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PCE
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DIFF Subgroup
B29C 53/42

using internal forming surfaces, e.g. mandrels

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 > for articles of definite length, i.e. discrete articles > using internal forming surfaces, e.g. mandrels

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 > for articles of definite length, i.e. discrete articles > using internal forming surfaces, e.g. mandrels

IPC and CPC are identically structured here. All 1 subcodes exist in both systems.

IPC defines codes here since 1985.

Child Classifications

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  • B29C 53/44 rotatable about the axis of the article since 1985 IPC+CPC Available in IPC and CPC