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WELLMAN SEAVER ROLLING MILL CO
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WELLMAN SEAVER ROLLING MILL CO
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Filing date
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Application filed by WELLMAN SEAVER ROLLING MILL COfiledCriticalWELLMAN SEAVER ROLLING MILL CO
Application grantedgrantedCritical
Publication of FR589602ApublicationCriticalpatent/FR589602A/en
B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
B21C—MANUFACTURE OF METAL SHEETS, WIRE, RODS, TUBES OR PROFILES, OTHERWISE THAN BY ROLLING; AUXILIARY OPERATIONS USED IN CONNECTION WITH METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL
B21C45/00—Separating mandrels from work or vice versa
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Engineering & Computer Science
(AREA)
Mechanical Engineering
(AREA)
FR589602D1924-01-261924-11-24
Method and apparatus for the manufacture of metal tubes and other tubular parts
ExpiredFR589602A
(en)