Light lock

Details Light lock Light lock

1990-12-31

1992-03-31

Hix, L. T.

X-ray or gamma ray systems or devices

Photographic detector support

Dental

378187, G03B 1726

Patent

active

051012294

ABSTRACT:
A light lock is formed by a channel with spaced walls, with the channel being open at one side. A light absorbing material is positioned in the channel and has bristles projecting toward the opening. A flange projects through the opening toward the material but is spaced from the bristles. The channel can be formed on one portion of a magazine, cassette or the like, for light tight materials such as photographic film, and the flange can be formed on another portion of such a magazine or cassette.

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patent: 4110624 (1978-08-01), Conteas
patent: 4264821 (1981-04-01), Bauer
patent: 4386431 (1983-05-01), Van Landeghem et al.
patent: 4408340 (1983-10-01), Bauer
patent: 4589125 (1986-05-01), Schmidt
patent: 4634071 (1987-01-01), Hertel

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