Title:
Hollow circular article and method of making same
United States Patent 2594693
US Patent References:
Spinning bucket
- - 2372983

Composite pipe
- - 2467999


Inventors:
Smith, Frederick H.
Publication Date:
04/29/1952
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Assignee:
SHARPLES CORP
Primary Class:
220/62.190
Other Classes:
156/172, 310/260, 156/175, 43/18.500, 220/659, 220/DIG.023, 273/DIG.007, 138/123, 138/124, 138/130, 138/145, 57/76, 220/643
International Classes:
B04B7/08; B29C53/58; B29C53/80; C04B26/02; D01D7/02; B04B7/00; B29C53/00; C04B26/00; D01D7/00