US 7,549,904 B2
Metal gasket for marine engine
Takuma Kameyama, Shizuoka (Japan); Takanobu Suzuki, Shizuoka (Japan); and Hiroyuki Matsumoto, Saitama (Japan)
Assigned to Yamaha Hatsudoki Kabushiki Kaisha, Shizuoka (Japan)
Filed on Jul. 27, 2007, as Appl. No. 11/829,820.
Claims priority of application No. 2006-204576 (JP), filed on Jul. 27, 2006.
Prior Publication US 2009/0020961 A1, Jan. 22, 2009
Int. Cl. B63H 21/14 (2006.01); F02F 11/00 (2006.01)
U.S. Cl. 440—88C  [277/592] 14 Claims
OG exemplary drawing
 
8. A method of making a metal gasket comprising providing a backing material comprising steel, forming a galvanizing film on a surface of the backing material, forming a sealing rubber film on a surface of the galvanizing film, applying a silane coupling type vulcanizing adhesive to the surface of the galvanizing film formed on the surface of the backing material and heating it at a temperature of 100° C. to 200° C. for a prescribed period to generate a zinc oxide film on the surface of the galvanizing film and bake the silane coupling type vulcanizing adhesive, and calcining vinylidene fluoride type rubber containing a polyol type vulcanizing agent onto its surface to form the sealing rubber film.