| Patents for B26F 1 - Perforating; Punching; Cutting-out; Stamping-out; Apparatus therefor (15,656) |
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| 01/09/1992 | DE4121513A1 Cutting machine for plate type material using beam e.g. laser - includes table arranged on machine bed for reception of material with radiation source above |
| 01/08/1992 | EP0464926A2 Process and disposition for assembling printed circuit boards |
| 01/08/1992 | EP0464625A2 Cutting head for sheet-like products, particularly fabrics for the clothing industry |
| 01/02/1992 | EP0463693A2 Apparatus and system for punching printed circuit boards |
| 01/01/1992 | CN2091754U Edge trimmer for rubber plug |
| 12/26/1991 | WO1991019598A1 Device for the intermittent performance of an after treatment of a strip |
| 12/17/1991 | US5072507 Die changeover apparatus for box blank cutting machine |
| 12/11/1991 | EP0460369A1 Method and apparatus for electrical perforation of paper for cigarettes |
| 12/10/1991 | US5070584 Zipper for a reclosable thermoplastic bag and a process and apparatus for making |
| 12/05/1991 | DE4117938A1 Perforation method for PCB - partially depth drilling followed by laser finishing to required depth |
| 12/03/1991 | CA1292794C System for processing a web |
| 11/28/1991 | WO1991017872A1 Etching method, etching stencil and apparatus for manufacture of stencil |
| 11/27/1991 | EP0458225A1 Method and apparatus for preparing sheet stacks |
| 11/26/1991 | US5067859 Method for drilling small holes in printed circuit boards |
| 11/26/1991 | US5067339 Cutting and forming tool for complicated flat structures |
| 11/26/1991 | US5067242 Multiple design punch and embosser |
| 11/26/1991 | CA2043013A1 Method and apparatus for preparing sheet stacks |
| 11/21/1991 | EP0457300A2 Apparatus for spreading and cutting layups of sheet material |
| 11/19/1991 | US5066450 Forming Of Perforation Patterns In Structures |
| 11/19/1991 | US5066352 Method and apparatus for forming composite pieces from composite sheet material |
| 11/19/1991 | US5066171 Method for drilling a printed circuit board |
| 11/19/1991 | US5065517 Circle cutter |
| 11/16/1991 | WO1991018378A1 Stamps |
| 11/14/1991 | WO1991017029A1 Exact cutting to size in relation to a pattern repeat |
| 11/14/1991 | WO1991017028A1 Process for cutting out a blank |
| 11/14/1991 | WO1991017027A1 Rotary die cutting system for sheet material |
| 11/13/1991 | EP0456393A1 Head assembly for magnetic repulsion punch |
| 11/13/1991 | EP0455829A1 Board holder in printed board boring machine |
| 11/13/1991 | CN1056079A Method and apparatus for shaping slits on tape |
| 11/12/1991 | US5064130 Cutting plant for cutting blanks out of a starting strip |
| 11/12/1991 | US5063615 Coextruded plastic belt strap, buckle and belt |
| 11/12/1991 | CA1292033C Boring device for a lining material applied onto the inner surface of a pipe line |
| 11/06/1991 | EP0454753A1 A process and an apparatus for die-cutting of packaging material. |
| 11/05/1991 | US5062332 Cutting machine for cutting flat workpieces |
| 11/05/1991 | US5062331 Apparatus and method for edge notching a continuously moving web |
| 11/02/1991 | WO1991017026A1 Device for forming slits and method of forming the same |
| 10/31/1991 | DE4013837A1 Rapportgenaues zuschneiden Accurate crop report |
| 10/31/1991 | DE4013836A1 Verfahren zum ausschneiden eines zuschnitteils Method of a pattern piece cut |
| 10/30/1991 | EP0453986A2 Method for controlling the parallelism of two beams of a press |
| 10/30/1991 | EP0453711A1 Procedure for withdrawing and depositing of punched out piles of sheets or similar piles of lamellar material from an entire pile and device for this |
| 10/30/1991 | EP0453505A1 Transdermal acrylic multipolymer drug delivery system |
| 10/29/1991 | US5061057 Porous contact lens and method for making it |
| 10/29/1991 | US5060363 Apparatus and method for forming holes in thermoplastic webbing |
| 10/24/1991 | DE4115579A1 Stamping press with slewing arm - has plain bearings for static transmission of stamping loads in arms |
| 10/22/1991 | CA1291249C Matching method and device for automatic cutting of patterned fabrics |
| 10/17/1991 | WO1991015343A1 Punch-holder block and process for mounting punches on said block |
| 10/17/1991 | WO1991015342A1 Creation of images |
| 10/17/1991 | DE4010871A1 Paper stamping tool with wiper strips - has wiper strips pressed into slots NC machined at precise distance each side of cutting edge |
| 10/10/1991 | DE4010870A1 Support plate for steel-stamping tools - contains stiffening skeleton of welded outer steel strips and grid bars |
| 10/08/1991 | US5054971 Apparatus for removing damaged portions of rubber components |
| 10/08/1991 | US5054349 Procedure and apparatus for perforating a product in sheets and perforated product obtained like this |
| 10/08/1991 | US5054188 Trim cut and form machine |
| 10/03/1991 | WO1991014886A1 Process and device for causing a surface to reciprocate in a plane |
| 10/03/1991 | WO1991014885A1 Device for guiding a movement |
| 10/03/1991 | WO1991014550A1 Device for performing an operation at a given pitch on a strip |
| 10/03/1991 | WO1991014549A1 Process and device for the continuous production of irrigation hosepipe |
| 10/02/1991 | EP0449421A1 Anti-bird netting |
| 10/02/1991 | EP0225927B1 Method and device for boring films for film pasting apparatuses |
| 10/01/1991 | US5052258 Cutter |
| 10/01/1991 | US5052207 Apparatus for, and a method of, cutting a blank |
| 09/25/1991 | EP0448508A1 Punching device |
| 09/25/1991 | EP0448403A2 Tape cutter device |
| 09/24/1991 | US5050472 Contour cutting machine |
| 09/24/1991 | CA2037443A1 Anti-bird netting |
| 09/24/1991 | CA1289442C Process for the production of a veneer workpiece with cutout, as well aspressure punching tool for performing the same |
| 09/19/1991 | DE4007750A1 Paper punch for perforating papers to be filed - has punch rod mounted on carriage which slides laterally in either direction and can also be adjusted at right angles |
| 09/18/1991 | EP0446760A1 Zipper for reclosable thermoplastic bag, process and apparatus for making |
| 09/18/1991 | EP0446702A2 Apparatus to remove pieces cut from a bent material or similar |
| 09/17/1991 | US5048190 Rectangular hole cutter |
| 09/17/1991 | US5048182 Methods for fabricating pattern rolls |
| 09/13/1991 | CA2037981A1 Apparatus for removing break-out portions from a sheet of material or the like |
| 09/11/1991 | EP0445482A1 Method and apparatus for the production of a headrest with an articulated insert |
| 09/10/1991 | US5046197 Molded plastic belt and buckle |
| 09/10/1991 | CA1288875C Method for perforating solid sheet material through impingement with particules |
| 09/05/1991 | WO1991012957A1 A device for manufacturing three-dimensional objects |
| 09/05/1991 | DE4006611A1 Paper cutting-perforation wheel - has projecting cutter blade clamped between holder discs |
| 09/04/1991 | EP0444418A2 Apparatus and method for producing shaped composite pieces and a cutter for cutting sheet material |
| 09/03/1991 | US5044245 Rotary precision circle cutter |
| 09/03/1991 | US5044242 Cutter shaft of perforator |
| 09/03/1991 | US5044238 Cutting and punching apparatus for sheet material |
| 08/27/1991 | US5042339 Method and apparatus for cutting successive segments of sheet material with cut continuation |
| 08/27/1991 | US5042338 Method and apparatus for cutting slit notches in pattern pieces cut from sheet material |
| 08/27/1991 | US5042336 Control apparatus and method for progressive fracture of workpieces |
| 08/22/1991 | DE4104509A1 Tool for stamping paper and plastics sheet - has cutting strip clamped in gap between punch blocks having integral spacing tabs |
| 08/21/1991 | CN1013587B Thermal treatment method for die of printed-wiring board |
| 08/20/1991 | US5040442 Laminate cutting apparatus |
| 08/20/1991 | US5040441 Punching device |
| 08/14/1991 | EP0227760B1 Method and tool for punching plaster plates |
| 08/13/1991 | US5038989 Apparatus for partially slitting absorbent boards |
| 08/13/1991 | US5038651 Device for cutting shaped holes |
| 08/13/1991 | US5038547 Method for producing an easily openable tightly sealed bag |
| 08/06/1991 | US5036574 Multiple piercing apparatus and method |
| 08/06/1991 | CA1287326C Scoring arrangement for a tamper-indicating plastic closure |
| 07/30/1991 | US5035684 Pad sander paper punch assembly and method |
| 07/30/1991 | US5035163 Punches and dies for trimming the edges of strip material |
| 07/25/1991 | WO1991010543A1 Device for punching holes in artificial fingernails |
| 07/23/1991 | US5033668 Foldable container and method for making the same |
| 07/23/1991 | US5033346 Sheet cutting machine, and cutting head and clamping assemblies therefor |
| 07/17/1991 | EP0437288A2 Apparatus for cutting and grinding glass blanks |
| 07/16/1991 | US5032207 One-step method for forming a pressure-sensitive adhesive transdermal drug device |