Method and apparatus for preparing and utilizing sheet material for packaging purposes
United States Patent 2490781
Inventors:
Cloud, William S.
Publication Date:
12/13/1949
Assignee:
Cloud, William S.
Other Classes:
425/512, 425/506, 425/307, 26/92, 264/DIG.073, 83/914, 425/102, 425/504, 53/559, 53/477, 53/556, 425/519, 53/141, 425/508, 264/290.200, 425/237
International Classes:
B29C51/22; B29C55/14; B29C69/00; B65B9/04; B29C51/18; B65B9/00
US Patent References:
| 2079584 | Rubber sheet material | | | |
| 2120328 | Method of shaping sheet material | | | |
| 2141318 | | | | |
| 2152101 | Method and apparatus for making capsules by submerged filling action | | | |
| 2168651 | Packaging process and medium | | | |
| 2232783 | Method of packaging | | | |
| 2289668 | Wrapping | | | |
| 2334022 | Rubber hydrohalide film | | | |
| 2342977 | Packaging | | | |
| 2362653 | Method and apparatus for treating rubber articles prior to vulcanization | | | |