Radiation imagery chemistry: process – composition – or product th – Electric or magnetic imagery – e.g. – xerography,... – Post imaging process – finishing – or perfecting composition...
Patent
1994-09-30
1996-08-20
Goodrow, John
Radiation imagery chemistry: process, composition, or product th
Electric or magnetic imagery, e.g., xerography,...
Post imaging process, finishing, or perfecting composition...
G03G 1322
Patent
active
055477933
ABSTRACT:
This invention provides a method for using paper repeatedly by flaking and removing an image from the paper, even if the image has been touched up on the paper with handwriting, and a preferable printing tool used in the method. The method includes the steps of touching up the image on the paper with the printing tool containing a main component of a colored thermoplastic resin particle and being formed into a stick shape by solidifying the resin particle alone or with binder resin sticking to the resin particle. The image can be formed on the paper with a liquid-applying type of printing tool having a liquid container containing a resin dispersion liquid being formed by dispersing the resin particle in a solvent. Regenerating of the paper by removing the touched-up image from the paper comprises the steps of wetting the paper through a treatment liquid such as water, and while heating the resin particle of the image, adhering the resin particle to a flaking member having a greater adherent force to the resin particle than the adherent force between the resin particle and a surface of the paper so as to flake and remove the resin particle from the surface of the paper.
REFERENCES:
patent: 4872777 (1989-10-01), Dalbke
patent: 5098772 (1992-03-01), af Strom
patent: 5110702 (1992-05-01), Ng et al.
Ando Kazuhiro
Asaba Youichi
Kimura Yoshiyuki
Kuramoto Shin-ichi
Miyashita Yoshiaki
Goodrow John
Ricoh & Company, Ltd.
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