Injection molding apparatus with perpendicular hot tip gates

Details Injection molding apparatus with perpendicular hot tip gates Injection molding apparatus with perpendicular hot tip gates

1993-12-21

1994-11-22

Heitbrink, Tim

Plastic article or earthenware shaping or treating: apparatus

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

With means to heat or cool

2642972, 2643288, 26432815, 425570, 425572, B29C 4522

Patent

active

053663705

ABSTRACT:
Multi-cavity injection molding apparatus with hot tip gates extending perpendicular to the direction of mold opening to provide very clean shearing action. The heated nozzles extend diagonally outward in two rows from a pair of diagonal surfaces extending along an elongated melt distribution manifold. Each nozzle has a pointed tip extending outwardly at an angle to its longitudinal axis in alignment with one of the gates. The outward angles of the nozzles themselves and their pointed tips enable the gates to be oriented parallel to the parting line and perpendicular to the direction of mold opening.

REFERENCES:
patent: 4344750 (1982-08-01), Gellert
patent: 4768945 (1988-09-01), Schmidt et al.
patent: 5217730 (1993-06-01), Teng
1979-Plastverarbeiter-FIG. 28, vol. 30, No. 2-pp. 83-88.
Mold-Masters Limited Brochure-E-CMSSN-11-1990 "Injection Molding with Compact Master-Shot"-p. 7.

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