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CPC
B21C1/27
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Parent Industries
B
PERFORMING OPERATIONS TRANSPORTING
B21
Mechanical metalworking
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
B21C1/00
Manufacture of metal sheets, metal wire, metal rods, metal tubes by drawing
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B21C1/27
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Patents Grants
last 30 patents
Information
Patent Grant
Unloading apparatus
Patent number
4,313,329
Issue date
Feb 2, 1982
Abbey-Etna Machine Company
Robert D. Caswall
B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information
Patent Grant
3292409
Patent number
3,292,409
Issue date
Dec 20, 1966
B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information
Patent Grant
1911157
Patent number
1,911,157
Issue date
May 23, 1933
B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Patents Applications
last 30 patents
Information
Patent Application
Cold roll forming method for reducing a diameter of a metal pipe, a...
Publication number
20090199924
Publication date
Aug 13, 2009
Nakayama Corporation
Tsuyoshi Ishikawa
B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information
Patent Application
Cold roll forming method for reducing a diameter of a metal pipe, a...
Publication number
20080148797
Publication date
Jun 26, 2008
Tsuyoshi Ishikawa
B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information
Patent Application
Cold roll forming method for reducing a diameter of a metal pipe, a...
Publication number
20070113611
Publication date
May 24, 2007
Tsuyoshi Ishikawa
B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information
Patent Application
Cold roll forming method for reducing a diameter of a metal pipe, a...
Publication number
20060201223
Publication date
Sep 14, 2006
Tsuyoshi Ishikawa
B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information
Patent Application
Method of forming cold diametrally reducing roll for metal pipe and...
Publication number
20040050133
Publication date
Mar 18, 2004
Tsuyoshi Ishikawa
B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...