Devices for the fold-free stretching and holding of liquid cryst

Details Devices for the fold-free stretching and holding of liquid cryst Devices for the fold-free stretching and holding of liquid cryst

1978-10-20

1981-01-13

Lawson, Patrick D.

Textiles: ironing or smoothing

Smoothing implements

Stretchers

40152, 160380, D05C 104, G09F 112, A47G 500

Patent

active

RE0304760

ABSTRACT:
A frame for holding and stretching liquid crystal films for thermographic diagnosis of cutaneous and subcutaneous disorders. A foil coated with the liquid crystal is held and stretched by the frame. The frame comprises an [outer] inner member 1 which is secured to [inner] outer member 2 by clips 3 registering in openings 8. The frame members are contoured so the stretching is effected without formation of folds.

REFERENCES:
patent: 2760299 (1956-08-01), Gable et al.
patent: 3408759 (1968-11-01), Rotheraine et al.
patent: 3596385 (1971-08-01), Tachibana
patent: 3729045 (1973-04-01), McDonald
patent: 3885333 (1975-05-01), Zachary

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