DIFF Subgroup
B22D 41/14 Closures
Introduced: January 1990
Full Title
Full titles differ between systems:
IPC:
Casting melt-holding vessels, e.g. ladles, tundishes, cups or the like > Closures
CPC:
Casting melt-holding vessels, e.g. ladles, tundishes, cups or the like (B22D39/00, B22D43/00 take precedence) > Closures
IPC and CPC are identically structured here. All 3 subcodes exist in both systems.
IPC defines codes here since 1990.
Child Classifications
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- B22D 41/16 stopper-rod type, i.e. a stopper-rod being positioned downwardly through the vessel and the metal therein, for selective registry with the pouring opening since 1990 IPC+CPC Available in IPC and CPC
- B22D 41/22 sliding-gate type, i.e. having a fixed plate and a movable plate in sliding contact with each other for selective registry of their openings since 1990 IPC+CPC Available in IPC and CPC
- B22D 41/44 Consumable closure means, i.e. closure means being used only once since 1990 IPC+CPC Available in IPC and CPC