Record receiver having plural interactive leaves or a colorless – Having plural interactive leaves
Patent
1992-01-06
1994-06-07
Hess, B. Hamilton
Record receiver having plural interactive leaves or a colorless
Having plural interactive leaves
156235, 428195, 428211, 428913, 428914, B41M 5035, B41M 538
Patent
active
053189418
DESCRIPTION:
BRIEF SUMMARY
FIELD OF THE INVENTION
The present invention relates to an image forming method, an image forming apparatus and an image forming member, by which it is possible to form a gradation image such as a photograph of face, landscape, etc. on visiting card, post card, advertising leaflets, personal history statement, personal record, identification card, driver's license, season ticket, membership card or other paper mount, or plain paper, or to form a non-gradation image such as characters, symbols, etc., to easily form a gradation image such as photograph of face on a desired area of passport, pocketbook, coupon ticket booklet, notebook, etc. in order to prevent alteration and falsification.
TECHNICAL BACKGROUND
It is now often mandatory to print not only characters and symbols, but also gradation image such as photograph of face of a person or a product on papers, cards, etc. such as visiting card, post card, advertising leaflets, personal history statement, personal record, identification card, etc. For example, visiting cards are now widely used as a kind of identification cards regardless of the type of profession, and it is now practiced to use a photograph of face of the bearer on a part of visiting card in order to increase the credibility of the visiting card.
As a method to add a photograph of face of the bearer on a visiting card, there is a method to attach a photograph of face, photographed or printed, on a mount of the visiting card, but this method is expensive and complicated. There is another method to provide a photograph of face by printing it when the visiting card is produced Because the visiting cards are produced usually not in very large quantity, this requires expensive cost and long time until the visiting cards are completed, thus resulting much inconveniences.
Such problem is not limited to the visiting cards, but it occurs in the cases of paper mounts on various types of greeting cards, such as new year cards, letter of appreciation to the attendant in wedding ceremony, report on birth of a child, etc.
In general, to form characters, symbols and photographic images on plain paper at the same time, general-purpose photogravure or offset printing are widely used. However, expensive photoengraving and printing processes are required for such methods, and this results in the problem of cost in case of small-lot printing of several to several tens of copies although there is no such problem if printed in large quantity such as several thousands to several tens of thousand copies.
To solve the problem, various types of personal printers have been developed for personal use. However, it is difficult to form a gradation image such as photograph of face by heat fusion type thermal transfer. On the other hand, sublimation type thermal transfer can provide excellent gradation reproducibility and color reproducibility and can provide characters, symbols, etc. at the same time with a gradation image such as photograph of face, whereas special-purpose image receiving paper having resin layer in the surface is required.
FIG. 1 shows a transfer mechanism in such sublimation transfer method. In the figure, a transfer film comprises a heat-resistant smooth layer 1a, a transfer base material lb and dye layer 1c, which are laminated via primer for the better adhesion to the coating material. A film with easily adhesive treatment may be used. The heat-resistant smooth layer 1a consists of a mixture of polyvinyl butyral, polyisocyanate, and phosphoric acid ester. The transfer base material 1b consists of polyethylene terephthalate, polyimide, etc., and the dye layer 1c consists of sublimation dye of indoaniline type, pyrazolone type, azo type, etc. and a binder of polyvinyl acetal, cellulose type, etc.
The image receiving paper 2 comprises a receiving layer 2b and an image receiving paper base material 2a laminated via primer. The receiving layer 2b consists of saturated polyester, polyvinyl chloride, etc., and the base material 2a consists of synthetic paper, foamed polyester, foamed polypropylene, e
REFERENCES:
patent: 5006502 (1991-04-01), Fujimura et al.
patent: 5064807 (1991-11-01), Yoshida et al.
Patent Abstracts of Japan, vol. 12, No. 272 (M-724), Jul. 28, 1988, JP(A) 63-053095 (Abstract).
Kita Tatsuya
Ohshima Katsuyuki
Ueno Takeshi
Yamauchi Mineo
Dai Nippon Printing Co. Ltd.
Hess B. Hamilton
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