| Patents for B26F 1 - Perforating; Punching; Cutting-out; Stamping-out; Apparatus therefor (15,656) |
|---|
| 07/16/1991 | US5031495 Sheet punching cutter |
| 07/11/1991 | DE4000537A1 Cutting tool for plastics films and fabrics - consisting of foil component having cutting edge which corresponds to that of other cutting tool to reduce cutting gap |
| 07/10/1991 | CN1052902A Heat treatment of metallic concave mould |
| 07/09/1991 | US5029506 Paper perforating assembly |
| 07/09/1991 | US5029505 Steel rule die holder |
| 07/09/1991 | US5029392 Two point punch |
| 07/04/1991 | DE3942170A1 Set surface forming appts. for determining wt. per unit area of paper - has stamp exactly fitting recess for paper in die |
| 07/03/1991 | EP0282588B1 Device for boring lining of pipe line |
| 07/02/1991 | US5027683 Punching device for thin plates and punching units used with punching device |
| 07/02/1991 | US5027509 Method for manufacturing a tool cylinder |
| 07/02/1991 | CA1285414C Lock device for manifold forms |
| 07/02/1991 | CA1285366C Apertured film facing and method of making the same |
| 06/27/1991 | WO1991008873A1 Sheet perforation |
| 06/27/1991 | CA2070772A1 Sheet perforation |
| 06/25/1991 | US5027416 Method of recognizing and locating the positions of templates disposed on sheet or plate material |
| 06/25/1991 | US5025691 Punch guide |
| 06/25/1991 | CA1285241C Tamper-evident closure |
| 06/19/1991 | EP0432173A1 Rotary punching machine. |
| 06/18/1991 | US5025260 Measuring system |
| 06/18/1991 | US5024862 Shaping, storing in determined order |
| 06/18/1991 | US5024127 Punching mechanism |
| 06/13/1991 | WO1991008073A1 Board holder in printed board boring machine |
| 06/13/1991 | DE4013071A1 Automatic stamping machine for contouring labels - has label stack aligned and compressed between plungers as stack is pushed through contouring stamp |
| 06/11/1991 | US5022300 Jig for use with punch press |
| 06/11/1991 | US5022298 Rotary handle cutout with heated knife |
| 06/11/1991 | US5022297 Method and apparatus for preparing sheet stacks |
| 06/11/1991 | US5022295 Method and apparatus for maintaining the cutting conditions of a rotary punch constant |
| 06/11/1991 | US5022253 Hand-held punch pliers |
| 06/05/1991 | EP0430499A2 Method and apparatus for manufacturing sheets |
| 06/04/1991 | US5021042 Die cutting apparatus with impressible coating |
| 06/04/1991 | US5020405 Apparatus with moveable pins for spreading and cutting layups of sheet material |
| 05/28/1991 | US5019314 Process for die cutting plastic sheets |
| 05/28/1991 | US5019028 Plastic bobbins |
| 05/28/1991 | US5018418 Apparatus for cutting laminated sheet material |
| 05/23/1991 | DE3938663A1 Procedure for computer-controlled cutting out of shapes - in which outline of shape is projected onto material by computer-controlled light source and manoeuvred using computer input system |
| 05/14/1991 | US5014584 Machine and method for cutting oval shapes |
| 05/14/1991 | US5014436 Circle cutting system |
| 05/14/1991 | CA1284023C Method and apparatus for belt splice preparation |
| 05/11/1991 | CA2031802A1 Jet cutting apparatus for thin web materials and method of cutting |
| 05/08/1991 | EP0425881A1 Machine tool |
| 05/08/1991 | EP0229842B1 Laminator |
| 05/07/1991 | US5012825 Apparatus for perforating running webs of wrapping material and cleaning devices therefor |
| 05/07/1991 | US5012713 Die power pack for cutting apparatus |
| 05/07/1991 | US5012712 Tool holder for punching tools |
| 05/02/1991 | WO1991005642A1 A punch wheel |
| 05/02/1991 | DE3935687A1 Pricking machine for vulcanised tubes - has endless belt contg. series of spring-loaded needles which are adjustably pressed out by device as belt passes over tube |
| 05/02/1991 | DE3935626A1 Stamping and cutting machine - has L=shaped blade whose return face is wider than cross=section of blade |
| 05/02/1991 | DE3935625A1 Fabric stamp - gives point penetration along cutting line of tensed fabric in cutting zone |
| 04/30/1991 | US5011498 From a human eye |
| 04/30/1991 | CA1283601C Knife blade and method for making same |
| 04/25/1991 | DE4032475A1 paper sheet perforating machine - punches holes in paper for filing and sticks reinforcement strip around hole |
| 04/25/1991 | CA2001485A1 Perforated thermoplastic sheets particularly suitable for producing containers for food products |
| 04/24/1991 | EP0424332A2 A tenoning machine |
| 04/24/1991 | EP0424025A1 Punch and die set having improved slug management system |
| 04/24/1991 | EP0423167A1 Process and installation of manufacturing a perforated tubular plastic foil by action of a laser beam, perforated plastic foil and plastic bag formed from such a tubular plastic foil |
| 04/23/1991 | US5009138 Rotary cutter device |
| 04/18/1991 | WO1991004848A1 Perforator/crusher for plastic bottles |
| 04/18/1991 | WO1991004808A1 Method and apparatus for aligning mating form tools |
| 04/18/1991 | DE4003059C1 Stamping tool for cartons - has a stamper and a metal opposing plate, a dual-component reaction plastic carrier plate and a frame unit |
| 04/18/1991 | DE3934585A1 Straight edge for cartons etc. - with inclined gap for blade between two rails |
| 04/17/1991 | EP0423052A2 Punching mechanism |
| 04/17/1991 | EP0422368A2 Auxiliary clamping method for the tool in a stamping press |
| 04/17/1991 | EP0422062A1 Compass |
| 04/16/1991 | US5007782 Combined paper punch and binding apparatus |
| 04/16/1991 | US5007320 Compass |
| 04/16/1991 | US5007316 Apparatus for cutting sheet materials |
| 04/10/1991 | EP0421497A1 Method and device for the intermittent performance of an after treatment of a strip |
| 04/09/1991 | US5005458 Low cost punch mechanism |
| 04/09/1991 | US5005318 Method and apparatus for cutting glass blanks |
| 04/03/1991 | EP0419754A1 Apparatus for cutting a flat material |
| 04/03/1991 | EP0419632A1 Cutting and trimming plastic pot |
| 04/02/1991 | US5003854 Device for fastening a die on a tool carrier cylinder of a rotary machine |
| 03/27/1991 | EP0418768A2 Stamping die and method of manufacture |
| 03/27/1991 | EP0418242A1 Arrangement for production of sections cut out from a material web, such as sections for articles of clothing. |
| 03/26/1991 | US5001956 Knife for perforating plastic sheet material |
| 03/26/1991 | US5001952 Rotary cutter |
| 03/26/1991 | US5001950 Rotary die cutter |
| 03/21/1991 | WO1991003358A1 Strip steel stamping and grooving tool and process for setting it |
| 03/21/1991 | WO1991003352A1 Slotted punching plate |
| 03/12/1991 | US4999231 Method and product to enhance electrical conductivity of films containing conductive carbon black |
| 03/07/1991 | WO1991002636A1 Hole punch with positioning rail |
| 03/07/1991 | WO1991002635A1 Catch device for positioning bar of paper punches |
| 03/07/1991 | WO1991002634A1 Paper punch |
| 03/07/1991 | WO1991002633A1 Paper punch |
| 03/07/1991 | WO1991002632A1 Paper punch |
| 03/07/1991 | WO1991002622A1 Cutting roller or punching cylinder and process for manufacturing |
| 03/07/1991 | DE3929415A1 Stanz - rillplatte Punching - scoring plate |
| 03/06/1991 | EP0414796A1 A drawing or cutting machine of the plotter type and with means for advancing a working web from a supply reel |
| 03/06/1991 | CN1049626A File puncher with guard rail |
| 03/05/1991 | US4997319 Apparatus for drilling a hole in a printed circuit board |
| 03/05/1991 | CA1281001C Tamper-evident container-closure and method for making the same |
| 02/28/1991 | DE4021506A1 Paper punch - with punchings tray, detent piece and stop rail made of different plastic materials as specified |
| 02/27/1991 | CN2072009U Perforator for binding paper page with internal removing paper scrap fealture |
| 02/27/1991 | CN1049473A File puncher |
| 02/27/1991 | CN1049472A Positioning device of guard rail in file puncher |
| 02/27/1991 | CN1049471A File puncher |
| 02/27/1991 | CN1049470A File puncher |
| 02/27/1991 | CN1011793B Alloy steel used for cutting edge of high-speed cold shears |
| 02/27/1991 | CN1011766B Shearing-crushing sponge titanium and proper equipment thereof |
| 02/26/1991 | US4996651 Cutting instrument improvement for X-Y plotter |