| Patents for B26F 1 - Perforating; Punching; Cutting-out; Stamping-out; Apparatus therefor (15,656) |
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| 02/21/1978 | US4074595 Means for producing die board and cutting rules for same |
| 02/07/1978 | US4072039 Method for forming counter-sunk hole in a base material and an apparatus for carrying out the same |
| 01/31/1978 | US4071899 System and method for the measurement of repetitive patterns |
| 01/17/1978 | US4068997 Cutting means for book binding machine |
| 01/17/1978 | US4068366 Method and apparatus for producing openings in sheet material |
| 01/10/1978 | US4067112 Cutting guide for custom mats |
| 01/03/1978 | US4066491 Method of simultaneously etching multiple tapered viaducts in semiconductor material |
| 01/03/1978 | US4065990 Method and apparatus for preparing film for exposure with a film font |
| 01/03/1978 | US4065853 Portable punch and die jig |
| 12/27/1977 | US4065538 Heating to fuse dust particles |
| 12/20/1977 | US4063477 Apparatus and method for cutting carpet |
| 12/20/1977 | US4063476 Method and apparatus for cutting a continuously moving web |
| 12/13/1977 | US4062116 Fabric cutting tool |
| 12/13/1977 | US4062111 Sharpener mounting structure and knife guard for circular knife type of cloth cutting machine |
| 12/06/1977 | US4061436 Banknote invalidating machine |
| 12/06/1977 | US4061148 Perforating apparatus for articles |
| 12/06/1977 | US4061065 Carpet cutting device |
| 12/06/1977 | US4060893 Cutter |
| 11/29/1977 | US4060366 Tube perforator |
| 11/29/1977 | US4060016 Method and apparatus for blanking out pattern pieces from a layup |
| 11/29/1977 | US4060015 Apparatus and method for manufacturing resilient bands |
| 11/22/1977 | US4059480 Method of forming viaducts in semiconductor material |
| 10/25/1977 | US4055101 Roll fed rotary web device with improved perforator |
| 10/25/1977 | US4055098 Manufacturing corrugated perforated plastic tubes |
| 10/11/1977 | US4052920 Machine for perforating high density poly-ethylene film or the like film material |
| 10/11/1977 | US4052886 Encavitated steel rule die |
| 10/11/1977 | US4052880 Pipe perforating machine |
| 09/27/1977 | US4050362 Process and apparatus for blanking cardboard and the like |
| 09/27/1977 | US4050337 Turret alignment system |
| 09/27/1977 | US4050336 Insulation cutter |
| 09/27/1977 | US4050154 Perforating tool |
| 09/20/1977 | US4048891 Cutter mechanism for cutting sheet material |
| 09/20/1977 | US4048888 Machines for cutting cardboard and other articles |
| 09/20/1977 | US4048835 Method of punching a small hole in a precision mechanics workpiece |
| 08/30/1977 | US4044464 Circular cutting device |
| 08/16/1977 | US4041815 Method for perforating roofing sheet material |
| 08/09/1977 | US4040320 Punching machines |
| 08/02/1977 | US4038751 Mat cutting device |
| 07/26/1977 | US4038513 Process for energy beam perforation, especially electron beam perforation, of multi-layered artificial leather |
| 07/26/1977 | US4037499 Method and apparatus for perforating fibrous board surfaces in non-repetitive patterns |
| 07/19/1977 | US4036486 Stop means for mat board cutter |
| 07/19/1977 | US4036088 Paper punch with variable spacing |
| 07/12/1977 | US4035611 Apparatus for electrically perforating moving paper webs |
| 07/05/1977 | US4033572 Sheet-plate positioning device for machine tools |
| 07/05/1977 | US4033214 Blade sharpener |
| 07/05/1977 | US4033037 Method and means for punching sheet members |
| 06/28/1977 | US4031787 Punch and stripper assembly |
| 06/28/1977 | US4031783 Tattoo etching machine |
| 06/21/1977 | US4030390 Apparatus for cutting items from a sheet |
| 06/14/1977 | US4029938 Apparatus for electrically perforating moving webs |
| 06/14/1977 | US4029539 Apparatus for forming a stretchable tubular packaging material |
| 06/07/1977 | US4028170 Reinforcing hole punch device |
| 06/07/1977 | US4028167 Label applicator for automatically controlled cutting machine |
| 06/07/1977 | US4027828 Perforating machine |
| 05/24/1977 | US4025752 Apparatus for electrically perforating dielectric webs |
| 05/24/1977 | US4025599 Thermoplastic |
| 05/24/1977 | US4024894 Perforated corrugated tube and method and apparatus for manufacturing the same |
| 05/24/1977 | US4024633 Simplified safety guard for a cloth cutting machine |
| 05/10/1977 | US4022095 Picture mat cutter |
| 05/10/1977 | US4022090 Electrically actuated punch press |
| 05/03/1977 | US4020725 Perforating apparatus |
| 05/03/1977 | US4020724 Rotary cutting die |
| 05/03/1977 | US4020554 Portable punch |
| 04/19/1977 | US4018120 Stop attachment for mat cutting device |
| 04/12/1977 | US4016805 Method for the manufacture of dunnage bag liners |
| 04/12/1977 | US4016786 Method of and apparatus for stamping out sheet material blanks |
| 04/05/1977 | US4015917 Apparatus for making reinforced wicket hole directionally tear prone |
| 03/29/1977 | US4014257 Apparatus for die cutting indicia on a multilayer tape |
| 03/22/1977 | US4012978 Die cutting rule |
| 03/15/1977 | US4012275 Apparatus for making plastic gloves |
| 03/08/1977 | US4010666 Perforating blade |
| 03/08/1977 | US4010543 Hole cutting apparatus |
| 03/01/1977 | US4010298 Underground irrigation devices and methods of making and using the same |
| 03/01/1977 | US4009625 Self-stripping punch with ears |
| 02/22/1977 | US4008638 Die assembly for forming openings in workpieces |
| 02/22/1977 | US4008501 Electrically actuated punching and binding apparatus |
| 02/08/1977 | US4007349 Inductive method for cutting cloth |
| 02/08/1977 | US4006599 Plastic drain pipe and apparatus for producing the same |
| 01/25/1977 | US4004481 Device for making a perforation in film material |
| 01/11/1977 | US4002519 Plastic film |
| 01/11/1977 | US4002092 Compound angle cutting edge and method of using same |
| 01/04/1977 | US4001645 Die press control apparatus |
| 01/04/1977 | US4000673 Punching machine |
| 01/04/1977 | US4000672 Slitting machine for corrugated pipe |
| 12/21/1976 | US3998139 Drive mechanism for a movable platen |
| 12/21/1976 | US3998119 Process and apparatus for punching sheets or webs of paper, cardboard or similar material |
| 12/14/1976 | US3996832 Punch for producing holes in foamed thermoplastic containers |
| 12/14/1976 | US3996827 Cutter for mats |
| 12/07/1976 | US3995518 Means and methods for punching holes in catheters |
| 11/30/1976 | US3994194 Cutting apparatus |
| 11/30/1976 | US3994035 Book binding machine |
| 11/16/1976 | US3991706 Marking apparatus utilizing a dye thread |
| 11/16/1976 | US3991642 Turret press |
| 11/09/1976 | US3990827 Apparatus for making corrugated plastic pipe with integral coupler collars |
| 11/09/1976 | US3990333 Method of forming a filter by die-cutting |
| 10/26/1976 | US3987696 Die press with movable die carriage having controls thereon |
| 10/26/1976 | US3987695 Hole punch device for selectively punching different arrays of holes in sheet material |
| 10/19/1976 | US3987264 Method, apparatus and product relating to electrical contact |
| 10/12/1976 | US3985997 Method and apparatus for cutting cloth |
| 10/12/1976 | US3985600 Method for slitting a film |