Patents
Sitemap › B26 - Hand cutting tools; Cutting; Severing › B26F - Perforating; Punching; Cutting-out; Stamping-out; Severing by means other than cutting › B26F 1 - Perforating; Punching; Cutting-out; Stamping-out; Apparatus therefor
Patents for B26F 1 - Perforating; Punching; Cutting-out; Stamping-out; Apparatus therefor (15,656)
10/1982
10/19/1982US4355226 Apparatus for the spark perforation of sheet materials
10/19/1982US4354314 Hand-held cutter and blade holder for cutting mounting board and the like
10/12/1982US4353491 Method for shaping and partitioning a fibrous batt
10/12/1982CA1133321A1 Method and apparatus for embossing and perforating a running ribbon of thermoplastic film on a metallic pattern roll
10/05/1982US4352610 Method and tool for generating holes in composite materials
09/1982
09/28/1982US4351784 Corona treatment of perforated film
09/28/1982US4351210 Shear cut tooth
09/28/1982US4351111 Machine tool for scribing arcs and circles
09/22/1982EP0060397A1 Punching tool for the wasteless blanking of packing strips
09/01/1982EP0059019A1 A cutting die assembly for cutting tobacco leaf and apparatus provided with such a die assembly
08/1982
08/25/1982EP0058547A1 Apparatus for cutting printing plates
08/24/1982US4346284 Dual path web transport and processing apparatus with radiant energy directing means
08/24/1982US4345496 Apparatus for working on successive segments of sheet material
08/18/1982EP0057782A2 Cloth-cutting machine
08/11/1982EP0057484A2 Apparatus for uniformly debossing and aperturing a resilient plastic web
08/11/1982EP0057483A2 Apparatus and method for debossing and selectively aperturing a resilient plastic web
08/11/1982EP0057225A1 Rotary puncher for the punching of a web material
08/10/1982US4343358 Laser slotted plastic well screen
08/10/1982US4343215 Perforating cylinder
08/10/1982CA1129292A1 Disposable aortic perforator
08/04/1982EP0057144A2 Machine for packaging cylindrically shaped objects in blanks cut from thermoplastic webs
08/03/1982US4342314 Resilient plastic web exhibiting fiber-like properties
07/1982
07/28/1982EP0056736A1 Improvements in or relating to apparatus for positioning sheet material
07/27/1982US4341727 First scoring then punching perforations
07/27/1982US4341524 Working head for a passepartout-machine
07/27/1982US4341303 Frangible strip of clips
07/27/1982US4341008 Method of registering a steel rule die and counterplate
07/21/1982EP0056223A2 Apparatus for and method of controlling the perforation of paper by electrical discharges
07/20/1982US4339973 Method and apparatus for cutting electrical outlet openings in panels
07/20/1982US4339877 Hand-held cutter for cutting mounting board and the like
07/07/1982EP0055332A1 Frame for punching machine
07/06/1982US4338050 Method and tool for generating holes in composite materials
06/1982
06/29/1982CA1126462A1 Molding element for producing thermoplastic film
06/23/1982EP0054395A2 Method and apparatus for perforating metal strip
06/22/1982CA1125980A1 Embossed screen assembly
06/22/1982CA1125973A1 Method and apparatus for producing perforated film
06/08/1982US4333789 Apparatus for manifolding multiple passage solar panel
06/08/1982US4333784 Machine and method for producing weatherproofed multi leaf shipping forms
06/08/1982CA1125163A1 Method and apparatus for cutting plastic film windows for cartons
05/1982
05/25/1982US4331055 Apparatus for cutting portions out of a web of material
05/25/1982US4331053 Rotary die cutter
05/25/1982US4331051 Apparatus for cutting sheet material with variable gain closed loop
05/19/1982EP0051924A2 Method and apparatus for trimming thermoformed articles
05/12/1982EP0016084B1 A machine for treatment of web material
05/11/1982US4328729 Plane die-cutting machine
05/11/1982US4328726 Apparatus and method for working on successive segments of sheet material
05/04/1982US4327730 Textured thermoplastic film and product manufactured therefrom
05/04/1982US4327615 Method and apparatus for cutting sheet material with preprocessed data
04/1982
04/27/1982US4326909 Expanded polystyrene
04/27/1982US4326434 Process for underlaying a flat-bed steel rule die
04/20/1982CA1122266A1 Electrical spark treatment apparatus
04/20/1982CA1121996A1 Pressure sensitive picture frame mat opening cutter
04/13/1982CA1121563A1 Machine and method for producing weatherproofed multi-leaf shipping label
04/06/1982US4323082 Apparatus for making holes in webs of wrapping material for cigarettes or the like
03/1982
03/23/1982US4320773 Method and apparatus for treating wrapping material for cigarettes or the like
03/16/1982US4319871 Apparatus for extruding a thermoplastic material
03/16/1982US4319868 Apparatus for embossing and perforating a running ribbon of thermoplastic film on a metallic pattern roll
03/16/1982US4319589 Method and apparatus for perforating rod-like articles
03/09/1982CA1119508A2 Electrically conductive cutting block
03/02/1982US4317792 Molding
03/02/1982US4317399 Die cutter for stamping rectangular objects with rounded corners
03/02/1982CA1119090A1 Apparatus and method for perforating tubing
02/1982
02/23/1982US4317023 Method of making slotted well screen
02/23/1982US4316326 Stylus for writing braille
02/23/1982US4316317 Method and apparatus for adjusting roller rings on a shaft
02/23/1982CA1118574A1 Liquid-permeable film from thermoplastic material
02/23/1982CA1118573A1 Process and apparatus for producing a moisture- permeable film
02/18/1982WO1982000432A1 Rotary puncher for the punching of a web material
02/02/1982US4314142 Spatially distributed electrostatic perforation of moving webs
02/02/1982US4313250 Tool for replacement of golf club grip
01/1982
01/13/1982EP0043771A2 Tool for generating holes in composite materials
01/12/1982CA1115919A1 Reinforced aperture in thermoplastic sheet material
01/05/1982US4308774 Hole cutting device for webs
12/1981
12/30/1981EP0042586A1 A process for cutting and perforating plastic film
12/23/1981EP0042173A2 Web transport and treatment apparatus and method of treating each one of a series of semi-continuous webs with radiant energy
12/22/1981US4306356 Punching machine
12/01/1981US4303104 Double-wall plastic tubing in which the outer wall has transverse corrugations and the inner wall is smooth
12/01/1981US4302998 Fast operation device for the head in die-cutting machines, particularly flag type
11/1981
11/25/1981EP0040404A2 Punching pliers
11/24/1981US4301999 Vacuum hold-down table for an automatically controlled system for working on sheet material
11/24/1981US4301723 Cylinder operated swinging ram cutoff press
11/17/1981US4300971 Method for manifolding multiple passage solar panel
11/04/1981EP0038977A2 Method and apparatus for perforating paper
10/1981
10/28/1981EP0038488A2 Method for manufacturing a liquid-tight container
10/27/1981US4296659 Jack-O-Lantern forming method
10/27/1981CA1111223A1 Method of and apparatus for debossing and perforating a running ribbon of thermoplastic film
10/21/1981EP0038104A1 Process of electrolytically producing a screen, and a screen so produced
10/20/1981US4295843 Rotary die cutter
10/13/1981US4294649 Method of making die plates
10/13/1981US4294152 Film punch
10/07/1981EP0037096A2 Device working like a stamp or press
10/06/1981US4292872 Apparatus for perforating hollow cylinders
10/06/1981CA1110208A1 Precisioned frangible strip of plastic closure devices
09/1981
09/30/1981EP0036843A1 Head for plotting machines able to selectively plot and cut from sheets figures memorized by a computer
09/30/1981EP0036630A1 Apparatus and method for perforating paper, in particular paper for cigarettes
09/29/1981US4291464 Lid piercing device
09/15/1981US4289464 Reticulated web making apparatus
09/15/1981US4289055 Rotary die anvil
09/09/1981EP0035149A1 Assembly of sheets joined together by a fastening element
09/08/1981US4288018 Fastening device for papers
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