by bending sheets or strips at right angles to the longitudinal axis of the article being formed and joining the edges

Introduced: January 1985

Full Title

Full titles differ between systems:

IPC:

Shaping by bending, folding, twisting, straightening or flattening; Apparatus therefor > Bending and joining, e.g. for making hollow articles > by bending sheets or strips at right angles to the longitudinal axis of the article being formed and joining the edges

CPC:

Shaping by bending, folding, twisting, straightening or flattening; Apparatus therefor (B29C61/10 takes precedence) > Bending and joining, e.g. for making hollow articles (B29C53/56 takes precedence) > by bending sheets or strips at right angles to the longitudinal axis of the article being formed and joining the edges

CPC subdivides this area 3x more granularly than IPC with 3 additional codes.

3 codes are CPC-only extensions.

IPC defines codes here since 1985.

Child Classifications

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B29C 53/382 CPC only CPC only
B29C 53/385 CPC only CPC only
B29C 53/387 CPC only CPC only
B29C 53/40 for articles of definite length, i.e. discrete articles since 1985 IPC+CPC Available in IPC and CPC
B29C 53/48 for articles of indefinite length, i.e. bending a strip progressively since 1985 IPC+CPC Available in IPC and CPC