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Class Information
Number: 83/660
Name: Cutting > Tool or tool with support > Pointed perforators
Description: Device wherein the portion of the tool contacting the work has a pointed end which, in operation, penetrates the work and, without removing any material from the work, makes a hole having substantially the same dimension as the dimension of the portion of the tool that penetrates the work.
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7455006 |
Modular/configurable die for a rotary die cutter |
Nov. 25, 2008 |
| 7441681 |
Apparatus for separating a web material |
Oct. 28, 2008 |
| 7386924 |
Perforation device |
Jun. 17, 2008 |
| 7261026 |
Enhanced pinmat for manufacturing high-strength perforated laminate sheets |
Aug. 28, 2007 |
| 7160096 |
Perforation mechanism for a foam-in-bag cushion and method of use |
Jan. 9, 2007 |
| 7028597 |
Perforating apparatus with fine setting |
Apr. 18, 2006 |
| 7008684 |
Strandboard molding having holes at angles of 20 degrees to vertical or more |
Mar. 7, 2006 |
| 6935199 |
Headspace gas sampling and venting method and arrangement, and filtering and sampling ports used therewith |
Aug. 30, 2005 |
| 6874394 |
Continuous method of providing individual sheets from a continuous web |
Apr. 5, 2005 |
| 6860012 |
Method for forming elastic ventilation cushion |
Mar. 1, 2005 |
| 6854370 |
Device for the cross perforation of webs |
Feb. 15, 2005 |
| 6736040 |
Perforator device for ribbons of paper in re-reeling machines |
May. 18, 2004 |
| 6719679 |
Perforation device |
Apr. 13, 2004 |
| 6634271 |
Machine for marking skins or other articles in sheet form by perforation |
Oct. 21, 2003 |
| 6631665 |
Perforating tools having plural blades |
Oct. 14, 2003 |
| 6468453 |
Methods and apparatus for manufacturing fiber-cement soffits with air vents |
Oct. 22, 2002 |
| 6421988 |
Automatic packing sealing and cutting machine for plastic film |
Jul. 23, 2002 |
| 6302605 |
Rotary cutter apparatus for printer with full and partial cutting modes |
Oct. 16, 2001 |
| 6276045 |
Method and apparatus for making structured packing element |
Aug. 21, 2001 |
| 6267036 |
Fruit and vegetable decorative carving device |
Jul. 31, 2001 |
| 6227093 |
Pizza docking device |
May. 8, 2001 |
| 6227074 |
Method of manufacturing perforating tools |
May. 8, 2001 |
| 6223641 |
Perforating and slitting die sheet |
May. 1, 2001 |
| 6190602 |
Method of manufacturing a perforated laminate |
Feb. 20, 2001 |
| 6177037 |
Method of forming a slit in a reseal element for a needleless injection site |
Jan. 23, 2001 |
| 6110091 |
Nurser liner with textured tabs |
Aug. 29, 2000 |
| 6109156 |
Punching apparatus and punch |
Aug. 29, 2000 |
| 6055991 |
Cigar draw blockage tool |
May. 2, 2000 |
| 6041506 |
Hole-forming device |
Mar. 28, 2000 |
| 6035753 |
Perforation assemblies having variable cut to tie ratios for multi-ply forms |
Mar. 14, 2000 |
| 6033353 |
Machine and method for making a perforated dunnage product |
Mar. 7, 2000 |
| 6009612 |
Apparatus for attaching radiating plate to holders of modular unit for radiant floor and wall hydronic heating systems |
Jan. 4, 2000 |
| 6009781 |
Differential-spacing perforating roll |
Jan. 4, 2000 |
| 6007468 |
Apparatus for manufacturing a product in membrane or film form for covering sanitary towels or nappies or for filtering systems |
Dec. 28, 1999 |
| 5983770 |
Reseal with a partial perforation and method and apparatus for creating a partial perforation in a reseal |
Nov. 16, 1999 |
| 5967011 |
Device for removal of slips from a continuously transported slip web |
Oct. 19, 1999 |
| 5881622 |
Device for perforating a running web |
Mar. 16, 1999 |
| 5868057 |
Perforation rule for rotary cutting system |
Feb. 9, 1999 |
| 5802945 |
Needle roller arrangement with several needle rollers for perforating a material web |
Sep. 8, 1998 |
| 5791219 |
Signature perforating device |
Aug. 11, 1998 |
| 5768969 |
Perforating knife |
Jun. 23, 1998 |
| 5641551 |
Multi-purpose rotary slit scorer and products formed thereby |
Jun. 24, 1997 |
| 5596919 |
Device for holding or receiving indexable perforating tools |
Jan. 28, 1997 |
| 5584219 |
Release device for multi glazing air cushion |
Dec. 17, 1996 |
| 5565059 |
Apparatus and method for preparing printing labels |
Oct. 15, 1996 |
| 5560881 |
Apparatus for producing a fissured, acoustical ceiling panel and method for manufacturing said apparatus |
Oct. 1, 1996 |
| 5537905 |
Nicked cutting rule |
Jul. 23, 1996 |
| 5535657 |
Device for perforating paint can lids |
Jul. 16, 1996 |
| 5524930 |
Perforating blade and signature |
Jun. 11, 1996 |
| 5492041 |
Pneumatic equipment for synchronous piercing of slits |
Feb. 20, 1996 |
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