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Class Information
Number: 59/23
Name: Chain, staple, and horseshoe making > Chain making > Combined machines > Cutting and bending
Description: Combined machines for cutting from a bar, rod, or wire sufficient for a link and then bending it into the general or completed form of a link.
Sub-classes under this class:
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7310934 |
Method of making one-way chain |
Dec. 25, 2007 |
| 6619024 |
Jewelry link forming apparatus |
Sep. 16, 2003 |
| 5775088 |
Jewelry rope chain cutting tool |
Jul. 7, 1998 |
| 5412933 |
Automatic link forming apparatus |
May. 9, 1995 |
| 4999989 |
Machine for the production of an ornamental chain of the type formed by "figure-of eight" links |
Mar. 19, 1991 |
| 4932203 |
Machine for the production of "bow-type" ornamental chains |
Jun. 12, 1990 |
| 4893463 |
Prickle chain device and method of production thereof |
Jan. 16, 1990 |
| 4694644 |
Method and apparatus for producing oval chain links from round wire |
Sep. 22, 1987 |
| 4680926 |
Process and apparatus for the production of oval chain links from round wire |
Jul. 21, 1987 |
| 4275555 |
Machine and a method for constructing a chain having automatically shaped and welded chain links |
Jun. 30, 1981 |
| 3961474 |
Method and apparatus for the manufacture of chains with round links, having varying mechanical characteristics |
Jun. 8, 1976 |
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