Rubber blanket for offset printing
AssigneeKinyosha Co., Ltd.
InventorsYoshiharu Ogawa, Hiroshi Koriyama
Life of this patent
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Abstract
The present invention provides a rubber blanket for an offset printing, comprising a surface rubber layer, a first fabric layer, a compressible layer and a second fabric layer, wherein the thickness of the blanket falls within a range of between 1.65 mm and 3 mm, the first fabric layer is a plain weave having a thickness falling within a range of between 0.2 mm and 0.35 mm, the second fabric layer is a plain weave having a thickness falling within a range of between 0.35 mm and 0.55 mm, a tensile strength not lower than 50 kgf/cm, and an elongation at break not higher than 7.5%, and the compressible layer has a thickness falling within a range of between 0.5 mm and 2.15 mm.
Claims8
A rubber blanket for an offset printing, comprising:
- a surface rubber layer;
- a first fabric layer bonded to the lower surface of said surface rubber layer;
- a compressible layer bonded to the lower surface of said first fabric layer;
- and
- a second fabric layer bonded to the lower surface of said compressible layer;
- wherein:
- the thickness of the blanket falls within a range of between 1.65 mm and 3 mm;
- said first fabric layer is a plain weave having a thickness falling within a range of between 0.2 mm and 0.35 mm;
- said second fabric layer is a plain weave having a thickness falling within a range of between 0.35 mm and 0.55 mm, a tensile strength not lower than 50 kgf/cm, and an elongation at break not higher than 7.5%;
- and
- said compressible layer has a thickness falling within a range of between 0.5 mm and 2.15 mm.
Dependencies are inferred from the claim text.