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US 4,728,111 AGranted
Compressed asbestos sheet gasket which swells in presence of liquids
AssigneesToyota Jidosha Kabushiki Kaisha, Asahi Asbestos Co., Ltd.
InventorsKazuya Yoshijima, Tsutomu Hayakawa
Life of this patent
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Abstract
A sheet gasket comprising a swelling sheet, a non-swelling layer laminated on the swelling sheet, and an adhesive layer coated on the surface of the non-swelling layer. This gasket is adapted to be inserted between flanges having different coefficients of thermal expansion, with the adhesive layer adhered to one of the flanges and the exposed swelling sheet adjacent to the other flange.
Claims13
A gasket comprising
- a swelling sheet having opposed surfaces;
- a non-swelling layer having two opposed faces, one face being laminated to one of said opposed surfaces of the swelling sheet;
- and
- an adhesive layer coated on the other face of said non-swelling layer.
1 more element
Dependencies are inferred from the claim text.