Matches 1 - 50 out of 175 1 2 3 4 >


Match Document Document Title
8997617 Punch assembly with quick attach punch point and stripper plate removably secure thereon  
A punch assembly for a turret punch press having a two piece reciprocally movable punch member that has a punch point insert removably attached to a punch driver that allows replacement of the...
8978431 Punch and method for piercing holes with a retention structure  
A punch including a shearing edge formed on an outer periphery of the punch, a cutting edge formed on the distal end of the punch and at least two ramp surfaces provided between the shearing and...
8931387 Layering punch  
A punching apparatus for a sheet media comprises a base and a handle actuator. The base comprises a first impression head that defines a first image-forming pattern and a second impression head...
8904911 Sleeve for a punch assembly  
A punch assembly includes a punch, a sleeve, a draw stud and a die. The sleeve adds rigidity to the draw stud, thereby reducing elastic deflection of the draw stud, reducing bending moment on the...
8714065 Punching die  
Provided is a punch tool which enables improvement in accuracy of processing a work by suppressing rattling between a punch body and a punch guide and eliminating almost all steps in a punched...
8707841 Punch assemblies and universal punch therefor  
A punch tip design configured to be universal in its application with wide varieties of punch assemblies, and various punch body designs from which universal application of the punch tip is...
8671812 ***WITHDRAWN PATENT AS PER THE LATEST USPTO WITHDRAWN LIST***
Punch assemblies and universal punch therefor
 
A punch tip design configured to be universal in its application with wide varieties of punch assemblies, and various punch body designs from which universal application of the punch tip is...
8635936 Punching device  
A punching device includes: a base including a die part that has a top wall; an abutting member connected to the base; a punch supported on the base, movable relative to the die part and the...
8616107 Punching tool  
A punching tool has a safety device prevents a punching die from being undesirably released from a guide housing when the punching tool is gripped at the head. The safety device has a base guide...
8596105 Punch  
A punch for use in molding a workpiece with lubricating oil interposed between the punch and the workpiece includes a straight portion and a diameter-increasing portion. The straight portion...
8430008 Studio tool  
A studio tool for working stock includes an upper housing, a lower housing, a viewfinder, a viewfinder cover, an alignment tool, and a pressure column. The upper housing and the lower housing are...
8408111 Adjustable punch assemblies and associated adjustment methods  
A punch tool assembly includes an adjustment subassembly coupled to a canister sidewall of the assembly. The adjustment subassembly includes a punch head, which engages a punch holder, or body, of...
8387494 Punching method using punch and punch for punching  
An object of the present invention is to provide a punching method using a punch, which makes it possible to effectively improve the durability of a tooth portion of the punch. In a punching...
8342067 Punching apparatus  
A punching apparatus includes a punch for punching holes in a sheet, a cam member for reciprocally moving the punch in a punching direction, a motor for moving the cam member, a pulse generator...
8327745 Punch assemblies and methods for modifying  
A retain-and-release member, which is coupled to a punch holder of a punch assembly, engages a punch tip against an end of the holder, such that a working portion of the tip extends from the end....
8302517 Press with cutting shock dampening  
To increase the cutting quality and to improve the operation of a press, in particular in punching high-strength martensitic materials or when punching thick sheet metal, a sheet metal holding...
8127651 Multi-pattern material punch  
A system for punching one or more patterns selected from a plurality of related patterns into a workpiece (typically paper or similar materials). The system comprises a punch element having a...
8087333 Method for press punching a hole in sheet metal and press die  
A punch unit for a press die is provided for punching a hole in sheet metal. The punch unit includes a piercing punch provided with a sharp projection, a plunger for pressing the piercing punch, a...
7992475 Plate workpiece processing  
A plate workpiece processing method includes utilizing one or more cutting devices of a machine tool to perform first and second cutting operations on a plate workpiece. During the first cutting...
7971513 Paper punch die and paper punch with such a die  
A paper punch die (125) is disclosed as including a top part (110, 202, 302) and a platform (100, 206, 306) engaged with each other, the platform (100, 206, 306) having an upper major surface...
7958807 Upper tool device and punch therefor  
An upper tool device includes: a punch body having a punch blade at a lower end of the punch body; a punch guide into which the punch body is fitted so as to be movable in vertical direction; an...
7926399 Punch assembly  
A punching assembly includes a die base, a sleeve, an adjusting screw, a pull portion, a latching block, an elastic element, a fixing ring and a stop member. A top of the die base is received in...
7802506 Upper tool device and punch therefor  
An upper tool device includes: a punch body having a punch blade at a lower end of the punch body; a punch guide into which the punch body is fitted so as to be movable in vertical direction; an...
7762170 Heat-effect reduceable finishing unit and image forming system using the same  
A perforator configured to perforate a sheet includes a first frame and a blade. The first frame includes a first main face having a first hole, and is provided under a transport path of the...
7739936 Paper punch  
A paper punch 100, 200 is disclosed as including a button 110, a die 104, and a die holder 106, 210 with an upper jaw 114, 208 and a lower jaw 116 which are spaced apart from each other, in which...
7717021 Punch tool lift spindle  
In one embodiment, a punching machine having a tool bearing, a drive spindle coupled to the tool bearing, and a drive system configured to move the tool bearing axially along a lifting axis and to...
7658134 Punch with self-contained punch recess adjustment indexing  
A punch canister includes a punch head with an axial shaft that has a screw thread which is adapted to be connected during use to the screw threads of a punch element that is slideably associated...
7650824 Adapter to convert electrical box punch dies into self centering punch dies  
This invention generally relates to enlarging a hole in a substrate such that the enlarged hole is centered on the existing hole. A knock-out punch and die tool for enlarging a knock-out hole in...
7631532 Cold-headed standoff  
A process for cold forging a metal fastener such as a self-clinching standoff includes a punch and die set at the final head trimming station which produces the shear burr only on the underside of...
7581475 Stripper unit for a punch retainer  
A stripper unit incorporates a precision threaded plug that preloads a mechanical die spring that, in turn, preloads the movable or traveling stripper adjacent the punch tip. The precision...
7249551 Gasket cutter with changeable and reversible dies and punches  
A gasket cutter with changeable and reversible dies and punches including a body having upper and lower opposed arm members, a cylindrical member slidingly engaged within said upper arm member to...
7168356 Adjustable length punch assembly  
Adjustable length punch assemblies are disclosed. An adjustable length punch assembly in accordance with present invention may be used with a punch press including a tool holder adapted to receive...
7156009 Die device  
When a retainer collar 77 is rotated with respect to a punch guide 29 in a turnable manner, an upper punch driver 49 which pierces the retainer collar 77 so as to be movable up and down is rotated...
7011004 Trimming apparatus and method for fuel cell membrane/electrode coupling and transporting apparatus  
A membrane/electrode assembly trimming apparatus (10) made up of a lower trimming die (14) on which a membrane/electrode assembly (65) is set, an upper trimming die (16) having a trimming blade...
7008684 Strandboard molding having holes at angles of 20 degrees to vertical or more  
Mold apparatus for molded wood strand three-dimensionally carved articles of manufacture using at least one hole punch comprised of a base and a funnel shaped hole-defining portion having a funnel...
6981327 Two piece punch with pilot hole locator  
A two piece punch is provided for use in a punch assembly. The punch includes a generally disc shaped cutter and a cylindrically shaped nut. The punch is assembled by passing a portion of the nut...
6923100 Method and apparatus for punching particle board  
A punch and backer plate combination is disclosed as an example of the present invention. The punch has a concave recess in its extended end. The punch may be round or have a rectangular shape in...
6918332 Paper punch device  
A paper punch device includes an elongate base having a first end, a second end, a top side and a length greater than nine inches. A compartment is positioned within the base. An aperture...
6880441 Precision punch and die design and construction  
A precision punch and die device for punching holes in a ceramic substrate and method of assembling the device. The device comprises a punch which moves relative to a substrate for punching a hole...
6782787 Adjustable punch having externally accessible rotation release latch  
A punch tool including a punch driver and a punch element. The punch element can include a punch secured to a punch holder, with the punch holder and punch slidably disposed within a punch guide....
6772507 Method of manufacturing magnetic recording medium  
A method of manufacturing a magnetic recording medium having a disc-shaped flexible slave medium accommodated in a case, onto which servo signals are effectively recorded by a magnetic transfer...
6736045 Manually operated corner cutter  
A manually operated corner cutter includes a base, a support and guide device, a blade post, multiple cutting tools, a press and control handle, and a press plate. The support and guide device...
6718859 Hole punch apparatus  
A three hole punch system for use in an image capturing device. The three hole punch system uses elastomer rollers that punch holes in the edge of a document as is passes between the two rollers....
6711977 Portable plate circular arc punch shear structure  
An improved structure for a portable plate circular arc punch shear which has a driver to activate a press plate for leverage pivoting with another end of the press plate to restrict a plunger for...
6698324 Punch unit for punching a hole in a soft metal sheet  
A punch unit (1) is provided with: a punch (2), which is reciprocally driven in a punching operation; and, a die (3), which cooperates with the punch (2) in punching a hole in a soft metal sheet...
6634267 Apparatus and method for removing fasteners from documents  
Apparatus for removing fasteners (13; 63; 113; 163) from documents (12; 62; 112; 162) with a perforator (5; 55; 105; 155; 205) for perforating documents (12; 62; 112; 162) in the area of the...
RE38219 Mold-pressing device  
A mold-pressing device including a seat body formed with a horizontal fissure at one end and a vertical chamber communicated with the fissure. A mold block is disposed in the chamber. One face of...
6598505 Punch actuator monitoring system and method  
A method and apparatus for detecting performance of an apparatus for punching holes in a substrate, ensuring hole quality and/or minimizing or eliminating damage to the films during the hole...
6470777 Low profile side punch for internal drum imagesetter  
A low profile side punch assembly is provided to punch registration openings along the side edge of media in an imagesetter. The side punch assembly includes a punch actuator having a scissors...
6463839 Punch holder apparatus  
A punch holder apparatus includes: a punch holder formed with a punch mounting hole and with an inspection hole in a direction perpendicular to a longitudinal direction of the punch holder; an...

Matches 1 - 50 out of 175 1 2 3 4 >