Plastic and nonmetallic article shaping or treating: processes – Mechanical shaping or molding to form or reform shaped article – Forming plural articles
Patent
1991-10-10
1993-05-11
Heitbrink, Jill L.
Plastic and nonmetallic article shaping or treating: processes
Mechanical shaping or molding to form or reform shaped article
Forming plural articles
2642977, 2643288, 26432811, 425575, B29C 4504
Patent
active
052098893
ABSTRACT:
A shuttle assembly for an injection molding machine includes a shuttle-support unit adapted to be attached to the machine frame and a shuttle-mold interfacing unit, slidably coupled to the support unit. Mold-coupling members removably coupling a first movable mold platen unit and a second mold platen unit to the shuttle-mold interfacing unit. During operation of the shuttle assembly, a shuttle-drive unit selectively reciprocally indexes the shuttle-mold interfacing unit in a preferably horizontal shuttle-travel path between (i) a first shuttle position whereat the first movable mold platen unit, when coupled thereto, is situated at a first unloading/loading position, and the second movable platen unit, when coupled thereto, is situated at a clamping position; and (ii) a second shuttle position where the first movable mold platen unit, when coupled thereto, is situated at a clamping position, and the second movable platen unit, when coupled thereto, is situated at a second unloading position. In the preferred embodiment, the first unloading position and the second unloading position are located on opposite sides of the clamping position.
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Brown Robert L.
Huff Edward F.
GenCorp Inc.
Heitbrink Jill L.
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