Trimming apparatus

Details Trimming apparatus Trimming apparatus

1992-10-05

1993-12-28

Woo, Jay H.

Plastic article or earthenware shaping or treating: apparatus

Female mold and means to shape parison directly by internal...

With means to sever product

425289, 425806, 264 80, 264161, B29C 3702, B29C 4972

Patent

active

052734226

ABSTRACT:
A trimming apparatus for trimming blow molded plastic workpieces includes a torch for heat trimming the workpiece; a turntable for supporting the workpiece, rotatably mounted relative to the torch; and a cam for guiding the torch, the cam cooperating the turntable with the torch so that the torch follows a contour of the workpiece when the turntable is rotated relative to the torch. The cam is preferably disposed on the turntable and in registry with the workpiece, and has a contour selected according to the contour of a surface of the workpiece to be trimmed so as to properly position the torch relative to the surface of the workpiece to be trimmed.

REFERENCES:
patent: 2670645 (1954-03-01), Pipper et al.
patent: 3055047 (1962-09-01), Preissler
patent: 3702789 (1972-11-01), Dungan
patent: 4279584 (1981-07-01), Hawrylo
patent: 4518551 (1985-05-01), Lin
patent: 4535223 (1985-08-01), Westerman, Jr.
patent: 4535224 (1985-08-01), Westerman, Jr.
patent: 4549066 (1985-10-01), Piccioli et al.
patent: 4894958 (1990-01-01), Takasaki

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