US524504A
(en )
1894-08-14
robertson
US2110965A
(en )
1938-03-15
Reducing the diameter of hollow metal articles
US2264688A
(en )
1941-12-02
Tube drawing machine
US2335939A
(en )
1943-12-07
Method and apparatus for drawing and reducing tubular stock
US2886170A
(en )
1959-05-12
Method of drawing tubes
US1365987A
(en )
1921-01-18
Manufacture of gun-tubes and like tubular bodies
US616357A
(en )
1898-12-20
Alfred mil ward reynolds and john thomas hewitt
US2320739A
(en )
1943-06-01
Drawbench
US1812359A
(en )
1931-06-30
Method and means for the production of drawn metal rods
US1986691A
(en )
1935-01-01
Tube draw bench
US3779064A
(en )
1973-12-18
Process and apparatus for calibrating and surfacing tubes
US1025568A
(en )
1912-05-07
Mode of holding tubes during the operation of drawing them.
US718671A
(en )
1903-01-20
Tube-drawing device.
US678753A
(en )
1901-07-16
Machine for drawing metal.
US519086A
(en )
1894-05-01
Carl gustaf larson
US600013A
(en )
1898-03-01
Tube-drawing machine
US440130A
(en )
1890-11-11
Machine foe cold rolling metallic pipe
US1904947A
(en )
1933-04-18
Wire drawing machine
US441927A
(en )
1890-12-02
Machine foe cold dba wing metallic pipe
US1711825A
(en )
1929-05-07
Drawing and rolling machine
US1841350A
(en )
1932-01-12
Tube drawing machine
GB189817085A
(en )
1898-12-10
Process and Apparatus for Fixing Sheet Metal Rings on Metallic Tubes.
US4967462A
(en )
1990-11-06
Method of manufacturing an integrated light-weight solid metal shaft and an integrated light-weight metal pipe shaft for use in a business machine, and the integrated light-weight solid metal shaft and a similar pipe shaft manufactured by the same method
US3871094A
(en )
1975-03-18
Method of making seamless tubular bell section
US3075636A
(en )
1963-01-29
Draw bench loading measurements