Producing weld-line free injection molded parts

Details Producing weld-line free injection molded parts Producing weld-line free injection molded parts

B - Operations, Transporting

29

C

B29C 45/00 (2006.01) B29C 45/38 (2006.01) B29C 45/40 (2006.01) B29C 45/42 (2006.01) B29C 65/06 (2006.01) B29C 69/00 (2006.01) B29C 65/02 (2006.01)

Patent

CA 2149917

An injection molding mechanism and method of its use for the formation in a single sequence of operations of weld-line free cylindrical container body portions (24) having a central opening at one end. The central opening is formed by the removal of the central top sprue portion (28) of the container body (24). This container body (24) produced by this mechanism can be used to produce a pressurizable dispensing container.

La présente invention a pour objet un mécanisme de moulage par injection ainsi qu'une méthode d'utilisation du mécanisme en question aux fins de production, en une seule et unique séquence d'opérations, des corps (24) de contenants cylindriques sans cordon de soudure, et comportant une extrémité percée d'une ouverture centrale. L'ouverture centrale en question est réalisée par enlèvement de la partie située au sommet du corps du contenant (24). Le corps de contenant (24) produit par la mise en oeuvre du mécanisme en question peut servir à la fabrication de récipients de distribution sous pression.

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