Printing sheet for stamp
AssigneeBrother Kogyo Kabushiki Kaisha
InventorsKeiji Seo, Mitsunobu Suda, Takashi Okumura, Koji Sugiyama
Life of this patent
Estimating the term…
Abstract
A printing sheet used in a stamp includes a porous layer in which ink can be impregnated and a fibrous layer provided to a side of the porous layer opposite to the pattern. The porous layer carries a pattern on a surface thereof, the pattern including a non-print portion which blocks the permeation of the ink and a print portion which allows the permeation of the ink. The fibrous layer prevents the deformation of the porous layer. The fibrous layer is so constituted that ink can be impregnated therein.
Claims39
A printing sheet used in a stamp, said printing sheet comprising:
- a porous layer in which ink can be impregnated, said porous layer tending to deform when impregnated with ink;
- and
- a fibrous layer made of fibers, said fibrous layer being attached to one side of said porous layer and reducing the deformation of the porous layer due to ink impregnation;
- wherein said porous layer carries a pattern on a surface thereof, said pattern including a non-print portion which blocks permeation of said ink and a print portion which allows permeation of said ink.
A base sheet used to produce a printing sheet used in a stamp, said base sheet comprising:
- a porous layer in which ink can be impregnated, said porous layer tending to deform when impregnated with ink;
- and
- a fibrous layer made of fibers, said fibrous layer being attached to one side of said porous layer and reducing the deformation of said porous layer due to ink impregnation;
- wherein a pattern can be formed on a surface of said porous layer by heating said surface according to a desired image, said pattern including a non-print portion which blocks permeation of said ink and a print portion which allows permeation of said ink.
A base sheet used to produce a printing sheet used in a stamp, said base sheet comprising:
- a porous layer in which ink can be impregnated, said porous layer tending to deform when impregnated with ink;
- and
- a deformation reducing material which is attached to one side of said porous layer and reduces the deformation of said porous layer due to ink impregnation;
- wherein a pattern can be formed on a surface of said porous layer by heating said surface according to a desired image, said pattern including a non-print portion which blocks permeation of said ink and a print portion which allows permeation of said ink.
A stamp comprising:
- a stamp body;
- and
- a printing sheet mounted to said stamp body,
- wherein said printing sheet comprises a porous layer in which ink can be impregnated and a fibrous layer made of fibers, the fibrous layer being attached to one side of said porous layer, the porous layer tending to deform when impregnated with ink and the fibrous layer reducing the deformation of the porous layer due to ink impregnation;
- wherein said porous layer carries a pattern on a surface thereof, said pattern including a non-print portion which blocks permeation of said ink and a print portion which allows permeation of said ink.
Dependencies are inferred from the claim text.