Patents
Patents for B26F 1 - Perforating; Punching; Cutting-out; Stamping-out; Apparatus therefor (15,656)
06/1979
06/05/1979US4157237 Molding element for producing thermoplastic film
06/05/1979CA1055837A1 Apparatus for cutting openings in a trickle irrigation pipe
05/1979
05/30/1979EP0002132A2 Method of forming lines of definition in a strip of clips
05/29/1979CA1055279A1 Method for forming counter-sunk hole in a base material and an apparatus for carrying out the same
05/22/1979US4155693 Embossed screen assembly
05/15/1979US4154130 Cutting press with stroke terminating means
05/15/1979CA1054511A1 Roll fed rotary web device with improved perforator
05/01/1979US4152384 Stretching, rupturing, fillers
05/01/1979US4151769 Tube louvering machine
04/1979
04/24/1979US4151240 Method for debossing and perforating a running ribbon of thermoplastic film
04/24/1979US4150934 Apparatus for the chip-free manufacture of axially symmetrical solid bodies of various diameters along their longitudinal extension, made of a soft resilient plastics material
04/24/1979CA1053145A1 Electrically actuated punch press
04/17/1979US4149435 Key slug knockout tool
04/10/1979USRE29958 Punch and stripper assembly
04/10/1979US4148324 Perforating device
04/10/1979CA1052260A1 Capstan tool holder for a punching machine
03/1979
03/27/1979CA1051339A1 Method and nozzle assembly for fluid jet penetration of a work material
03/20/1979US4145387 Method of manufacturing double-wall plastic tubing in which the outer wall has transverse corrugations and the inner wall is smooth
03/20/1979US4144783 Apparatus for blanking sheet materials
03/13/1979CA1050351A1 Combined punch press and cutting torch with workpiece supporting means
03/06/1979CA1049922A2 Cutoff die
02/1979
02/20/1979US4140137 Adjustable aperture cigarette perforating apparatus
02/20/1979US4140037 Method of cutting sheet material with scheduled supplementation
02/20/1979CA1048923A1 Multi-part punch and method of forming same
02/13/1979CA1048401A1 Rotary panel cutter for cutting openings in a web
02/13/1979CA1048400A1 Tube slotter
02/06/1979CA1047915A1 Idler roller assembly for punch press feed
02/06/1979CA1047908A1 Sheet-plate positioning device for machine tools
01/1979
01/30/1979CA1047389A1 Machine for perforating high density polyethylene film or the like film material
01/24/1979EP0000387A1 A method of embossing and perforating thermoplastic films
01/23/1979CA1046726A1 Reinforced wicket hole directionally tear prone
01/16/1979US4134319 Rotary punching apparatus
01/09/1979US4133236 Sharpenable cutting blade with skew-cut notches for use in sheet material cutting apparatus
01/09/1979US4133235 Closed loop apparatus for cutting sheet material
01/09/1979US4133234 Method and apparatus for cutting sheet material with improved accuracy
01/09/1979US4133233 Programmed method and apparatus for cutting sheet material with a sharpenable blade
01/09/1979CA1045968A1 Perforating apparatus
01/02/1979US4132519 Controlled porosity of uncured reinforced thermo-setting plastic material
12/1978
12/26/1978US4131042 Apparatus for cutting and removing dry film photoresist from printed wire boards
12/26/1978US4131040 Printing blanket hole forming apparatus and method
12/19/1978US4130042 Adjustable anvil roll for die-cutting labels
11/1978
11/14/1978US4125045 Sheet punching machine
11/07/1978US4123956 Self-adjusting punch device
11/07/1978CA1041863A1 Perforated cigarette tipping paper
10/1978
10/31/1978US4122590 Means and method of installing emitters in irrigation tubing
10/03/1978CA1039496A1 Tool guide for tracing or cutting shapes from sheets
09/1978
09/26/1978US4116100 Device for fastening cutting dies on a base plate
09/26/1978CA1039177A1 Apparatus and method for perforating tubing
09/19/1978US4115683 Laser piercing of materials by induced shock waves
09/19/1978US4115681 Method and apparatus for cutting cloth
09/19/1978US4115303 Irradiation
09/19/1978US4115001 Web marking apparatus
09/12/1978US4113818 Corrugated plastic
09/12/1978US4112827 Method of making cutting, scoring and embossing die set
09/12/1978US4112810 Tube slotter
09/12/1978US4112795 Process for perforating plastics tubes
09/12/1978CA1038279A1 Process and apparatus for perforating plastics tubes
09/05/1978CA1037814A1 Cigarettes
08/1978
08/29/1978CA1037535A1 Method and product relating to electrical contact devices
08/29/1978CA1037376A1 Apparatus and method for perforating roofing sheet material
08/29/1978CA1037216A2 Cuspated sheets
08/22/1978US4107842 Eyelet removing punch
08/22/1978US4107839 Manually guided cutting machine for sheet material
08/15/1978US4106379 Apparatus for trimming three-dimensional workpieces
08/15/1978US4106183 Combined punch press and cutting torch with workpiece supporting means
08/08/1978US4104942 Device for manufacturing perforated plastic pipes
08/08/1978US4104941 Assembly for enabling close tolerance punching with a reusable system
08/01/1978US4104349 Method of making a perforated, molded container
08/01/1978US4103580 Die boards and method of producing cutting rule for same
08/01/1978US4103413 Method and arrangement for fastening and centering punching tools
07/1978
07/25/1978US4103137 Cutting of materials by spark erosion
07/18/1978US4100844 Box blank punching tool
07/18/1978US4100640 Binding machine
07/11/1978US4100396 Method for electrically perforating moving webs
07/04/1978US4098161 Apparatus for performing sequential fabricating operations on a workpiece
07/04/1978US4098160 Adjustable cutting device
07/04/1978US4098159 Shrink film perforating unit
06/1978
06/27/1978US4096631 Mat cutting machine
06/20/1978US4095498 Diecutter
06/13/1978US4094324 Perforated cigarette tipping paper
06/06/1978US4093684 Solid solderable polyurethane data signal recording medium
06/06/1978US4092890 Stencil-cutting machine
06/06/1978US4092777 Cutting-out machine for flat material
05/1978
05/30/1978US4091700 Press-head
05/23/1978US4090298 Golf tee awl
05/16/1978US4089244 Stamping or nibbling machine having a workpiece feed operable in accordance with the weight and center of gravity of the workpiece
05/16/1978US4089242 Method and apparatus for forming gaskets and the like
05/16/1978US4089106 Method for producing electrical contacts
05/16/1978US4089090 Arrangement for perforating a stripe
05/09/1978US4088142 Cigarettes
05/09/1978US4087913 Utility fixture locator and cutter
05/02/1978US4086834 Apparatus for die cutting sheets of die cuttable material
04/1978
04/18/1978US4084490 Container bottom cutting apparatus and method
04/11/1978US4083273 Hole punching method and apparatus
04/04/1978US4082026 Portable press
03/1978
03/21/1978US4079647 Sheet punching apparatus
03/14/1978US4078956 Method and apparatus for die cutting at least one blank in a sheet
03/14/1978US4078463 Method and apparatus for cutting small shaped pieces from stacks of compressible sheet insulating materials
03/07/1978US4077288 Vertical entry multiple paper punch
03/07/1978US4077185 Apparatus for manufacturing and wrapping labels