DIFF Subgroup
B29B 7/52 with rollers or the like, e.g. calenders
Introduced: January 1985
Full Title
Full titles differ between systems:
IPC:
Mixing; Kneading > continuous, with mechanical mixing or kneading devices > with movable mixing or kneading devices > with rollers or the like, e.g. calenders
CPC:
Mixing; Kneading ( in general B01F; combined with calendering B29C43/24, with injection B29C45/46, with extrusion B29C48/36) > continuous, with mechanical mixing or kneading devices > with movable mixing or kneading devices > with rollers or the like, e.g. calenders
Of 3 combined children, 2 exist in both systems.
1 codes are CPC-only extensions.
IPC defines codes here since 1985.
Child Classifications
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- B29B 7/54 with a single roller co-operating with a stationary member since 1985 IPC+CPC Available in IPC and CPC