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IPC Subgroup
B21C 37/06

of tubes or metal hoses; Combined procedures for making tubes, e.g. for making multi-wall tubes

Introduced: September 1968

Last revised: January 2006

Full Title

Manufacture of metal sheets, rods, wire, tubes, profiles or like semi-manufactured products, not otherwise provided for; Manufacture of tubes of special shape > of tubes or metal hoses; Combined procedures for making tubes, e.g. for making multi-wall tubes

Classification Context

Section:
PERFORMING OPERATIONS; TRANSPORTING
Class:
MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
Subclass:
MANUFACTURE OF METAL SHEETS, WIRE, RODS, TUBES, PROFILES OR LIKE SEMI-MANUFACTURED PRODUCTS OTHERWISE THAN BY ROLLING; AUXILIARY OPERATIONS USED IN CONNECTION WITH METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL

Related Keywords

making metal TUBE(S), hoses or tube fittings see also catchwords for the working operations involved in the making

6 direct subcodes

Child Classifications

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  • B21C 37/1 Making tubes with riveted seams
  • B21C 37/12 Making tubes or metal hoses with helically arranged seams
  • B21C 37/14 Making tubes from doubled flat material
  • B21C 37/3 Finishing tubes, e.g. sizing, burnishing