Closed tube with fastener members
United States Patent 3380481

Inventors:
Karl, Kraus Otto
Publication Date:
04/30/1968
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Assignee:
MINIGRIP INC
Primary Class:
138/118
Other Classes:
383/61.200, 138/128, 383/207, 138/166, 383/65
International Classes:
B29C47/20; B29D5/10; B65D33/25; F16L11/12; B29D5/00
US Patent References:
2558367Separable fastener
2637085Separable fastener
2791807Method of producing separable fastener stringers with extruded plastic fastener on one edge portion of the tape thereof
2144755Closure device