Photocopying – Contact printing – Light boxes
Patent
1991-01-11
1993-06-15
Braun, Fred L.
Photocopying
Contact printing
Light boxes
355280, 355290, G03G 1516
Patent
active
052203883
ABSTRACT:
A method of transferring toner images carried by an photoconductive layer to a image receiving sheet having an adhesion layer thereon transfers the toner image by putting the adhesion layer of the transfer sheet into contact with the photoconductive layer. The adhesive layer is made of a material which is softened and becomes adhesive upon exposure to heat or light, and is subjected to heat or light when the image receiving sheet is put into contact with the photoconductive layer to transfer the toner image on the photoconductive layer onto the image receiving sheet. The apparatus includes a moving device which moves the image receiving sheet having the adhesion layer, the adhesion layer being formed of a material sensitive to either heat or light, and which is adhesive only upon heat or light being applied thereto. A transferring device transfers the toner images onto the adhesion layer, and an adhesive softening device softens the adhesion layer. The toner images are transferred to the image receiving sheet when the adhesion layer contacts the photoconductive layer.
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patent: 3685896 (1972-08-01), Kaupp
patent: 3904875 (1975-09-01), Rees et al.
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patent: 4780742 (1988-10-01), Takahashi et al.
patent: 4863543 (1989-09-01), Shiozawa et al.
patent: 4891677 (1990-01-01), Shiozawa et al.
Braun Fred L.
Fuji Photo Film Co. , Ltd.
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