Two-shot injection molding

Details Two-shot injection molding Two-shot injection molding

1982-09-07

1984-07-17

Hoag, Willard E.

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

264250, 264268, 264269, 264334, B29C 700, B29D 900, B29F 112

Patent

active

044605340

ABSTRACT:
The complete, two-color, multiple keybutton array of a keyboard is molded by a two-shot injection molding method which uses a rotating, double female die means selectively cooperating with two male dies. The finished keybutton array is ejected to a carrier which then cooperates with a gathering fixture, which fixture is then movably adjusted to place the keybuttons in position for assembly to the keyboard.

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patent: 3354249 (1967-11-01), Morin
patent: 4165959 (1979-08-01), Dechavanne
patent: 4309380 (1982-01-01), Sauer

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