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Class Information
Number: 83/684
Name: Cutting > Tool or tool with support > Cutting couple type > Punching tool
Description: Device constructed to perform a punching operation as defined in the Glossary.
Sub-classes under this class:
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7650824 |
Adapter to convert electrical box punch dies into self centering punch dies |
Jan. 26, 2010 |
| 7628103 |
Punching and binding systems and elements thereof |
Dec. 8, 2009 |
| 7610838 |
Hole punch |
Nov. 3, 2009 |
| 7584878 |
Paper tool drive linkage |
Sep. 8, 2009 |
| 7562609 |
Method of forming through-hole and through-hole forming machine |
Jul. 21, 2009 |
| 7506566 |
Bulk stamped amorphous metal magnetic component |
Mar. 24, 2009 |
| 7503120 |
Cutter adapted to be held by human hand or finger |
Mar. 17, 2009 |
| 7484312 |
Punch press alignment instrument |
Feb. 3, 2009 |
| 7475623 |
Pressing structure for hole-punching unit |
Jan. 13, 2009 |
| 7430951 |
Method and apparatus for trimming aluminum sheet to reduce slivers and improve edge quality |
Oct. 7, 2008 |
| 7387059 |
Sheet punching apparatus, sheet finishing apparatus, and image forming apparatus |
Jun. 17, 2008 |
| 7343770 |
Stamping system for manufacturing high tolerance parts |
Mar. 18, 2008 |
| 7290473 |
Pierce cam |
Nov. 6, 2007 |
| 7270042 |
Paper punch apparatus |
Sep. 18, 2007 |
| 7261288 |
Postprocessing apparatus with two or more finishing devices |
Aug. 28, 2007 |
| 7255033 |
Apparatus and method of making a compound-angled orifice in a disc for a fuel injector |
Aug. 14, 2007 |
| 7219432 |
Stamping and die-cutting tool with a quick mould change design |
May. 22, 2007 |
| 7204181 |
Reversible floating punch retainer for punch change retainer tool |
Apr. 17, 2007 |
| 7194820 |
Punch press alignment instrument |
Mar. 27, 2007 |
| 7174821 |
Punch for a braced die |
Feb. 13, 2007 |
| 7131360 |
Thermoforming trim press having adjustable bushing assembly, trim tool guide assembly, and method |
Nov. 7, 2006 |
| 7111374 |
Door seal drilling and pinning |
Sep. 26, 2006 |
| 7090120 |
Sheet punching device and image forming apparatus having the same |
Aug. 15, 2006 |
| 7086582 |
Sequential punch press with complementary sliding plates |
Aug. 8, 2006 |
| 7051635 |
Ball-lock insert assemblies |
May. 30, 2006 |
| 7024978 |
Concentric alignment device for dies and die stripper |
Apr. 11, 2006 |
| 7017461 |
Dual position automatic notcher |
Mar. 28, 2006 |
| 7008684 |
Strandboard molding having holes at angles of 20 degrees to vertical or more |
Mar. 7, 2006 |
| 6986301 |
Punch for a ductile material joining tool |
Jan. 17, 2006 |
| 6959634 |
Device for die cutting a stack consisting of sheet-type materials |
Nov. 1, 2005 |
| 6925916 |
Two stage punch press actuator with output drive shaft position sensing |
Aug. 9, 2005 |
| 6918332 |
Paper punch device |
Jul. 19, 2005 |
| 6918333 |
Retainer device for a press punch |
Jul. 19, 2005 |
| 6895849 |
Stripper plate retention system |
May. 24, 2005 |
| 6886442 |
Punching apparatus for backing-films of CMP machines and preventive maintenance method for the same |
May. 3, 2005 |
| 6880443 |
Device for die-cutting a stack consisting of sheet-type materials |
Apr. 19, 2005 |
| 6823764 |
Apparatus for boring stoma wafers |
Nov. 30, 2004 |
| 6782787 |
Adjustable punch having externally accessible rotation release latch |
Aug. 31, 2004 |
| 6782786 |
Electric punch |
Aug. 31, 2004 |
| 6772667 |
Self-centering trim punch |
Aug. 10, 2004 |
| 6772507 |
Method of manufacturing magnetic recording medium |
Aug. 10, 2004 |
| 6769340 |
Self-centering trim punch |
Aug. 3, 2004 |
| 6739244 |
Punch and emboss tool with interchangeable dies |
May. 25, 2004 |
| 6679147 |
Insertable punch lock |
Jan. 20, 2004 |
| 6516696 |
Sleeve-type gas spring |
Feb. 11, 2003 |
| 6508155 |
Self-centering trim punch |
Jan. 21, 2003 |
| 6468453 |
Methods and apparatus for manufacturing fiber-cement soffits with air vents |
Oct. 22, 2002 |
| 6409006 |
Friction plate |
Jun. 25, 2002 |
| 6408729 |
Steel rule for scrap material ejection die |
Jun. 25, 2002 |
| 6381443 |
Sheet punching device and image forming apparatus having the same |
Apr. 30, 2002 |
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