|
|

|
|
Title:
Tool for forming internal threads
Abstract:
The invention provides a tool for forming threads or grooves on the internal surface of a pipe.
Do you think this is a good invention? Vote now:
Votes so far: For:(0) Against:(0) Other info:
Inventors:
Wadsworth, Jr., Gilbert A. (Cockeysville, MD, US)
Application Number:
547487
Filing Date: 1975-02-06 Publication_date: 1976-02-17 Assignee:
Dynatherm Corporation (Cockeysville, MD)
Primary Class(es):
72/104
72/120
Other Classes:
US Patent Ref:
Other Refs:
Primary Examiner:
Larson, Lowell A.
Assistant Examiner:
Attorney:
Caser; A. H.
|
|

|