US 12,326,192 B2
Gasket
Kazuya Aihara, Nihonmatsu (JP)
Assigned to NOK CORPORATION, (JP)
Appl. No. 17/923,268
Filed by NOK CORPORATION, Tokyo (JP)
PCT Filed May 26, 2021, PCT No. PCT/JP2021/019926
§ 371(c)(1), (2) Date Nov. 4, 2022,
PCT Pub. No. WO2021/241615, PCT Pub. Date Dec. 2, 2021.
Claims priority of application No. 2020-093376 (JP), filed on May 28, 2020.
Prior Publication US 2023/0235820 A1, Jul. 27, 2023
Int. Cl. F16J 15/08 (2006.01)
CPC F16J 15/0818 (2013.01) 6 Claims
OG exemplary drawing
 
1. A gasket comprising:
a metal base plate made of metal, and
a covering layer formed of an elastic body that covers at least a part of the metal base plate,
wherein the metal base plate comprises a pair of faces that are back-to-back to each other, a bead portion which is a portion protruding toward a side facing one face of the pair of faces, an inner periphery portion located immediately adjacent the bead portion which is a portion extending from an edge on an inner periphery side of the bead portion to a terminal edge of an opening of the metal base plate located on the inner periphery side of the bead portion, and an outer periphery portion located immediately adjacent to the bead portion and extending from an edge on an outer periphery side of the bead portion to a terminal edge of the metal base plate on the outer periphery side of the bead portion;
an entirety of the outer periphery portion extends toward a side facing another face of the pair of faces in an oblique manner with respect to a protruding direction of the bead portion; and
an entirety of the inner periphery portion extends toward the side facing another face of the pair of faces in the oblique manner with respect to the protruding direction of the bead portion.