FR91868E - Procédé de fabrication de pièces légères à structure cellulaire par moulage sous pression de matières synthétiques à densité comprise entre 0, 2 et 0, 9
- Google Patents
Procédé de fabrication de pièces légères à structure cellulaire par moulage sous pression de matières synthétiques à densité comprise entre 0, 2 et 0, 9
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Collo Rheincollodium Koeln GmbH
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Collo Rheincollodium Koeln GmbH
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Priority to FR95084ApriorityCriticalpatent/FR91868E/fr
Application grantedgrantedCritical
Publication of FR91868EpublicationCriticalpatent/FR91868E/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
B29C44/02—Shaping by internal pressure generated in the material, e.g. swelling or foaming ; Producing porous or cellular expanded plastics articles for articles of definite length, i.e. discrete articles
B29C44/10—Applying counter-pressure during expanding
FR95084A1966-02-261967-02-15Procédé de fabrication de pièces légères à structure cellulaire par moulage sous pression de matières synthétiques à densité comprise entre 0, 2 et 0, 9
ExpiredFR91868E
(fr)
Procédé de fabrication de pièces légères à structure cellulaire par moulage sous pression de matières synthétiques à densité comprise entre 0, 2 et 0, 9
Procédé de fabrication de pièces légères à structure cellulaire par moulage sous pression de matières synthétiques à densité comprise entre 0, 2 et 0, 9
Procédé de fabrication de pièces légères à structure cellulaire par moulage sous pression de matières synthétiques à densité comprise entre 0, 2 et 0, 9
Fabrication process for spectacle-frames provided with flexible rods, and specific spectacle-frames and rods made according to said fabrication process