Method for use in connection with the making of protector caps for compressed gas cylinders
United States Patent 2728135
Inventors:
Rockwell Jr., Dean M.
Publication Date:
12/27/1955
Assignee:
Rockwell Jr., Dean M.
Other Classes:
72/400, 72/126, 73/304C, 72/358
International Classes:
B21D51/24; B21D51/16
US Patent References:
| 1812023 | Punching and upsetting machine | | | |
| 1877370 | Method of making loosening stretchers for cables, rods and the like | | | |
| 2005215 | Method of forming an annulus and apparatus therefor | | | |
| 2168641 | Die mechanism | | | |
| 2246096 | Method of closure manufacture | | | |
| 2268246 | Manufacture of flanged tubes | | | |
| 2344285 | Upsetting of metal tubes, rods, or the like | | | |
| 2349863 | Thread-rolling tool | | | |
| 2372011 | Method of making lead articles | | | |
| 2373901 | Boss forming process | | | |
| 2383584 | Method of flanging bimetallic plate | | | |