Plastic article or earthenware shaping or treating: apparatus – With apparatus assembly or dismantling means or with idle part – For extrusion or injection type shaping means
Patent
1988-10-04
1989-07-25
Woo, Jay H.
Plastic article or earthenware shaping or treating: apparatus
With apparatus assembly or dismantling means or with idle part
For extrusion or injection type shaping means
425192R, B29C 4562
Patent
active
048508411
ABSTRACT:
A plasticizing and injecting unit for use in an injection molding machine, having a carrier and supply block (10), which includes a pair of second bores (14), which are symmetrical with respect to the injection axis (s--s), and a pair of third bores (13), which are also symmetrical to the injection axis. The second bores contain respective advance-retract cylinders (A). The third bores contain respective injection cylinders (E). The advance-retract cylinders (A) are operable to axially advance and retract the plasticizing and injecting unit. The injection cylinders (E) are operable to inject molten plastic material into the injection mold. The second bores (14) are symmetrical to a first plane (f--f), which defines an angle (.alpha.) with a horizontal plane (h--h) extending through the injection axis (s--s). The third bores are symmetrical to a second plane (e--e), which includes a second angle (.beta.) with the horizontal plane.
REFERENCES:
patent: 4668178 (1987-05-01), Hehl
patent: 4680002 (1987-07-01), Hehl
Heitbrink Timothy W.
Woo Jay H.
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