Injection unit for an injection moulding machine

Details Injection unit for an injection moulding machine Injection unit for an injection moulding machine

2006-04-25

2006-04-25

Heitbrink, Tim (Department: 1722)

Plastic article or earthenware shaping or treating: apparatus

Control means responsive to or actuated by means sensing or...

Mold motion or position control

C264S040700

Reexamination Certificate

active

07033158

ABSTRACT:
An injection screw is rotationally driven by a rotating motor having a stator and a rotor and can be moved by a number of electrical linear motors, linear motor comprising a primary part, which functions as a stator, and a secondary part, which is linearly movable in the axial direction in a screw cylinder to execute the injection function. The primary parts are assembled to form a first housing-like unit and the secondary parts are assembled to form a second housing-like unit which is coupled to the screw for drive purposes. The rotating motor, fixedly connected to the screw in the axial direction, is arranged with its stator fixedly coupled in the axial direction to the secondary housing-like unit.

REFERENCES:
patent: 5679384 (1997-10-01), Emoto
patent: 6051896 (2000-04-01), Shibuya et al.
patent: 199 20 626 (2000-11-01), None

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