Apparatus for molding and/or die-casting plastics, rubber and th

Details Apparatus for molding and/or die-casting plastics, rubber and th Apparatus for molding and/or die-casting plastics, rubber and th

1998-01-12

1999-10-26

Mackey, James P.

Plastic article or earthenware shaping or treating: apparatus

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

With means to close mold

100286, 4254516, B29C 4564

Patent

active

059717432

ABSTRACT:
The device for the closure of dies is provided with a system of levers (10), (11), (17) and (18) forming a double toggle joint each with seven pivot points and a mobile intermediate plate (14). The device permits a substantial increase in the course of the mobile plate while maintaining unchanged the connections of the connecting rods and permits achievement of a greater length of the useful course of the mobile plate while maintaining parity with the prior art in the space occupied by the course, also a reduction of the thrust forces to which the components of the device are subjected as well as a lower production cost under equal production conditions.

REFERENCES:
patent: 2744304 (1956-05-01), Kaul
patent: 2792592 (1957-05-01), McGee
patent: 5252286 (1993-10-01), Bugatti
patent: 5603969 (1997-02-01), Guindani et al.

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