Exchangeable multiplunger transfer molding die apparatus

Details Exchangeable multiplunger transfer molding die apparatus Exchangeable multiplunger transfer molding die apparatus

1987-09-25

1988-08-30

Woo, Jay H.

Plastic article or earthenware shaping or treating: apparatus

With apparatus assembly or dismantling means or with idle part

For extrusion or injection type shaping means

264 405, 2642972, 2643284, 2643287, 425398, 425419, 425556, 425574, 425588, B29C 4502

Patent

active

047673028

ABSTRACT:
In a conventional multiplunger transfer molding die apparatus having plungers for pressurizing molding material put in plural material supply pots formed in each mated surface of upper and lower chase blocks, when the pitch of the material supply pots is required to change, the whole die apparatus has been exchanged, thus a complicated adjustment work of the plunger pitch, a broad die storage space, an uneconomical die apparatus preparation being required. To overcome these problems, only the upper and lower chase blocks are exchanged and the pitch of plungers is adjusted according to the replaced chase blocks by means of locating means.

REFERENCES:
patent: 4544340 (1985-10-01), Hehl
patent: 4632653 (1986-12-01), Plocher

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