Mold clamping system

Details Mold clamping system Mold clamping system

1997-06-11

1998-06-30

Mackey, James P.

Plastic article or earthenware shaping or treating: apparatus

With apparatus assembly or dismantling means or with idle part

For press shaping surface

425192R, B29C 3330

Patent

active

057730415

ABSTRACT:
Mold clamping apparatus (30) for selectively detachably securing a lower mold plate (20) mounting a lower mold section (M) relative to the lower platen (21), lower bolster (22) and lower housing (12) of a tire curing press (10) comprising, a plurality of bores (21', 22', 12') extending through the lower platen, the lower bolster and the lower housing, a tapered bore (71) in the lower mold plate, a locking rod (31) positioned in each of the bores and extending into the tapered bore, a contractible member (40) affixed to the lower platen and extending into the tapered bore when the lower mold plate is seated on the lower platen, a jam nut (33) mounted on the locking rod movable into and out of engagement with the contractible member, and a biasing assembly 55 urging the jam nut into contact with the contractible member for locking the contractible member in the tapered bore to secure the lower mold plate to the lower platen.

REFERENCES:
patent: 4580959 (1986-04-01), Pizzorno et al.
patent: 4790739 (1988-12-01), Manfredi
patent: 4955799 (1990-09-01), Katayama et al.
patent: 4964792 (1990-10-01), Katayama et al.
patent: 5259742 (1993-11-01), Ichikawa et al.
patent: 5271727 (1993-12-01), Irie

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