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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B29B
PREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
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B29B7/30
continuous, with mechanical mixing or kneading devices
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B29B7/34
with movable mixing or kneading devices
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B29B7/46
with more than one shaft
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B29B7/48
with intermeshing devices, e.g. screws
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B29B7/481
provided with paddles, gears or discs
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