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PCE
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DIFF Subgroup
B21C 37/18

conical tubes

Introduced: September 1968

Full Title

Full titles differ between systems:

IPC:

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 > Making tubes of special shape; Making the fittings > Making tubes with varying diameter in longitudinal direction > conical tubes

CPC:

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 > Making tubes of special shape; Making fittings > Making tubes with varying diameter in longitudinal direction > conical tubes

Of 1 combined children, 0 exist in both systems.

1 codes are CPC-only extensions.

Child Classifications

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