Title:
METHOD FOR FORMING PACKAGES
Document Type and Number:
United States Patent 3488413
Inventors:
Watts Jr., Ridley
Publication Date:
01/06/1970
Assignee:
AMERICAN PACKAGING CORP
Other Classes:
425/509, 206/471, 425/398, 425/405.100, 425/96, 425/521, 425/504
International Classes:
B29C51/04; B29C51/42; B29C51/08; B29C51/00; B29C51/26; B29C17/00; B29H7/02; B29C23/00
US Patent References:
| 3007206 | Methods of molding thermoplastic sheets | | | |
| 3053023 | Package and method of making same | | | |
| 3217462 | Method of and apparatus for making packages | | | |
| 2926385 | Sheet shaping | | | |
| 2973558 | Method for deep-draw vacuum forming | | | |
| 2990581 | Process for vacuum thermoforming | | | |
| 3159693 | Method of forming plastic articles | | | |
| 3291874 | Method and apparatus for forming articles from plastic sheet material | | | |
| 3316594 | Method and apparatus for making containers of thermoformable material | | | |