B - Operations – Transporting – 29 – C
Patent
B - Operations, Transporting
29
C
B29C 49/48 (2006.01) B29C 33/30 (2006.01)
Patent
CA 2218397
The invention concerns a device for producing thermoplastic containers, in particular bottles, by the blow-moulding or stretch blow-moulding of a pre-heated preform. The device comprises at least one mould consisting of two half-moulds (2) each supported by a mould carrier, the two mould carriers being movable relative to each other. Each half-mould (2) comprises a shell holder (9), supported by the respective mould carrier, and a shell (7) which is equipped with a half-impression (8) of the container to be obtained and can be rendered integral in a detachable manner with its shell holder (9) by rapid-fastening means (19-23). The shell (7) and the shell holder (9) are of complementary shapes such that they contact each other at least partially for heat conduction purposes whilst the pipes and connections for circulating cooling and/or heating fluids are provided in the shell holder alone.
Dispositif pour fabriquer des récipients, notamment des bouteilles, en une matière thermoplastique par soufflage ou étirage-soufflage d'une préforme préalablement chauffée, ledit dispositif comportant au moins un moule constitué de deux demi-moules (2) supportés par respectivement deux portes-moules mobiles l'un par rapport à l'autre; chaque demi-moule (2) comprend un porte- coquille (9) supporté par le porte-moule respectif et une coquille (7) munie d'une demi-empreinte (8) du récipient à obtenir et solidarisable de façon amovible à son porte-coquille (9) par des moyens de fixation rapide (19-23), la coquille (7) et le porte-coquille (9) étant conformés de façon complémentaire pour être en contact mutuel au moins partiel de conduction thermique tandis que les conduits et raccordements de circulation de fluides de refroidissement et/ou de chauffage sont prévus exclusivement dans le porte-coquille.
Briere Dominique
Coisy Leon
La Barre Paul
Santais Pascal
Goudreau Gage Dubuc
Sidel
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