Mold clamping mechanism of molding machine

Details Mold clamping mechanism of molding machine Mold clamping mechanism of molding machine

2006-11-14

2006-11-14

Mackey, James P. (Department: 1722)

Plastic article or earthenware shaping or treating: apparatus

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

With means to close mold

C425S595000, C425S450100

Reexamination Certificate

active

07134870

ABSTRACT:
In a mold clamping mechanism of a molding machine, at least two pieces of movable platen guides are provided separate from tie bars, inserting the movable platen guides into the holes formed in a movable platen. A sliding part of each movable platen guide on which at least the movable platen slides is given in the form of a ball spline shaft. Also, ball spline nuts are provided in the holes formed in the movable platen.

REFERENCES:
patent: 3642403 (1972-02-01), Havlik
patent: 4781568 (1988-11-01), Inaba
patent: 5378141 (1995-01-01), Aoki
patent: 6626658 (2003-09-01), Ito et al.
patent: 2235262 (1999-10-01), None
patent: 61-188121 (1986-08-01), None
patent: 63-242512 (1988-10-01), None
patent: 7-156232 (1995-06-01), None
patent: 11-028747 (1999-02-01), None
patent: 2001-260196 (2001-09-01), None
EP Search Report for corresponding application EP 04 25 2107 dated Aug. 12, 2004.
First Examination Report (Office Action) in corresponding Chinese Patent Application 2004100307745.

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