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FR2397280A1 Expired / Lapsed FR ⏱️ 0.0 years remaining

Tools for two=stage injection moulding of composite structures - using parting line shifts to isolate partial interfaces for the initial moulding

Assignee: OPmobility SE
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Filing: 1977-07-12
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Granted: —
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Expires: 1997-07-12
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Abstract

Abstract Translated from French Procédé et dispositif de moulage par injection de pièces thermoplastiques composés de parties de natures ou de couleurs différentes. Dans un moule formé de deux demi-moules rapprochés, on injecte une première partie de pièce dans une première empreinte, on écarte les deux demi-moules d'une certaine distance, on injecte une nouvelle partie dans une nouvelle empreinte ainsi formée et communique avec la première tout en isolant le volume supplémentaire de la première partie L'invention est applicable à la fabrication de pièces en matière plastique Process and device for injection molding thermoplastic parts composed of parts of different types or colors. In a mold formed of two close-together half-molds, a first part of the part is injected into a first cavity, the two half-molds are separated by a certain distance, a new part is injected into a new cavity thus formed and communicates with the first while isolating the additional volume of the first part The invention is applicable to the manufacture of plastic parts

Inventors

No inventors recorded.

Bibliographic Details

Application Number —
Jurisdiction FR
Data Source google_patents
Last Synchronized 2026-11-01 06:28
CPC Classifications
B; B29; B29C; B29C45/00; B29C45/16; B29C45/1635

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