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Patent Searching and Data


Title:
METAL GASKET
Document Type and Number:
WIPO Patent Application WO/2018/154918
Kind Code:
A1
Abstract:
A metal gasket (10) includes at least one metal substrate (11) that has an outer surface coated with a sealing material (19) and that is provided with a full bead (13), which is for sealing a cylindrical bore hole, and a half bead (16), which is for sealing a liquid hole. The metal gasket (10) is fitted between a cylinder head and a cylinder block. The metal gasket (10) is characterized as follows. The half bead (16) includes: an inclined plate part (16b) that is connected to a flat substrate body (11a) of the metal substrate (11) via a first curved part (16a) and is inclined with respect to the substrate body (11a); and an edge plate part (16d) that is connected to the inclined plate part (16b) via a second curved part (16c) and is inclined with respect to the inclined plate part (16b). The radius of the convex-side surface of the first curved part (16a) and the radius of the concave-side surface of the second curved part (16c) lie within a range of 2.0-3.5 mm.

Inventors:
WADA KAZUYA (JP)
HIRAYAMA SHINICHI (JP)
SUEYOSHI AKINORI (JP)
MURAOKA RYOSUKE (JP)
Application Number:
PCT/JP2017/044218
Publication Date:
August 30, 2018
Filing Date:
December 08, 2017
Export Citation:
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Assignee:
NIPPON LEAKLESS IND CO LTD (JP)
International Classes:
F02F11/00; F16J15/12
Foreign References:
JP2005315419A2005-11-10
JP2012082851A2012-04-26
JP2008038733A2008-02-21
JPH0362264U1991-06-18
Attorney, Agent or Firm:
SUGIMURA Kenji (JP)
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