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Priority claimed from FR908755Aexternal-prioritypatent/FR1333307A/fr
Priority claimed from FR909018Aexternal-prioritypatent/FR1333395A/fr
Application filed by Rocma Anstalt SocfiledCriticalRocma Anstalt Soc
Publication of MC412A1publicationCriticalpatent/MC412A1/fr
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
B29C44/20—Shaping by internal pressure generated in the material, e.g. swelling or foaming ; Producing porous or cellular expanded plastics articles for articles of indefinite length
B29C44/30—Expanding the moulding material between endless belts or rollers
B—PERFORMING OPERATIONS; TRANSPORTING
B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
B29L—INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
B29L2007/00—Flat articles, e.g. films or sheets
MC450A1962-09-061963-08-30Procédé de fabrication de panneaux et d'élements en matiere expansée et machine pour la mise en oeuvre dudit procédé
MC412A1
(fr)