B - Operations – Transporting – 29 – C
Patent
B - Operations, Transporting
29
C
B29C 45/03 (2006.01) B29C 45/07 (2006.01) B29C 45/17 (2006.01) B29C 45/50 (2006.01) B29C 45/70 (2006.01)
Patent
CA 2041775
ABSTRACT PLASTICIZING AND INJECTING UNIT FOR USE IN AN INJECTION MOLDING MACHINE The plasticizing and injecting unit com- prises at least one hydraulic advance-retract actuator that is provided with external screw threads, which are screwed into internal screw threads of a bore formed in a carrier and supply block. Means for locking the advance- retract actuator in the bore in that the interengaging screw threads are wedged against each other comprise a plurality of lock screws, which are parallel to the in- jection axis and disoosed on a circle that surrounds the bore in which the actuator is received. Said screws can be tightened to different degrees so that the carrier and supply block and the advance-retract actuator are biased in mutually opposite senses and any deviations from a co- axial arrangement of the interengaging screw threads can thus arbitrarily be changed in its magnitude and direc- tion. As a result, the stresses which result in the over- all structure from a deviation from a coaxial arrangement can be minimized by a simple manipulation.
Hehl Karl
Macrae & Co.
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