Plastic article or earthenware shaping or treating: apparatus – Female mold and charger to supply fluent stock under... – With means to heat or cool
Patent
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
Miyahara Masaaki
Nakamura Nobuyuki
Takizawa Kiyoto
Mackey James P.
Nissei Plastic Industrial Co. Ltd.
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