Patent classifications
B
PERFORMING OPERATIONS; TRANSPORTING
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B29
WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
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B29C
SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
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66/00
General aspects of processes or apparatus for joining preformed parts
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B29C66/80
General aspects of machine operations or constructions and parts thereof
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B29C66/83
characterised by the movement of the joining or pressing tools
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B29C66/834
moving with the parts to be joined
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B29C66/8341
Roller, cylinder or drum types; Band or belt types; Ball types
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B29C66/83411
Roller, cylinder or drum types
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B29C66/83415
the contact angle between said rollers, cylinders or drums and said parts to be joined being a non-zero angle
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