| Patents for B26F 1 - Perforating; Punching; Cutting-out; Stamping-out; Apparatus therefor (15,656) |
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| 09/08/1981 | US4287801 Device for perforating bakery goods such as English muffins |
| 09/01/1981 | US4286490 Force application apparatus |
| 08/26/1981 | EP0034406A1 Rotary die cutters |
| 08/18/1981 | CA1107152A1 Cooling manifold for multiple solenoid operated punching apparatus |
| 08/11/1981 | US4282940 Apparatus for perforating oil and gas wells |
| 08/04/1981 | US4282053 Tube forming apparatus and method |
| 08/04/1981 | US4281948 Indexing means |
| 07/28/1981 | US4280978 Process of embossing and perforating thermoplastic film |
| 07/28/1981 | CA1106041A2 Method and apparatus for cutting sheet material with improved accuracy |
| 07/14/1981 | US4278871 Arrangement for effecting the superfine perforation of film-like sheeting with the aid of high-voltage pulses |
| 07/14/1981 | US4277996 Force application apparatus, especially for severing materials |
| 07/14/1981 | US4277891 Lens tape cutter |
| 07/14/1981 | US4277890 Device for cutting multiple plies of material |
| 07/14/1981 | CA1105096A1 Method and apparatus for electrical perforation of webs |
| 07/14/1981 | CA1104783A1 Method and apparatus for processing synthetic plastics film |
| 06/30/1981 | US4276336 Thermoplastic nonwoven net fabric |
| 06/30/1981 | US4275633 Apparatus for producing leaded glass articles |
| 06/23/1981 | US4274318 Apparatus for shaping batts of loosely compacted fibrous materials |
| 06/23/1981 | CA1103786A2 Method and apparatus for cutting sheet material with improved accuracy |
| 06/23/1981 | CA1103579A1 Device for cutting out blanks from a web of material |
| 06/16/1981 | US4273738 Method and apparatus for forming, and trimming, three-dimensional work pieces |
| 06/16/1981 | US4273015 Dome head punch |
| 06/16/1981 | US4273014 Device for cutting out blanks from a web of material |
| 06/09/1981 | US4272473 Method for embossing and perforating a running ribbon of thermoplastic film on a metallic pattern roll |
| 06/09/1981 | US4272017 Method and nozzle assembly for fluid jet penetration of a work material |
| 06/02/1981 | US4270910 Apparatus for separating portions of flat material cut-out from a web or sheet |
| 05/27/1981 | EP0029025A1 Working head for a passepartout-machine |
| 05/26/1981 | US4269357 Continuous drip irrigation tube |
| 05/26/1981 | CA1101781A1 Force application apparatus, especially for severing materials |
| 05/26/1981 | CA1101778A1 Method and apparatus for forming and trimming three- dimensional work pieces |
| 05/12/1981 | CA1100864A1 Method and apparatus for improving wear life of rotary die cutter anvil covers |
| 05/05/1981 | CA1100555A1 Method of making high velocity liquid jet |
| 04/21/1981 | US4262419 Hand-held cutter for cutting mounting board and the like |
| 04/15/1981 | EP0026889A2 Frame for paper punching machines |
| 04/15/1981 | EP0026888A2 Frame for paper punching machines |
| 04/14/1981 | US4261237 Rigidly supported molded plastics material punch guide and stripper |
| 04/07/1981 | US4260094 Method of interconnecting several parts, such as a piece of tubing and a plate, a tube or similar body |
| 04/07/1981 | US4259778 Punch and crimp apparatus |
| 03/31/1981 | US4259276 Hole forming |
| 03/24/1981 | US4257300 Apparatus for defacing paper money and similar securities |
| 03/17/1981 | US4256026 Machine tool for stamping and grooving |
| 03/10/1981 | US4254916 Thin wall irrigation emitter tube |
| 03/10/1981 | CA1097150A1 Plastic deformation method for shaping material by using impact pressure of liquid |
| 03/10/1981 | CA1097134A1 Printing blanket hole forming apparatus and method |
| 03/03/1981 | US4254075 Method for forming holes in a member |
| 02/24/1981 | US4253010 Spatially distributed electrostatic perforation of moving webs |
| 02/24/1981 | US4252516 Apparatus for producing perforated film |
| 02/24/1981 | US4252043 Cutting press |
| 02/17/1981 | US4250786 Punching tool |
| 02/17/1981 | US4250785 Turret type punch press having a plurality of strikers |
| 02/11/1981 | EP0023815A2 Apparatus and methods for use in creasing cardboard and like materials |
| 02/10/1981 | US4249437 Automatic mat cutting machine |
| 02/10/1981 | CA1095329A1 Presses |
| 02/03/1981 | US4248822 Process and apparatus for producing a moisture-permeable film |
| 02/03/1981 | US4248117 Die stamping and scoring device, and process for the manufacture thereof |
| 02/03/1981 | US4248116 Guards for cutting instruments |
| 02/03/1981 | CA1094888A1 Pipe perforating machine |
| 01/27/1981 | US4247754 Apparatus for perforating webs of wrapping material for rod-shaped smokers products |
| 01/27/1981 | US4247349 Method and apparatus for cutting plastic film windows for cartons |
| 01/27/1981 | US4247275 Apparatus of forming the mounting portion of a sidewall protector |
| 01/20/1981 | US4245538 Process and apparatus for cutting portions out of a web of material |
| 01/13/1981 | US4244669 Cutter head for cutting templates from cardboards, plastics, and the like |
| 01/13/1981 | US4244255 Article slotting apparatus |
| 01/06/1981 | US4243314 Adjustable width punch marking apparatus for photographic printer |
| 12/23/1980 | US4240572 Combined punching and stapling device |
| 12/23/1980 | US4240314 Centering and wear compensating means for punch presses and the like |
| 12/23/1980 | US4240312 Apparatus for improving wear life of rotary die cutter anvil covers |
| 12/23/1980 | CA1092018A2 Turret punches |
| 12/16/1980 | US4239830 Webbed plastic tubing |
| 12/16/1980 | US4238982 Programmable perforator head |
| 12/16/1980 | CA1091573A1 Punch retainer |
| 12/10/1980 | EP0020083A1 Method and apparatus for embossing |
| 12/09/1980 | CA1091143A1 Container bottom cutting apparatus and method |
| 11/25/1980 | US4236062 Apparatus for electrical perforation of webs |
| 11/18/1980 | US4234375 Cutter-vacuum-plunger applicator |
| 11/18/1980 | US4233873 Permanent magnetic hold down for steel rule dies |
| 11/18/1980 | US4233736 Pressure sensitive picture frame mat opening cutter |
| 11/12/1980 | EP0018684A1 Disposable absorbent structure having a textured macroscopically perforated thermoplastic film topsheet |
| 11/11/1980 | US4233017 Apparatus for debossing and perforating a running ribbon of thermoplastic film |
| 11/11/1980 | US4232575 Arrangement for punching out circular blanks |
| 11/11/1980 | CA1089557A1 Method of cutting sheet material with scheduled supplementation |
| 11/11/1980 | CA1089353A1 Trim cleaning apparatus and method |
| 10/29/1980 | EP0018020A1 Resilient plastic web exhibiting fiber-like properties and method for its manufacture |
| 10/28/1980 | US4230011 Automatic center punch for templates |
| 10/15/1980 | EP0017632A1 Method and apparatus for adjusting roller rings on a shaft |
| 10/15/1980 | EP0017179A1 Process and means (plastic plate) for adjusting rule dies |
| 10/07/1980 | US4226828 Process for producing a reticulated web net |
| 10/07/1980 | US4226150 Deflectable bearer roll |
| 10/07/1980 | US4226149 Apparatus for transversely severing or transversely perforating webs of material |
| 10/01/1980 | EP0016084A1 A machine for treatment of web material. |
| 09/23/1980 | CA1086011A1 Method of producing porous rubber sheeting |
| 09/16/1980 | US4222169 Cutter for cutting out profiles from sheet material |
| 09/09/1980 | CA1085255A1 Adjustable aperture cigarette perforating apparatus |
| 09/02/1980 | US4220272 Precision cutting means |
| 09/02/1980 | CA1085029A1 Closed loop method and apparatus for cutting sheet material |
| 09/02/1980 | CA1084834A1 Perforation method |
| 08/26/1980 | US4219727 Apparatus for perforating a moving web |
| 08/19/1980 | US4218164 Apparatus and method for perforating tubing |
| 08/12/1980 | US4217068 Protecting device of a clamping means for a sheet-shaped material working machine |
| 08/12/1980 | US4216906 Method of making high velocity liquid jet |