Patents
Patents for B26F 1 - Perforating; Punching; Cutting-out; Stamping-out; Apparatus therefor (15,656)
08/1980
08/12/1980US4216776 Disposable aortic perforator
08/12/1980US4216690 Apparatus for perforating slices of food product
08/12/1980US4216687 Method for shaping and/or cutting batts of loosely compacted fibrous materials
08/05/1980US4215610 Apparatus for perforating a foil
08/05/1980US4215606 Frangible strip of clips and method of making it
08/05/1980CA1083031A1 Method and apparatus for producing openings in sheet material
07/1980
07/29/1980US4214945 Method of making a perforated tubular member
07/23/1980EP0013626A2 Apparatuses and methods for perforating tubing
07/23/1980EP0013327A1 Punching device for thin plate-shaped workpieces
07/22/1980US4213361 Perforation method
07/22/1980CA1082097A1 Angularily settable punch and die apparatus
07/15/1980CA1081602A2 Method and apparatus for fabricating vent plate having bow-tie slot arrangement
07/15/1980CA1081601A1 Apparatus for the separation of cut portions from flat material
07/08/1980CA1080976A1 Sharpener mounting structure and knife guard for circular knife type of cloth cutting machine
07/01/1980US4210048 Automatic punch
07/01/1980US4210047 Die cutting machine with magnetic holder for accurate die positioning
07/01/1980US4210046 Cross beam press and control
07/01/1980US4210041 Method for cutting a plurality of identical, irregular, non-polygonal pieces from material with minimum waste
07/01/1980CA1080611A1 Rotary die lock structure
06/1980
06/25/1980EP0012233A1 Perforating tool for tiles or the like
06/24/1980US4209129 Cooling manifold for multiple solenoid operated punching apparatus
06/10/1980US4207458 Method of electrically perforating a planar web
06/10/1980US4206667 Tool holding apparatus for presses
06/03/1980US4205548 Stamping tools
05/1980
05/27/1980US4204447 Apparatus for perforating corrugated plastic pipe
05/13/1980US4203028 Apparatus for treating optical fibers by spark erosion
05/13/1980US4202229 Apparatus for transversely severing or transversely perforating webs of material
05/06/1980US4201531 Reinforced bearing aperture in thermoplastic sheet material
05/06/1980CA1076950A1 Index cover for knock-out punch
04/1980
04/29/1980US4200429 Device for making rectangular cuts, prints and/or stampings
04/29/1980US4200019 Table stop for a cutting machine
04/29/1980US4200015 Closed loop method and apparatus for cutting sheet material
04/29/1980US4199971 Method for the manufacture of profiled reed blades for loom reeds
04/22/1980US4198884 Method of manufacturing a punching die
04/16/1980EP0009888A1 Apparatus for forming tubes in a continuous manner
04/15/1980US4197908 Apparatus for porting a side wall of a conduit from interiorly thereof
04/01/1980US4195557 Cutting, scoring and embossing die set
04/01/1980US4195541 Apparatus for perforating webs of photosensitive material in copying machines or the like
04/01/1980US4195404 Cutting machine with an oscillating knife
03/1980
03/25/1980US4194423 Compact die cutting apparatus
03/18/1980US4193191 Turret punch
03/11/1980CA1073341A1 Cutting press with stroke terminating means
03/04/1980US4190955 Golf tee awl and pivoted sheath
02/1980
02/26/1980US4190386 Method of producing holes free of accretions in circuit boards made of plastic
02/26/1980CA1072371A1 Banknote invalidating machine
02/21/1980WO1980000231A1 A machine for treatment of web material
02/20/1980EP0008135A1 Welding method for joining a branch pipe to the wall of a tube or a vessel
02/19/1980CA1072219A1 Method of forming viaducts in semiconductor material
02/19/1980CA1071807A1 Apparatus for binding books
02/12/1980US4187752 Rotary die lock structure
02/06/1980EP0007488A1 Device for finely perforating film-like webs of material by high tension pulses
02/06/1980EP0007452A1 Perforator
02/05/1980US4186632 Cutting system for slab-type materials
02/05/1980US4186581 Drive arrangement for a tool carriage of a machine tool
01/1980
01/22/1980US4184831 Apparatus for producing plastic drain pipes
01/08/1980CA1069428A1 Compound angle cutting edge and method of using same
01/08/1980CA1069385A1 Method and arrangement for fastening and centering punching tools
01/01/1980US4181051 Method of making fluid-issuing openings through the walls of flexible plastic members, particularly dripper emitters
12/1979
12/27/1979WO1979001139A1 Working head for a passepartout-machine
12/25/1979US4180540 Method of making a reinforced bearing aperture in thermoplastic sheet material
12/25/1979US4180357 Apparatus and method for perforating tubing and method of producing part of such apparatus
12/25/1979CA1068791A Spark erosion by two parallel spaced wire electrodes
12/25/1979CA1068597A Apparatus for cutting a strip of material
12/25/1979CA1068596A Assembly for enabling close tolerance punching with a reusable system
12/18/1979US4178820 Method and apparatus for cutting sheet material with improved accuracy
12/18/1979CA1068211A1 Method and device for manufacturing perforated plastic pipes
12/11/1979US4177659 Rotatable piercing tools for forming holes surrounded each by a boss in metal plates or the wall of metal tubes
12/04/1979US4176567 Method of making a tear line-forming perforation in a sealed marginal portion of a bag and a sealed bag formed thereby
11/1979
11/27/1979US4175477 Plate type punching machine
11/27/1979US4175457 Binding hole punch apparatus
11/20/1979US4174648 Punch retainer
11/13/1979US4173913 Hole cutter having rotatable blade carrier
11/06/1979CA1065776A1 Corrugated pipe
10/1979
10/30/1979CA1065413A1 Method and apparatus for electrically perforating dielectric webs
10/16/1979CA1064390A2 Compound angle cutting edge and method of using same
10/16/1979CA1064388A1 Self-adjusting punch device
10/09/1979CA1063924A1 Punch and stripper assembly
09/1979
09/25/1979US4168644 Reciprocating tool machine particularly for stamping or nibbling
09/19/1979EP0003984A2 Method and apparatus for cutting pieces out of a web
09/18/1979US4168136 Self-threading ribbon conveyor
09/18/1979CA1062604A2 Compound angle cutting edge and method of using same
09/11/1979US4167131 Skip perforator
09/11/1979US4167130 Method for cutting sheet moulding compound reinforcing strands
09/11/1979CA1062341A1 Apparatus and method for electrically perforating moving webs
09/04/1979US4166404 Hand punch
09/04/1979CA1061726A1 Double-walled corrugated plastic tubes
09/04/1979CA1061706A2 Compound angle cutting edge and method of using same
08/1979
08/21/1979US4165028 Method for controlling a web of material
08/21/1979US4164881 Die chase apparatus
08/21/1979CA1060775A1 Apparatus for perforating tubing
08/14/1979US4164076 Universal die mounting plate system
08/07/1979CA1059894A1 High speed punching apparatus and tool therefor
07/1979
07/24/1979CA1059197A1 Ink jet nozzle structure and method of making
07/24/1979CA1058917A1 Cutting die assembly
07/17/1979US4161382 Apparatus for producing a container matrix
07/10/1979US4160396 Apparatus for the perforation of tracks of goods
07/03/1979US4160055 Controlled porosity of uncured reinforced thermo-setting plastic material
06/1979
06/26/1979US4158977 Mat cutter using supported razor blade
06/19/1979US4158534 Apparatus for cutting openings at arbitrarily selectable intervals into pipes
06/12/1979CA1056297A1 Graphic arts t-bar razor