Method and apparatus for compression molding plastic articles

Details Method and apparatus for compression molding plastic articles Method and apparatus for compression molding plastic articles

B - Operations, Transporting

29

C

B29C 43/08 (2006.01) B29C 43/42 (2006.01) B29C 43/50 (2006.01)

Patent

CA 2563071

A method and apparatus for compression molding plastic articles include a plurality of tools mounted in opposed pairs (14) with the tools of each pair including opposed first (16) and second (20) actuators that define a mold cavity in which a charge of plastic is compression molded. The tooling is preferably carried by a rotary turret (12) so that first (16) and second (20) actuators of each tooling pair are moveable relative to each other between an open position permitting formed articles to be removed from the tooling and to receive fresh charges of plastic, and a closed position to compression mold the charges of plastic.

L'invention concerne une méthode et un appareil pour un moulage par compression d'articles en plastique. L'appareil de l'invention comprend une pluralité d'instruments montés par paires opposées, les instruments de chaque paire comprenant un premier actionneur et un second actionneur opposés définissant une cavité de moule dans laquelle une charge de plastique est moulée par compression. Les outils sont de préférence portés par une tourelle rotative de sorte que le premier actionneur et que le second actionneur de chaque paire d'outils sont mobiles entre eux, entre une position ouverte permettant aux articles formés d'être évacués des instruments, et de recevoir de nouvelles charges plastiques, et une position fermée pour le moulage par compression des charges de plastique.

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