Method of molding case for push-button switch

Details Method of molding case for push-button switch Method of molding case for push-button switch

1987-09-24

1989-02-07

Silbaugh, Jan H.

Plastic and nonmetallic article shaping or treating: processes

Mechanical shaping or molding to form or reform shaped article

To produce composite, plural part or multilayered article

26427215, 264277, B29C 4514, B29C 4533

Patent

active

048030309

ABSTRACT:
A method of molding a case for use in a push-button switch as employed on a television receiver, video tape recorder, or the like. A contact plate having a central fixed contact and two opposite fixed contacts is mounted between an upper die and a lower die. One of the dies has a central support portion and two opposite support portions. In one embodiment, the central fixed contact and the opposite firxed contacts are pressed against the central support portion and the opposite support portions, respectively. A locating pin that tapers off is pressed against the central fixed contact. Two other locating pins are pushed to the vicinities of the opposite fixed contacts.

REFERENCES:
patent: 2341364 (1944-02-01), Crumrine
patent: 4246213 (1981-01-01), Takamatsu et al.

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