Title:
PROTECTION COVER DEVICE AND POSITIONING STRUCTURE OF EXTERNAL FITMENT MEMBER OF PROTECTION COVER
Document Type and Number:
Japanese Patent JP2022121961
Kind Code:
A
Abstract:
To prevent an external fitment member such as a cock cover arranged at an end part of a protection cover in an external fitment state from moving to the protection cover, or from getting out of the protection cover.SOLUTION: One of a plurality of block maintenance tools D for maintaining a block state of a divided opening 1 of a long-length cylindrical protection cover C0 for accommodating a fluid pipe P therein is attached to one end part of the protection cover C0 in an axial direction, and a positioning protrusion 22a abutting on an end face of the block maintenance tool D at a depth side is formed inside divided bodies E1a, E1b of a two-divided structure cock cover E1, a positioning ring part 35 abutting on a release end face C0a of the protection cover C0 is arranged inside a sideway opening 36 of one divided body E1b having a sideway opening 34, and the cock cover E1 does not move to both sides in the axial direction with respect to the protection cover C0.SELECTED DRAWING: Figure 11
Inventors:
NAKAMURA ATSUSHI
Application Number:
JP2021018970A
Publication Date:
August 22, 2022
Filing Date:
February 09, 2021
Export Citation:
Assignee:
MIRAI IND
International Classes:
F16L57/00
Attorney, Agent or Firm:
Tetsuhiro Naito