Title:
METHOD FOR FORMING PACKAGES
Document Type and Number:
United States Patent 3488413

Inventors:
Watts Jr., Ridley
Publication Date:
01/06/1970
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Assignee:
AMERICAN PACKAGING CORP
Primary Class:
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:
3007206Methods of molding thermoplastic sheets
3053023Package and method of making same
3217462Method of and apparatus for making packages
2926385Sheet shaping
2973558Method for deep-draw vacuum forming
2990581Process for vacuum thermoforming
3159693Method of forming plastic articles
3291874Method and apparatus for forming articles from plastic sheet material
3316594Method and apparatus for making containers of thermoformable material




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