Mold closing unit for use in an injection molding machine for pr

Details Mold closing unit for use in an injection molding machine for pr Mold closing unit for use in an injection molding machine for pr

1994-04-25

1996-04-30

Mackey, James P.

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

100231, 100281, 4254516, 425593, B29C 4566

Patent

active

055119638

ABSTRACT:
In a mold closing unit for use in an injection molding machine for processing synthetic materials arranged on a mounting surface an electro-mechanical drive is applied in a toggle mechanism, at which the driving unit is movably held. The electro-mechanical drive converts a rotational movement of a driving unit into a linear movement for the toggle. The length of the lever and the length of the driving element is less than the distance from the mounting surface to the link points. A quill motor can be provided as a driving unit. This arrangement allows that the linear drive and the mold closing unit can be of a shorter and more compact construction.

REFERENCES:
patent: 3577596 (1971-05-01), Bullard et al.
patent: 3976416 (1976-08-01), Hehl
patent: 5122051 (1992-06-01), Joyner
patent: 5354196 (1994-10-01), Ziv-Av
Patent Abstracts of Japan, vol. 14, No. 6 (M-916) (3949) Jan. 9, 1990 & JP 1-255516, Dec. 10, 1989.

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