EBAUCHE TUBULAIRE EN RESINE SYNTHETIQUE POUR LE MOULAGE D'UN RECIPIENT EN FORME DE BOUTEILLE, ET CE RECIPIENT

• Main Author: AKIHO OTA ET FUMIO NEGISHI
• Format: Patent
• Language: French
• Published: 28.11.1980
• Subjects: AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING; MAKING GRANULES OR PREFORMS; PERFORMING OPERATIONS; PREPARATION OR PRETREATMENT OF THE MATERIAL TO BESHAPED; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIALCONTAINING PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDEDFOR; SHAPING OR JOINING OF PLASTICS; TRANSPORTING; WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL

L'INVENTION CONCERNE UNE EBAUCHE TUBULAIRE DESTINEE AU MOULAGE D'UN RECIPIENT EN FORME DE BOUTEILLE, MOULE EN RESINE SYNTHETIQUE A ORIENTATION BIAXIALE.LA PAROI DU CORPS DE L'EBAUCHE 21 PRESENTE UNE EPAISSEUR UNIFORME, CAR LE NOYAU UTILISE POUR LE MOULAGE DE L'EBAUCHE 21 EST CONFIGURE DE MANIERE QUE LE FOND 22 DE CETTE EBAUCHE 21 PRESENTE UNE SURFACE INTERIEURE 23 ORIENTEE PERPENDICULAIREMENT A L'AXE LONGITUDINAL DE LADITE EBAUCHE 21, ET AIT UN DIAMETRE SUPERIEUR A CELUI DU RESIDU 27 DE LA CAROTTE DE COULEE.DOMAINE D'APPLICATION: FABRICATION DE RECIPIENTS EN RESINE SYNTHETIQUE, PAR EXEMPLE EN POLYESTER SATURE. An injection moulded tubular parison has an inner bottom wall surface 23 formed perpendicularly with respect to the longitudinal axis of the parison and having a diameter larger than the diameter of the gate via which the parison was moulded, the gate during the moulding operation being opposite the base of a cone about which the parison is formed.