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PCE
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DIFF Subgroup
B29C 63/38

by liberation of internal stresses

Introduced: January 1985

Full Title

Full titles differ between systems:

IPC:

Lining or sheathing, i.e. applying preformed layers or sheathings of plastics; Apparatus therefor > by liberation of internal stresses

CPC:

Lining or sheathing, i.e. applying preformed layers or sheathings of plastics; Apparatus therefor (B29C73/00 takes precedence; by blowing B29C49/00; by thermoforming B29C51/00) > by liberation of internal stresses

IPC and CPC are identically structured here. All 4 subcodes exist in both systems.

IPC defines codes here since 1985.

Child Classifications

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  • B29C 63/40 using sheet or web-like material since 1985 IPC+CPC Available in IPC and CPC
  • B29C 63/44 the shape of the layers or sheathings being adapted to the shape of the articles since 1985 IPC+CPC Available in IPC and CPC
  • B29C 63/46 of internal surfaces since 1985 IPC+CPC Available in IPC and CPC