DIFF Subgroup
B21D 39/06 of tubes in openings, e.g. rolling-in
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 tubes in openings, e.g. rolling-in
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 tubes in openings, e.g. rolling-in
Of 2 combined children, 0 exist in both systems.
2 codes are CPC-only extensions.
Child Classifications
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