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US 12,343,958 B2Granted
Rubber-metal laminate and gasket
AssigneeNok Corporation
InventorsIsao Watanabe, Ryota Shimura, Daiki Takekawa
Life of this patent
Estimating the term…
Abstract
A rubber-metal laminate that includes a metal member; and a rubber layer provided on the metal member, wherein the rubber layer has a 100%-modulus value in accordance with JIS K6251 of 8.5 MPa or more and a thickness of 80 μm or more. A gasket that includes the rubber-metal laminate.
Claims5
A rubber-metal laminate comprising:
- a metal member;
- and
- a rubber layer provided on the metal member,
- wherein
- the rubber layer has
- a 100%-modulus value in accordance with JIS K6251 of 8.5 MPa or more and
- a thickness of 80 μm or more and 200 μm or less,
- the rubber layer contains 30 mass % or more of carbon black based on a total mass of the rubber layer,
- the blending amount of the carbon black is 45 parts by mass or more and less than 57 parts by mass per 100 parts by mass of a rubber component,
- the rubber layer does not contain silica,
- the rubber layer contains a non-hydrogenated nitrile rubber, and
- the carbon black is SRF carbon black.
9 more elements
Dependencies are inferred from the claim text.