at a tip, wherein the first segment has a first segment distance from 0.06 to 0.14 inches and the second segment has a second segment distance from 0.05 to 0.15 inches, wherein the second segment has a second segment angle from +3 to −3 degrees relative to the first segment angle and the first segment has a first segment angle from +6 to −6 degrees from perpendicular to the top surface; a primer recess in the top surface that extends toward the bottom surface; a primer flash aperture positioned in the primer recess through the bottom surface; and a flash aperture groove in the primer recess and positioned around the primer flash aperture and adapted to receive a polymer overmolding through the primer flash aperture.

The present invention provides an ammunition having a metal injection molded projectile and a polymer cartridge case comprising a polymer ammunition cartridge comprising a bottom portion and a top portion that enclose a propellant chamber, wherein the bottom portion comprises a primer recess in communication with a primer flash hole that extends into a propellant chamber and the top portion comprises a projectile aperture; a primer inserted into the primer flash hole aperture; a propellant at least partially filling the propellant chamber; and a metal injection molded projectile frictionally fitted in the projectile aperture, wherein the metal injection molded projectile comprises a nose extending essentially symmetrically to a shoulder, and an essentially cylindrical bearing surface extending from the shoulder to a base.

The present invention provides a primer insert for a polymer ammunition cartridge comprising: a top surface; a bottom surface opposite the top surface; a coupling element that extends from the bottom surface, wherein the coupling element comprises an interior surface and an exterior surface, wherein the interior surface comprises: a convex transition region that transitions from the bottom surface to a second segment wherein the transition region has an overall convex shape; a first segment extending from the second segment and terminates at a tip, wherein the first segment has a first segment distance from 0.02 to 0.18 inches and the second segment has a second segment distance from 0.02 to 0.18 inches, wherein the second segment has a second segment angle from +3 to −3 degrees relative to the first segment angle and the first segment has a first segment angle from +6 to −6 degrees from perpendicular to the top surface; a primer recess in the top surface that extends toward the bottom surface; a primer flash aperture positioned in the primer recess through the bottom surface; and a flash aperture groove in the primer recess and positioned around the primer flash aperture and adapted to receive a polymer overmolding through the primer flash aperture.