JPS59175048U

JPS59175048U - tank cap

Info

Publication number: JPS59175048U
Application number: JP6920283U
Authority: JP
Inventors: 海老沼　孝徳
Original assignee: 小松ゼノア株式会社
Priority date: 1983-05-11
Filing date: 1983-05-11
Publication date: 1984-11-22

Abstract

(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Abstract] This bulletin contains application data before electronic filing, so abstract data is not recorded.

Description

[Brief explanation of the drawing]

第１図は本考案の一実施例の側断面図、第２図は要部の
拡大側断面図、第３図は要部の斜視説明　　　　′図で
ある。（図面の主要な部分を表わす符号の説明）、１・・・タ
ンク、３・・・注入口、９・・・ねじ孔、１１・・・イ
ンナーキャップ、１３・・・鍔部、１７・・・通気孔、
１９・・・係止部、２１・・・通気路。FIG. 1 is a side sectional view of an embodiment of the present invention, FIG. 2 is an enlarged side sectional view of the main part, and FIG. 3 is a perspective view of the main part. (Explanation of symbols representing main parts of the drawing), 1...tank, 3...inlet, 9...screw hole, 11...inner cap, 13...flange, 17...・Vent holes,
19...Locking portion, 21...Air passage.

Claims

[Scope of utility model registration request]

An inner cap 11 having a flange 13 that is compressed and sealed is provided between the bottom surface of the screw hole 9 that is screwed into the outer periphery of the injection port 3 and the distal end surface of the injection port 3, and the inner cap 1
In a tank cap provided with a ventilation passage '21 that communicates the inside of the tank 1 with the atmosphere through a ventilation hole 17 provided in the tank 1, a plurality of vent holes 21 are provided on the outer periphery of the flange 13 and project at appropriate intervals in the circumferential direction. The locking portions 19, 19. ... are arranged along the thread direction of the screw hole 9, and the thickness of the locking part 19 in the axial direction is smaller than the thickness of the flange part 13. cap.