Slit seal and multiple tube gusseter
United States Patent 3156010
US Patent References:
Machine for forming thermoplastic bag-tubing
- - 2805700
Gusset former
- - 2961930
Apparatus for the production of gusseted tubing
- - 2995990
Machine for forming thermoplastic bag-tubing
- - 2805700
Gusset former
- - 2961930
Apparatus for the production of gusseted tubing
- - 2995990
Inventors:
Osborn Jr., Paul Victor
Publication Date:
11/10/1964
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Export Citation:
Assignee:
NAT DISTILLERS CHEM CORP
Primary Class:
Other Classes:
493/287
International Classes:
B29C47/00; B29C65/74; B29C69/00
Foreign References:
| GB816931A |