Title:
Hollow circular article and method of making same
United States Patent 2594693
Inventors:
Smith, Frederick H.
Publication Date:
04/29/1952
Export Citation:
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Assignee:
SHARPLES CORP
Primary Class:
220/62.19
Other Classes:
43/18.5, 57/76, 138/123, 138/124, 138/130, 138/145, 156/172, 156/175, 220/643, 220/659, 220/DIG.23, 273/DIG.7, 310/260
International Classes:
B04B7/08; B29C53/58; B29C53/80; C04B26/02; D01D7/02
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US Patent References:
2467999Composite pipe
2372983Spinning bucket