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US 2020/0398601 A1Published application
Printing rubber blanket and manufacturing method of the same
AssigneeKinyosha Co., Ltd.
InventorsRyuta TANAKA, Masakuni KAWAGUCHI
Life of this patent
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Abstract
A printing rubber blanket includes base layer, a surface rubber layer provided on one surface of the base layer and metal layer provided on the other surface of the base layer on the opposite side of the surface rubber layer. The metal layer includes a passivation layer on at least a surface thereof on the opposite side of the base layer.
Claims10
A printing rubber blanket comprising:
- a base layer;
- a surface rubber layer provided on one surface of the base layer;
- and
- a metal layer provided on the other surface of the base layer on the opposite side of the surface rubber layer, wherein
- the metal layer includes a passivation layer on at least a surface thereof on the opposite side of the base layer.
2 more elements
A manufacturing method of a printing rubber blanket comprising:
- a step of subjecting at least one surface of metallic foil to chemical conversion treatment to thereby form a passivation layer;
- a step of preparing a rubber blanket piece including a base layer and a surface rubber layer;
- and
- a step of bonding a surface of the metallic foil on the opposite side of the passivation layer and a surface of the rubber blanket piece on the base layer side to each other.
1 more element
Dependencies are inferred from the claim text.