Method for the production of inscribed keys

Details Method for the production of inscribed keys Method for the production of inscribed keys

1985-11-21

1987-05-26

Thurlow, Jeffery

Plastic and nonmetallic article shaping or treating: processes

Carbonizing to form article

Agglomeration or accretion

264132, 264245, 427 431, 427 531, 430270, B29C 7102

Patent

active

046684506

ABSTRACT:
The invention facilitates application of light colored inscriptions of arbitrary size on a dark colored key body, the key body consists of a dark colored base component and a light colored component which bears the inscription, which are produced by two-color injection. The light colored component which bears the inscription is then darkened by thermal diffusion, with the exception of the inscription.

REFERENCES:
patent: 1781071 (1930-11-01), Moyle
patent: 3651191 (1972-03-01), Glatt et al.
patent: 4013747 (1977-03-01), Hampel
patent: 4307047 (1981-12-01), Edinger et al.
patent: 4391764 (1983-07-01), Edinger et al.
patent: 4443392 (1984-04-01), Becker et al.
patent: 4460534 (1984-07-01), Boehm et al.

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