Molding method and apparatus and part produced thereby

Details Molding method and apparatus and part produced thereby Molding method and apparatus and part produced thereby

B - Operations, Transporting

29

C

B29C 45/14 (2006.01) B29C 33/00 (2006.01) B29C 33/28 (2006.01) B29C 45/26 (2006.01) B29C 45/64 (2006.01)

Patent

CA 2233503

A molding apparatus for encapsulating a glass sheet (S) includes a stationary mold base (25), a moveable side mold core (30) and a moveable top mold core (35) rotatable into and out of a facing relationship with the stationary mold base (25). The side and top mold cores (30, 35) are rotatable via toggle mechanisms (31, 36) by means of fluid cylinders (32, 37). When the side and top moveable cores (30, 35) are in the closed position, these cores cooperate with the stationary mold base (25) to define a mold cavity. The glass sheets (S) are secured to the stationary mold base by way of vacuum heads (27). Stops (26) help to position the glass sheets (S) on the stationary mold base (25). The apparatus is usable in a method of encapsulating a glass sheet.

Ce dispositif de moulage, destiné au revêtement d'une feuille de verre (S), comprend une base fixe (25) de moule, un noyau latéral et mobile (30) de moule, ainsi qu'un noyau supérieur et mobile (35) de moule, lequel peut tourner afin d'être ou de n'être pas face à la base (25). Le noyau latéral et le noyau supérieur (30, 35) peuvent tourner via des mécanismes à levier coudé (31, 36) et au moyen de cylindres hydrauliques (32, 37). Lorsque les noyaux mobiles (30, 35) sont en position de fermeture, ils coopèrent avec la base fixe du moule (25), afin de délimiter une cavité de moule. Les feuilles de verre (S) sont immobilisées sur la base fixe au moyen de têtes à vide (27), des butées (26) aidant au placement des feuilles de verre (S) sur cette base (25). On peut utiliser ce dispositif dans un procédé de revêtement d'une feuille de verre.

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