Title:
TANK FASTENING STRUCTURE
Document Type and Number:
Japanese Patent JP2023056875
Kind Code:
A
Abstract:
To provide a tank fastening structure capable of improving a sealing performance with a liner and attachment accuracy to a tank without requiring high concentricity.SOLUTION: A tank fastening structure 100 includes: a fastening part 110 having a female screw 111 fastened to a male screw 231 of a mouthpiece 230 of a tank 200; and a seal part 120 disposed between the tank 200 and the fastening part 110. The fastening part 110 includes: a recessed part 112 having the female screw 111 provided on an inner peripheral surface thereof; and a first passage 131 in which an opening part 131a is provided at a center of a bottom surface of the recessed part 112. The seal part 120 includes: a flange part 121 abutting on a bottom surface of the fastening part 110; an insertion part 122 extending from the flange part 121 to a direction opposite to the fastening part 110 and inserted into a neck part 211 of a liner 210; and a second passage 132 penetrating through the insertion part 122 and the flange part 121 and forming a fluid passage 130 together with the first passage 131 of the fastening part 110.SELECTED DRAWING: Figure 1
Inventors:
SAWAI OSAMU
Application Number:
JP2021166349A
Publication Date:
April 20, 2023
Filing Date:
October 08, 2021
Export Citation:
Assignee:
TOYOTA MOTOR CORP
International Classes:
F16J13/12; F16J12/00; F17C1/06
Attorney, Agent or Firm:
Patent Attorney Corporation Hiraki International Patent Office
Previous Patent: Service providing mobile
Next Patent: Powdered leaf vegetable composition and powdered mixed seasoning using the same
Next Patent: Powdered leaf vegetable composition and powdered mixed seasoning using the same