Injection mold with accessorial ejecting mechanism

Details Injection mold with accessorial ejecting mechanism Injection mold with accessorial ejecting mechanism

2007-01-30

2007-01-30

Del Sole, Joseph S. (Department: 1722)

Plastic article or earthenware shaping or treating: apparatus

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

Mold having movable core or movable pin

C425S438000, C425S441000, C425S443000, C425S4360RM, C425S556000

Reexamination Certificate

active

11014995

ABSTRACT:
The present invention provides an accessorial ejecting mechanism mounted beneath a male mold section. The accessorial ejecting mechanism includes an accessorial plate, a rail, a slider, and a movable board. The accessorial plate secured to the male mold section has a recess in the top surface thereof. The rail is received in the recess and fixed to the accessorial plate. The slider, connecting a driving device, is slidable along the rail. The slider defines at least a guiding groove whose opposite ends are in different height. The movable board is also received in the recess. At least a guiding post is fixed to a side of the movable board and extends outwardly into the guiding groove. Sliding of the slider makes the movable board move up and down. Pin cores for forming pinholes of a molded article are fixed to the movable board so as to move up and down together with the movable board.

REFERENCES:
patent: 3197825 (1965-08-01), Hammond
patent: 4157888 (1979-06-01), Sikorski
patent: 4306851 (1981-12-01), Thune
patent: 5112207 (1992-05-01), Pinsonneault
patent: 5538413 (1996-07-01), Gardner et al.
patent: 5670184 (1997-09-01), Nakamichi et al.
patent: 2006/0034974 (2006-02-01), Hashimoto et al.

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