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Class Information
Number: 72/327
Name: Metal deforming > With cutting > By composite tool (e.g., piercing) > Shear-type > With endless cutting edges
Description: Subject matter wherein the shearing edge on each of said elements defines a closed curve in a plane normal to the direction of motion of the movable element(s).
Sub-classes under this class:
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7308814 |
Method for perforating a sheet |
Dec. 18, 2007 |
| 7188506 |
Apparatus and method utilizing an automated machine tool system and mandrel for cold working of holes in metal components |
Mar. 13, 2007 |
| 7163763 |
Cold formed battery terminal |
Jan. 16, 2007 |
| 7076986 |
Process for forming a linking element for a push belt for a continuously variable transmission |
Jul. 18, 2006 |
| 6907764 |
Methods and apparatus for manufacturing flanged articles |
Jun. 21, 2005 |
| 6742373 |
Method for manufacturing a V-block of a metal belt type continuously variable transmission |
Jun. 1, 2004 |
| 6729172 |
Methods and apparatus for manufacturing press formed articles |
May. 4, 2004 |
| 6718811 |
Process for producing a guide tube of a nuclear reactor fuel assembly, mandrel for forming the guide tube, and the guide tube obtained |
Apr. 13, 2004 |
| 6427512 |
Method of and apparatus for blanking elements of belt for continuously variable transmission |
Aug. 6, 2002 |
| 6401510 |
Method for stamping a part from a multi-layered strip |
Jun. 11, 2002 |
| 6381822 |
Method and apparatus for manufacturing friction plate |
May. 7, 2002 |
| 6378350 |
Seat belt anchorage plate for seat belt device and method for manufacturing the same |
Apr. 30, 2002 |
| 6311535 |
High voltage bushing embossing punch tool and method |
Nov. 6, 2001 |
| 6289709 |
Gutter outlet punch |
Sep. 18, 2001 |
| 6182360 |
Method of producing and stacking components |
Feb. 6, 2001 |
| 6134767 |
Method for embedding connection elements in a wall |
Oct. 24, 2000 |
| 6101859 |
Die assembly for forming a pattern on a metal plate |
Aug. 15, 2000 |
| 6082165 |
Collar hole die |
Jul. 4, 2000 |
| 6065321 |
Outlet for connecting spray nozzles and drop tubes to an irrigation pipe |
May. 23, 2000 |
| 6018976 |
Process for tightly closing a bore in a work piece made of ductile material |
Feb. 1, 2000 |
| 5979277 |
Method and apparatus for punching a thin metal tape to provide a lead frame for a semiconductor device |
Nov. 9, 1999 |
| 5829299 |
Method and apparatus for making nipple holes in a double-walled hollow wheel rim of a spoke wheel |
Nov. 3, 1998 |
| 5816093 |
Method and tool for forming a tapered hole in a cylindrical work by punching extruding |
Oct. 6, 1998 |
| 5774972 |
Method of punching a composite plate |
Jul. 7, 1998 |
| 5755133 |
Mold for fabricating a screw washer and a screw washer |
May. 26, 1998 |
| 5722139 |
Installation apparatus for attaching a fastener to a panel |
Mar. 3, 1998 |
| 5502994 |
Method for producing a metal tip |
Apr. 2, 1996 |
| 5492001 |
Method and apparatus for working burred portion of workpiece |
Feb. 20, 1996 |
| 5390523 |
Coupling for shoulder ended pipes |
Feb. 21, 1995 |
| 5381681 |
Machine with an adjusting device located in a movable machine part |
Jan. 17, 1995 |
| 5349840 |
Method of making a high torque battery terminal |
Sep. 27, 1994 |
| 5287713 |
Method and apparatus for ironing and trimming cylindrical portion of workpiece, using stepped punch and die having tapered die hole |
Feb. 22, 1994 |
| 5259819 |
Method of manufacturing a washer |
Nov. 9, 1993 |
| 5140881 |
Apparatus for manufacturing a cylinder with a connected sleeve |
Aug. 25, 1992 |
| 5067339 |
Cutting and forming tool for complicated flat structures |
Nov. 26, 1991 |
| 5009095 |
Method for forming a collared hole in sheet material |
Apr. 23, 1991 |
| 5007275 |
Progressive die for drawless fin |
Apr. 16, 1991 |
| 5005281 |
Method of making rotor and stator pole assemblies by stamping magnetic plate |
Apr. 9, 1991 |
| 4956989 |
Method of forming a collar for heating exchanger fin and die for use therein |
Sep. 18, 1990 |
| 4897909 |
Method for wheel manufacture by punch forming |
Feb. 6, 1990 |
| 4819472 |
Method of wheel manufacture for correcting rotational non-uniformity of a pneumatic tire and wheel assembly |
Apr. 11, 1989 |
| 4809429 |
Apparatus for manufacturing laminated assemblies having ridges formed on projections which interlock with recesses of adjacent laminations |
Mar. 7, 1989 |
| 4798075 |
Method and apparatus for making a bowed external spring retaining ring of the E-shaped type |
Jan. 17, 1989 |
| 4736611 |
Apparatus for wheel manufacture for correcting rotational non-uniformity of a pneumatic tire and wheel assembly |
Apr. 12, 1988 |
| 4728842 |
Laminated assembly for a dynamoelectric machine and method for manufacturing laminated assemblies having ridges formed on projections which interlock with recesses of adjacent laminations |
Mar. 1, 1988 |
| 4711115 |
Method for forming memory discs by forging |
Dec. 8, 1987 |
| 4621512 |
Mechanism for and method of shifting cam mechanisms in a press for pressing workpieces with depressed portions |
Nov. 11, 1986 |
| 4590780 |
Process and apparatus for producing at least two forgings on a hot-forming press |
May. 27, 1986 |
| 4517819 |
Method and apparatus for forging sprocket segments |
May. 21, 1985 |
| 4489584 |
Single stroke, draw and trim die assembly |
Dec. 25, 1984 |
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