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Class Information
Number: 72/137
Name: Metal deforming > By deflecting successively-presented portions of work during bodily movement thereof (e.g., for coiling, levelling, curving or troughing material in movement) > To form helical coil or tube > With deforming of work or product (other than by coiler)
Description: Subject matter further provided with means for deforming work, which means functions in a manner different from the instrumentality defined in subclass 135.
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7610787 |
Spring manufacturing apparatus and control method thereof |
Nov. 3, 2009 |
| 7603760 |
Method for producing a helical stator |
Oct. 20, 2009 |
| 7334445 |
Method for producing an end lug of a spring member formed of a strand of wire, and apparatus for manufacturing same |
Feb. 26, 2008 |
| 7198068 |
Cassette pigtailing machine for a coil spring |
Apr. 3, 2007 |
| 7143620 |
Spring manufacturing apparatus and driving force transmitting component mounted on the apparatus |
Dec. 5, 2006 |
| 7134305 |
Wire feeder driving mechanism for spring manufacturing machine |
Nov. 14, 2006 |
| 7080537 |
Spring manufacturing machine |
Jul. 25, 2006 |
| 7024901 |
Wire spring forming apparatus |
Apr. 11, 2006 |
| 6923034 |
Wire spring forming apparatus |
Aug. 2, 2005 |
| 6817220 |
Mold head device of spring forming machine |
Nov. 16, 2004 |
| 6701765 |
Spring manufacturing apparatus |
Mar. 9, 2004 |
| 6606894 |
Transmission mechanism for spring winding machine |
Aug. 19, 2003 |
| 6571591 |
Spring manufacturing apparatus and wire guide used for the same |
Jun. 3, 2003 |
| 6378352 |
Method and apparatus for winding thin walled tubing |
Apr. 30, 2002 |
| 6377736 |
Helical products and method of manufacturing of same for engagement with a cable |
Apr. 23, 2002 |
| 6151942 |
Spring manufacturing apparatus |
Nov. 28, 2000 |
| 6142002 |
Spring manufacturing apparatus and tool selection apparatus |
Nov. 7, 2000 |
| 6092407 |
Ring bending machine |
Jul. 25, 2000 |
| 6000265 |
Spring manufacturing apparatus |
Dec. 14, 1999 |
| 5937685 |
Method and apparatus for linear spring |
Aug. 17, 1999 |
| 5927123 |
Coil spring shaper |
Jul. 27, 1999 |
| 5868996 |
Device for manufacturing curved helical springs |
Feb. 9, 1999 |
| 5860308 |
Auxiliary bending device for a spring-making machine |
Jan. 19, 1999 |
| 5791184 |
Spring-making machine |
Aug. 11, 1998 |
| 5758420 |
Process of manufacturing an aneurysm clip |
Jun. 2, 1998 |
| 5732583 |
Wire forming apparatus |
Mar. 31, 1998 |
| 5586461 |
Methods and apparatus for manufacturing helical products |
Dec. 24, 1996 |
| 5476229 |
Annular multi layer coil assembly |
Dec. 19, 1995 |
| 5454249 |
Spring toe forming device and method |
Oct. 3, 1995 |
| 5452598 |
Automatic spring formation apparatus |
Sep. 26, 1995 |
| 5442944 |
Auto-feed control mechanism for computerized numerically-controlled spring forming machine |
Aug. 22, 1995 |
| 5363681 |
Apparatus for shaping wire |
Nov. 15, 1994 |
| 5105641 |
Apparatus for forming wire |
Apr. 21, 1992 |
| 5105642 |
Continuous coil spring forming method |
Apr. 21, 1992 |
| 5086532 |
Methods and apparatus for forming fasteners and threaded connections |
Feb. 11, 1992 |
| 5036690 |
Flexible pipe end crimping apparatus |
Aug. 6, 1991 |
| 5025648 |
Coiled spring making apparatus |
Jun. 25, 1991 |
| 4986103 |
Apparatus for coiling springs with tucked ends |
Jan. 22, 1991 |
| 4981029 |
Electric heater coil assembly termination apparatus and method of use |
Jan. 1, 1991 |
| 4967580 |
Method and apparatus for making double-coned coil springs |
Nov. 6, 1990 |
| 4947670 |
Universal automatic spring-making machine |
Aug. 14, 1990 |
| 4945744 |
Method and apparatus for forming a barrel coil spring |
Aug. 7, 1990 |
| 4929167 |
Apparatus for producing a helical tube |
May. 29, 1990 |
| 4893491 |
Apparatus for forming coil springs |
Jan. 16, 1990 |
| 4813126 |
Apparatus and method for fabricating magnetic devices |
Mar. 21, 1989 |
| 4791800 |
Roll forming process and apparatus for making ribs in strip material |
Dec. 20, 1988 |
| 4783981 |
Apparatus for forming a tube from a metal band |
Nov. 15, 1988 |
| 4747288 |
Method of forming an edgewise wound core |
May. 31, 1988 |
| 4713956 |
Apparatus for manufacturing spring units |
Dec. 22, 1987 |
| 4708897 |
Composite product having a tubular metal casing with a welt-type seam, and a core in powder form, which can be rolled up |
Nov. 24, 1987 |
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