US 11,702,225 B2
Cap seal, fastening structure provided with the same, and method for mounting cap seal
Hiroki Akamatsu, Tokyo (JP); and Koji Irie, Tokyo (JP)
Assigned to MITSUBISHI HEAVY INDUSTRIES, LTD., Tokyo (JP)
Appl. No. 17/58,860
Filed by MITSUBISHI HEAVY INDUSTRIES, LTD., Tokyo (JP)
PCT Filed Apr. 12, 2019, PCT No. PCT/JP2019/015965
§ 371(c)(1), (2) Date Nov. 25, 2020,
PCT Pub. No. WO2020/026533, PCT Pub. Date Feb. 6, 2020.
Claims priority of application No. 2018-143777 (JP), filed on Jul. 31, 2018.
Prior Publication US 2021/0221532 A1, Jul. 22, 2021
Int. Cl. F16B 37/14 (2006.01); B64D 45/02 (2006.01); F16B 33/00 (2006.01); F16J 15/14 (2006.01)
CPC B64D 45/02 (2013.01) [F16B 37/14 (2013.01); F16B 33/004 (2013.01); F16J 15/14 (2013.01)] 8 Claims
OG exemplary drawing
 
1. A cap seal comprising:
a plurality of cap portions each of which includes an opening at one end thereof, includes a space formed therein, and has insulating properties; and
a base portion that connects peripheries of end portions of the respective cap portions on sides of the openings and has insulating properties,
wherein a protruding portion of a fastening member and a sealing material are housed in the space of each cap portion, and
a surface of the base portion on sides of the openings is a mounting surface.