Multiple-extruder head assembly with pivotal head parts

Details Multiple-extruder head assembly with pivotal head parts Multiple-extruder head assembly with pivotal head parts

1997-07-11

1998-12-22

Nguyen, Khanh P

Plastic article or earthenware shaping or treating: apparatus

Means feeding fluent stock from plural sources to common...

Extrusion shaping means

425183, 425186, 425188, 425190, 425462, B29C 4704, B29C 4714

Patent

active

058515615

ABSTRACT:
An extruder head assembly has a main stationary part adapted to be connected to a plurality of extruders, two head parts pivotal on the main part, and respective actuators associated with the pivotal head parts and having piston rods movable along respective longitudinal axes from the respective pivotal head parts to the stationary part. At least one of the actuators is mounted directly on the respective pivotal head part. Latches including interengaging formations on the stationary part and an outer end of the rod of the one actuator lock the pivotal head parts tightly against the stationary main part.

REFERENCES:
patent: 4652224 (1987-03-01), Golisch
patent: 4693679 (1987-09-01), Marth
patent: 4824353 (1989-04-01), Hirschkorn
patent: 4983113 (1991-01-01), Hirschkorn
patent: 5061166 (1991-10-01), Gohlisch et al.
patent: 5242290 (1993-09-01), Hiraiwa
patent: 5332380 (1994-07-01), Unland
patent: 5472332 (1995-12-01), Gohlisch et al.
patent: 5720986 (1998-02-01), Gohlisch et al.

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