Method of making pipe fittings
United States Patent 2507859
US Patent References:
/0197667.html
- - 0197667
Process of manufacturing flutes
- - 1455440
Method of and means for making conduit outlets
- - 1850803
Method of and means for forming pipe t's
- - 1892712
Method for forming branch nozzles on pipes
- - 2065915
/0197667.html
- - 0197667
Process of manufacturing flutes
- - 1455440
Method of and means for making conduit outlets
- - 1850803
Method of and means for forming pipe t's
- - 1892712
Method for forming branch nozzles on pipes
- - 2065915
Inventors:
Keller, William F.
Publication Date:
05/16/1950
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Export Citation:
Assignee:
LADISH DROP FORGE CO
Primary Class:
Other Classes:
72/370.270, 72/370.050
International Classes:
B21C37/29; B21C37/15