IP Library Granted Patent US 11,585,474
Granted Patent B2
US 11,585,474 · App. 16/651,382 · Granted Feb 21, 2023

Pipe joint

Inventors: Yoshinori Yoshida (Tokyo, JP); Masahiro Mori (Tokyo, JP)
Assignee: Hitachi Metals, Ltd.
F16L25/01F16L25/0036
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Quick Facts
Patent No.
US 11,585,474
App. No.
16/651,382
Granted
Feb 21, 2023
Kind
B2
Abstract

A pipe joint connecting a first pipe having conductivity and being grounded and a second pipe including a corrugated metallic pipe member and a conductive layer having lower electric resistance than metal forming the pipe member and covering the pipe member, the pipe joint including a connection part that has conductivity and is connected to the first pipe, a housing part that has conductivity, is engaged with the connection part, and houses the second pipe inside the housing part by insertion of the second pipe along an axis direction of the second pipe, and a conductive member that includes a first part in contact at least partially with the housing part and a second part exposed to an outside of the housing part to be in contact with the conductive layer.

Claims (10)

1. A pipe joint connecting a first pipe having conductivity and being grounded and a second pipe including a corrugated metallic pipe member and a conductive layer having lower electric resistance than metal forming the pipe member and covering the pipe member, the pipe joint comprising:

a connection part having conductivity and connected to the first pipe;

a housing part having conductivity, engaged with the connection part, and housing the second pipe inside the housing part by insertion of the second pipe along an axis direction of the second pipe; and

a conductive member that includes a first part in contact with an inner portion of the housing part and a second part exposed to an outside of the pipe joint and being in contact with the conductive layer,

wherein the second part is in contact with the conductive layer by a projection projecting toward the conductive layer,

the conductive member includes a third part configured to be engaged with an outer edge of the pipe member of the second pipe in the housing part, and

the conductive member includes a part between the second part and the third part, wherein the part faces the second pipe and does not contact the second pipe.

2. The pipe joint according to claim 1 , wherein

the first part includes a surface facing at least one side of the axis direction, and

the housing part is engaged with the connection part from the one side and fixes the second pipe through the conductive member, in a state that the third part is engaged with the outer edge of the second pipe.

Assignments (3)
CHANGE OF ADDRESS Recorded Sep 11, 2024
From: HITACHI METALS, LTD.
To: HITACHI METALS, LTD.
Reel/Frame 068944/0403 →
CHANGE OF NAME Recorded Sep 11, 2024
From: HITACHI METALS, LTD.
To: PROTERIAL, LTD.
Reel/Frame 068944/0827 →
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Mar 27, 2020
From: YOSHIDA, YOSHINORI; MORI, MASAHIRO
To: HITACHI METALS, LTD.
Reel/Frame 052241/0523 →
Priority Claims (1)
JP JP2017-189342 · Sep 29, 2017 · national
Continuity (1)
Related Publication 20200263816A1 · Aug 20, 2020