Stock material or miscellaneous articles – Structurally defined web or sheet – Discontinuous or differential coating – impregnation or bond
Patent
1992-05-13
1994-11-08
Ryan, Patrick J.
Stock material or miscellaneous articles
Structurally defined web or sheet
Discontinuous or differential coating, impregnation or bond
428206, 428212, 428327, 428412, 428413, 4284735, 428480, 428484, 4284881, 428500, 428520, 428520, 428913, 428914, 156234, B41M 526
Patent
active
053625480
ABSTRACT:
A thermal image transfer recording medium is composed of a support, and a thermofusible ink layer formed on the support, the thermofusible ink layer containing a thermofusible material with a loaded needle penetration of 2 or less at 25.degree. C., and a coloring agent, and having a shearing strength of 8 to 20 gf/cm at 20.degree. C., and an adhesion strength of 1.0 to 2.0 gf/cm with respect to the support. The thermofusible ink layer can be composed of a first ink layer formed thereon, comprising finely-divided particles of a thermofusible material with a loaded needle penetration of 2 or less at 25.degree. C. and an average particle diameter in the range of 0.5 to 3.0 .mu.m, with a voidage of 5 to 30 vol. %, and a second ink layer formed on the first ink layer, composed of a thermofusible material with a loaded needle penetration of 2 or less at 25.degree. C., which may be in the form of finely-divided particles, and a coloring agent.
REFERENCES:
patent: 4777079 (1988-10-01), Nagamoto et al.
patent: 4818605 (1989-04-01), Suzuki et al.
patent: 4828904 (1989-05-01), Shiraishi et al.
patent: 4965124 (1990-10-01), Shiraishi et al.
patent: 5229189 (1993-07-01), Hiyoshi et al.
Derwent Abstract 88-094924/14 of JP 63-45091.
Derwent Abstract 88-101611/15 of JP 63-51180.
Hiyoshi Yoshihiko
Ide Youji
Kunitake Tetsuji
Maeda Nobuyuki
Surizaki Kumi
Krynski William A.
Ricoh & Company, Ltd.
Ryan Patrick J.
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