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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B29B7/52
with rollers or the like, e.g. calenders
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B29B7/56
with co-operating rollers; , e.g. with repeated action, i.e. the material leaving a set of rollers being reconducted to the same set or being conducted to a next set
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B29B7/566
provided with means to take material away from a set of rollers and to reconduct it to the same set; provided with endless belts, e.g. which can be in or out of cooperation with at least one of the rollers
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B29B7/566

Production of rubber mixtures in a rubber mixture production line incorporating one or more twin-screw mixing and extrusion machines
12479130 · 2025-11-25 · ·

A production line (200) for performing multi-pass mixing sequences of rubber mixtures has at least one first mixing line (200A) that produces a masterbatch and at least one second line (200B) that performs a final mixing process during a final pass of a multi-pass rubber mixing sequence. A mixing process produces a variety of rubber mixtures in a production line of the type disclosed.