Abstract: Button cover cutting press apparatus includes a frame and a cutter secured to a movable cutting head, and the cutter head and cutter are moved relative to the frame on a central guide rod by means of a lever. The guide rod also acts as an ejector to remove the material cut by the apparatus.

Abstract: A cap lining machine constructed with a minimal number of mechanical parts includes a spring-biased shuttle feed for moving the caps into the punching and insert position. A cam pulls the shuttle back against the bias of the spring; so that upon release by the cam, the shuttle pushes the caps to the insert position. If a cap becomes jammed, the spring-biased shuttle simply is held back against the spring bias to prevent breaking of caps or parts of the machine. A tamper also is concentrically mounted within a hollow punch and is controlled by a rocker arm assembly to press punched inserts out of the lower end of the punch and seat them into the caps. The tamper may be cleaned by removing it completely from the top of the punch.

Abstract: A self-sharpening hole punch for plastic bags includes a pneumatically operated punching apparatus for punching wicket pin receiving holes in a flexible film or plastic bag. If desired, a tear slit may be simultaneously formed to enable the bag to be quickly and readily torn free from the wicket pin upon which the bag is retained. A pneumatic air cylinder has a cylinder rod with a fitting affixed thereto, the fitting having an internal tapered thread. Interchangeable plastic cutting tools, having a complementary tapered thread, may be interchangeably screwed into the fitting to facilitate replacement as necessary. A resiliently compressible cylinder of foam plastic material is disposed in a circular void at the cutting side of each of the plastic cutting tools to expel the waste film discs that are punched out of the film or plastic bag material.

Abstract: A piercing punch and ejection assembly has a piercing punch member provided with a bore in its point thickness section. The ejector member, included in the assembly, comprises a conical helical spring of rectangular cross section that is installed into the blind hole bore of the punch member.

Abstract: An apparatus for forming a tab on a tearing tape for a packing film for a pack of cigarettes, etc. and printing an identifying color or pattern on the tab. A cutter is provided on a roller facing a roll for supporting a bonded assembly of a web for forming a plurality of tearing tapes and a web for forming a plurality of packing films. The cutter has a generally U-shaped cutting edge for cutting a tab for each tearing tape. A printing plate is disposed movably in the cutter for printing an identifying color or pattern on each tab simultaneously when it is cut. An inking roller is provided on the opposite side of the cutter from the supporting roll for supplying a printing ink to the printing plate. The printing plate has a printing surface surrounded by the cutting edge and projecting slightly therefrom when the printing plate is in its inoperative position.

Abstract: A punch press for cutting windows in a ball cage. The ball cage is held in an established position. A first press assembly includes a first frame member and a punch assembly on a first surface of the cage, for cutting a portion of the cage. A second press assembly includes a second frame member, a cutting bed for supporting a second surface of the cage, said first and second surfaces being opposite surfaces of the cage, around the portion to be cut by the punch assembly. It also includes a counterpunch for opposing the punch assembly on the second surface. Pressure is applied to the second press assembly toward the punch assembly.

Abstract: An improved apparatus for cutting out discs from a sheet of cotton or other flexible material employs a reciprocating punch assembly having a punch whose stem is held in a housing that aligns the punch with an aperture in a die. The punch carries a protruding spherical segment that presses the interposed sheet material against the rim of the aperture in the die. To adjust for misalignment of the punch with the die aperture, the punch is resiliently supported in the housing in a manner permitting the punch sufficient movement to enable its spherical segment to enter the die aperture and force the flexible material against the entire circumference of that aperture in one stroke of the punch assembly.

Abstract: A punch for a cutting die is provided for forming holes in corrugated board or the like. The hole punch includes a tubular metal member of circular transverse cross section having one end substantially flush with the back surface of a die plate in which it is mounted and the other end extending beyond the front surface of the die plate and terminating in a circular cutting edge. A body of resilient material, preferably molded rubber, is located within the cylindrical member and has one end terminating near the back end of the tubular member and another end terminating near the cutting edge of the tubular member. The purpose of the body is to eject and strip the scrap of corrugated board from the punch and from the rest of the blank being formed by the cutting die. The resilient body has a central, cylindrical recess at one end which enables the resilient material to be deformed inwardly when engaging a corrugated board being cut by the circular cutting edge.

Abstract: A punch press apparatus for perforating explosive sheet material has a cur plate containing multiple tubular cutters projecting below the plate. Each cutter contains a spring biased plunger for ejecting cutout sheet material from within the tubular cutter. The rearward end of each plunger projects above the cutter plate and contains a compression spring which returns the plunger to its original position after it has ejected the cutout material. A removable plunger protector plate is positioned above the cutter plate and a plunger ejector plate is located above the protector plate. The latter contains holes for receiving the projecting plunger ends so that the plungers are not depressed when the ejector plate is moved downward to press the protector plate onto the cutter plate to perforate the sheet material against an anvil. After the perforation operation, the protector plate is removed and the ejector plate is moved downward to depress the plungers which eject the cutout sheet material from the cutters.

Abstract: A die ejecting plate has a large block of rubber bonded to one of its planar surfaces and is fixedly attachable to a topmost portion of a conventional paper cutting die. Once attached to the paper cutting die, the ejecting plate is so positioned that the block of rubber extends downwardly into the die. A die cutting press may then be used to drive the paper cutting die through a stack of paper, and once the hammer of the press is removed from contact with the die, the block of rubber serves to forcibly extract the die from the material cut.

Abstract: An apparatus for removing the wire-reinforced inside rim cores of automobile tires and the like so as to permit shredding for fuel or other use of the remaining carcass, such apparatus principally featuring axially aligned reciprocative action tubular cutters, associated tire positioning and centering mechanism including conjointly actuated centering arms, an annular tire support platform that yieldably supports the tire at a level initially above the lower cutter, and a centering cone member that precisely centers the tire as the upper cutter approaches cutting engagement with the tire, and further featuring an upper cutter assembly that carries a stripper that presses the severed or partially severed cores through the interior of the lower cutters and in the process thereof completes the severance of tire wall material over the edge of the lower cutter.

Abstract: A punch for a cutting die is provided for forming holes in corrugated board or the like. The hole punch includes a tubular metal member of circular transverse cross section having one end substantially flush with the back surface of a die plate in which it is mounted and the other end extending beyond the front surface of the die plate and terminating in a circular cutting edge. A body of resilient material, such as natural gum rubber or latex, is located within the cylindrical member and has one end terminating near the back end of the tubular member and another end terminating near the cutting edge of the tubular member. The purpose of the body is to eject and strip the scrap of corrugated board from the punch and from the rest of the blank being formed by the cutting die. The resilient body has a central, cylindrical passage extending completely therethrough, in a preferred form.

Abstract: The present application discloses a die cutter assembly which includes in combination a plurality of flat wood layers which support a steel rule die for cutting paper such as cardboard and like material. Metal hinge members are secured to opposed sides of the flat wood layers and each hinge member has a portion which overhangs the wood layers. A pivot member extends from each overhanging portion. A cover is provided which is capable of moving between a closed and an open position and this cover member comprises a flat surface which is adapted to engage the steel rule die for cutting paper interposed between the steel rule die and the flat surface of the cover member. The cover member has four downturned edges to fit around the top edge of the wood layers in the closed position of the cover member.

Abstract: Apparatus for cutting plastics, said apparatus comprising heated and cooled parts separated from each other by insulating means, whereby said tool is continuously working under a temperature corresponding to the temperature of the transition from a solid into a liquid phase of the plastic to be shaped.