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PCE
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DIFF Subgroup
B21D 39/02

of sheet metal by folding, e.g. connecting edges of a sheet to form a cylinder

Introduced: September 1968

Full Title

Full titles differ between systems:

IPC:

Application of procedures in order to connect objects or parts, e.g. coating with sheet metal otherwise than by plating; Tube expanders > of sheet metal by folding, e.g. connecting edges of a sheet to form a cylinder

CPC:

Application of procedures in order to connect objects or parts, e.g. coating with sheet metal otherwise than by plating ( riveting B21J; uniting components by forging or pressing to form integral members B21K25/00; welding B23K; press-fitting, force-fitting, or shrinking in general B23P11/00, B21D19/00; by adhesives F16B11/00 ); Tube expanders > of sheet metal by folding, e.g. connecting edges of a sheet to form a cylinder

Of 4 combined children, 0 exist in both systems.

4 codes are CPC-only extensions.

Child Classifications

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