Battery container mold

Details Battery container mold Battery container mold

1981-05-18

1982-08-03

Flint, Jr., J. Howard

Static molds

Including means to apply force to remove or release product...

Pin or sleeve means

249 64, 425438, 425577, B29C 106, B29C 700, B29F 1022, B29F 114

Patent

active

043424422

ABSTRACT:
Mold for injection molding battery containers which include a plurality of thin resilient ribs integral with and projecting at acute angles from the inside walls thereof into the cell compartment(s) to hold the battery's innards therein. The core of the mold includes a mandrel defining the cell compartment. The mandrel has dovetail-like mortises therein and complementary-shaped ejector bars reciprocally slideable within the mortises between retracted and extended positions to facilitate stripping the container from the core. The rib-forming portion of the mold cavity is formed in the side walls of the ejector bar. The ejector bars travel with the container during at least part of the ejection cycle so as to free the rib from the rib-forming cavity without untoward resistance or permanent deformation of the ribs.

REFERENCES:
patent: 3473197 (1969-10-01), Wilds
patent: 3509603 (1970-05-01), Halsall et al.
patent: 3564660 (1971-02-01), Darnell
patent: 3607440 (1971-09-01), Daniel et al.
patent: 3767156 (1973-10-01), Sullivan
patent: 3816047 (1974-06-01), Mahler
patent: 3905740 (1975-09-01), Lovejoy
patent: 3930780 (1976-01-01), Lovejoy
patent: 3969055 (1976-07-01), Buckethal
patent: 4041603 (1977-08-01), Thune

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