Title:
Method of making thread protector and product obtained
Document Type and Number:
United States Patent 3039187


Inventors:
Kennedy, Frank J.
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Publication Date:
06/19/1962
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Assignee:
PORTER CO INC H K
Primary Class:
228/151
Other Classes:
29/417, 72/403, 72/337
International Classes:
B21D53/00; B65D59/06; B65D59/00
US Patent References:
0311171
0851781
1000374
1639814Thread protector
1787255Method of making sheet-metal bearings
2022189Pipe thread protector
2126473Method of making tubular articles
2264613Method of making lamp base ferrules
2544266Method of making outlet boxes
2609596Method of making sheet metal bushings
2702429Method of making tubular pins
2762117Method of forming an interlocking bushing
2786435Method of making a spirally wrapped multi-layer tube


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