Plastic article or earthenware shaping or treating: apparatus – Control means responsive to or actuated by means sensing or... – Mold motion or position control
Patent
1991-10-10
1994-04-12
Heitbrink, Tim
Plastic article or earthenware shaping or treating: apparatus
Control means responsive to or actuated by means sensing or...
Mold motion or position control
425190, 425192R, 425574, 425575, B29C 4580
Patent
active
053021037
ABSTRACT:
An injection molding machine having a machine frame, an injection assembly coupled with the frame, a press assembly also coupled with the frame, a mold-mounting assembly coupled with the press assembly, and a mold pallet assembly secured to the press assembly by the mold mounting-assembly. The mold pallet assembly includes first and second mold pallet units which define a mold cavity when they are placed in a closed condition. The mold pallet assembly further includes alignment members which ensure correct alignment between the first and second mold pallet units when in a closed condition. The first mold pallet unit includes an injection assembly for engagement with the injection assembly. The mold-mounting assembly includes first and second mold-mounting devices, securing the first and second mold pallet units, respectively, to the press assembly. The mold-mounting assembly further includes a sensor which indicates the correct alignment of the mold pallet assembly relative to the press assembly. The press assembly moves the first and second mold pallet units between a closed condition and an open condition in which they are separated from each other. Movement of the first mold pallet unit by the press assembly engages the unit with the injection assembly.
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European Search Report EP 92 30 766 2.
Brown Robert L.
England Todd A.
Huff Edward F.
GenCorp Inc.
Heitbrink Tim
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