Injection molding machine having a precision clamping unit

Details Injection molding machine having a precision clamping unit Injection molding machine having a precision clamping unit

1989-11-27

1992-05-05

Heitbrink, Timothy

Plastic article or earthenware shaping or treating: apparatus

Female mold and charger to supply fluent stock under...

With means to close mold

4254501, 4254517, 4254519, 425595, B29C 4566

Patent

active

051102838

ABSTRACT:
A device for precisely aligning, mating and clamping two injection mold plates, in which device, a first mold plate is rigidly attached to a support table and a second mold plate is slidably guided on parallel guide bars into contact with the first mold plate by at least two symmetrically placed, parallel ball spindles which are driven synchronously by a hydraulic motor.

REFERENCES:
patent: 2372833 (1945-04-01), Jobst
patent: 3208105 (1965-09-01), White
patent: 3656877 (1972-04-01), Aoki
patent: 4304540 (1981-12-01), Hammon
patent: 4380427 (1983-04-01), Hehl
patent: 4545756 (1985-10-01), Hiroshi et al.
patent: 4622194 (1986-11-01), Rogers et al.
patent: 4781568 (1988-11-01), Inaba

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