Thermosensitive stencil paper
AssigneeRicoh Company, Ltd.
InventorsMasayasu Nonogaki, Fumiaki Arai, Yuji Natori, Hideyuki Yamaguchi
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AssigneeRicoh Company, Ltd.
InventorsMasayasu Nonogaki, Fumiaki Arai, Yuji Natori, Hideyuki Yamaguchi
Estimating the term…
A thermosensitive stencil paper in which a thermoplastic resin layer is formed on a porous tissue paper containing natural fibers therein, serving as a porous substrate, with plant elements contained in the porous tissue paper selected in such a fashion that (1) plant elements having a maximum width ranging from 100 .mu.m to 5 mm, a maximum length ranging from 100 .mu.m to 5 mm, and an area of 7800 .mu.m.sup.2 or more, when measured in a posture which provides a maximum area of the plant element are present in a number of 150 or less in a 100 cm.sup.2 area of the porous tissue paper; and (2) plant elements having a maximum width ranging from 300 .mu.m to 5 mm, a maximum length ranging from 300 .mu.m to 5 mm, and an area of 70,000 .mu.m.sup.2 or more are present in a number of 25 or less in a 100 cm.sup.2 area of the porous tissue paper.
A thermosensitive stencil paper comprising a porous tissue paper comprising a plurality of different plant elements (a) and (b), serving as a porous substrate, and a thermoplastic resin layer formed thereon:
Dependencies are inferred from the claim text.