Extrusion apparatus

Details Extrusion apparatus Extrusion apparatus

1992-05-07

1993-05-18

Woo, Jay H.

Plastic article or earthenware shaping or treating: apparatus

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

Extrusion shaping means

264260, 4251311, 4251331, B29C 6300

Patent

active

052119637

ABSTRACT:
Dual extrusion apparatus with a horizontal extruder and a vertical extruder connected to an extruder head and in which the weight of the vertical extruder is carried by a frame. The vertical material extruder is permitted to expand upwardly under temperature variations so as to minimize stress. Also, the extruder head and the vertical extruder are movable together horizontally to comply with temperature induced expansion and contraction.

REFERENCES:
patent: 3277225 (1966-10-01), Heard, Jr.
patent: 3692447 (1972-09-01), Nelson
patent: 4280801 (1981-07-01), Wheeler, Jr. et al.

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