Neck ring and method of making for a glass container forming...

C - Chemistry – Metallurgy – 03 – B

Patent

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Details

C03B 9/325 (2006.01) B22D 25/00 (2006.01)

Patent

CA 2719914

A neck ring for molding a glass container neck finish that includes at least one closure attachment feature. The neck ring includes two semi-annular bi-met-al neck ring sections (12, 14), each consist-ing essentially of a neck ring insert (20, 22) of wear- resistant metal construction and a neck ring body (16, 18) of heat-conductive metal construction different from said wear--resistant metal construction and formed around said neck ring insert so as to embed it in said neck ring body. Each of said neck ring halves has a glass-contacting cavity face that includes a first surface portion (30, 32) formed by said inserts for molding the at least one closure attachment feature on the neck finish and a second surface portion (34, 36) formed by said bodies for molding portions of the neck finish excluding the at least one closure attachment feature.

La présente invention concerne un moule de bague permettant de mouler une bague de col de récipient en verre comprenant au moins un élément de fixation de fermeture. Le moule de bague comprend deux sections de moule de bague semi-circulaires bimétalliques (12, 14), chacune étant essentiellement constituée d'un insert de moule de bague (20, 22) de construction métallique résistant à l'usure et d'un corps de moule de bague (16, 18) de construction métallique thermoconductrice différente de ladite construction métallique résistant à l'usure et formée autour dudit insert de moule de bague de façon à l'encastrer dans ledit corps du moule de bague. Chacune desdites moitiés de moule de bague présente une face de cavité en contact avec le verre qui comprend une première partie de surface (30, 32) formée par lesdits inserts pour mouler le ou les éléments de fixation de fermeture sur la bague du col et une seconde partie de surface (34, 36) formée par lesdits corps pour mouler les parties de la bague du col sans le ou les éléments de fixation de fermeture.

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