Method and apparatus for forming longitudinal corrugations in sheet material
United States Patent 3178494
US Patent References:
/RE23910.html
- - RE23910
/0654884.html
- - 0654884
Method of embossing fiber sheets
- - 1784906
Absorbent pad and method of making the same
- - 2084362
Machine for undulatingly corrugating cardboard
- - 2166749
/RE23910.html
- - RE23910
/0654884.html
- - 0654884
Method of embossing fiber sheets
- - 1784906
Absorbent pad and method of making the same
- - 2084362
Machine for undulatingly corrugating cardboard
- - 2166749
Inventors:
Tisdale, Lucien E.
Publication Date:
04/13/1965
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Assignee:
Tisdale, Lucien E.
Primary Class:
Other Classes:
156/462, 425/370, 425/404, 264/555, 264/285, 156/200, 425/388
International Classes:
B31F1/22; B31F1/20
US Patent References:
| 2314757 | Machine for plaiting | |||
| 2586481 | Method of and apparatus for corrugating asbestos-cement sheets | |||
| 2876824 | Machine for and method of progressively corrugating plastic sheet material | |||
| 3024496 | Method and apparatus for manufacturing corrugated thermoplastic sheets | |||
| 3102776 | Apparatus and process for continuous production of shaped plastic webs |