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Publication of BE838247ApublicationCriticalpatent/BE838247A/xx
B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
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
B29C44/00—Shaping by internal pressure generated in the material, e.g. swelling or foaming ; Producing porous or cellular expanded plastics articles
B29C44/34—Auxiliary operations
B29C44/3442—Mixing, kneading or conveying the foamable material
BE164078A1975-02-181976-02-03Procede et appareillage pour realiser un melange continu dans des extrusions de matieres thermoplastiques
BE838247A
(fr)