C-type frame for die tightening units mounted for an injection m

Details C-type frame for die tightening units mounted for an injection m C-type frame for die tightening units mounted for an injection m

1994-09-21

1996-01-09

Mackey, James P.

Plastic article or earthenware shaping or treating: apparatus

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

With means to heat or cool

100231, 425589, 4254501, 425595, B29C 4564

Patent

active

054824540

ABSTRACT:
A main frame for a C-type frame for die tightening units mounted for an injection molding machine is prepared by employing a casting process. The main frame includes an opposing pair of side frames, upper frames projecting forward of fore upper surfaces of the side frame and a front frame extending between both the side frames. The side frames, the upper frames and the front frame are cast and integrated with each other to form the main frame having a predetermined width. A base board made by casting or made of a steel plate is bolted to the lower end of the main frame to form a C-type frame, and a pair of support columns each made of a steel material extend through the joint portions where the side frames are integrally joined to the front frame. The tensile strength and the compressive strength of the C-type frame are increased by tightening the support columns via nuts threadably engaged with male threads machined at the opposite ends of each support column. With this construction, the C-type frame can be constructed with lighter weight and smaller dimensions.

REFERENCES:
patent: 2459845 (1949-01-01), Seely et al.
patent: 3662640 (1972-05-01), Wrona
patent: 4018150 (1977-04-01), Shiokawa
patent: 4708625 (1987-11-01), Arend

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