Process for printing reflective sheet material

Details Process for printing reflective sheet material Process for printing reflective sheet material

1977-04-25

1979-05-08

Clingman, A. Lionel

Bleaching and dyeing; fluid treatment and chemical modification

Treatment of hides, skins, feathers and animal tissues

Tanning

350 97, 350105, 428323, D06P 500, G02B 5128

Patent

active

041534123

ABSTRACT:
A process for imparting colored image patterns to an exposed lens retroreflective sheet material comprising disposing a preprinted sublimable-dye source sheet over the exposed lens surface under sufficient pressure to insure intimate contact therebetween, and heating the source sheet to the dye sublimation temperature, whereupon the retroreflective sheet becomes visibly patterned with the pattern on the source sheet.

REFERENCES:
patent: 2403752 (1946-07-01), Phillippi
patent: 2646364 (1953-07-01), Porth
patent: 3707346 (1972-12-01), Markert et al.
patent: 3829286 (1974-08-01), Anzai et al.
patent: 4012562 (1978-07-01), Harper et al.

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