Method and machine for molding elongated workpieces

Details Method and machine for molding elongated workpieces Method and machine for molding elongated workpieces

1981-09-22

1984-02-14

Pavelko, Thomas P.

Plastic article or earthenware shaping or treating: apparatus

Distinct means to feed, support or manipulate preform stock...

Female mold type means

425444, 4254501, 4254515, 425556, 249171, 249172, B29C 100

Patent

active

044313934

ABSTRACT:
A mold for molding elongated workpieces is comprised of three vertically oriented quadrants and a fourth quadrant pivotally mounted relative to the three quadrants between a mold open position and a generally vertically oriented mold closed position. A workpiece is loaded into the mold by positioning end plates on the workpiece and locating the combination on the fourth quadrant by positioning of the end plates on locating pins projecting from a frame member or tilt beam associated with the fourth quadrant. Slide assemblies are then moved into workpiece engaging positions on each end of the workpiece to accurately locate the workpiece relative to the fourth quadrant. The fourth quadrant with the workpiece locked thereon is then moved into a mold closed position for molding. Following the molding cycle the fourth quadrant is then lowered to a mold open position and an ejection mechanism is used to elevate the workpiece and end plates above the locating pins for easy removal of the workpiece and end plates from the fourth quadrant.

REFERENCES:
patent: 3626051 (1971-12-01), Liataud
patent: 3931951 (1976-01-01), Fougea
patent: 3999736 (1974-02-01), Theodorsen

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