US 11,982,379 B2
Fuel piping, fuel piping connecting structure, and method for manufacturing fuel piping
Masakazu Nomura, Koga (JP)
Assigned to Sanoh Industrial Co., Ltd., Tokyo (JP)
Appl. No. 17/787,186
Filed by Sanoh Industrial Co., Ltd., Tokyo (JP)
PCT Filed Dec. 1, 2020, PCT No. PCT/JP2020/044708
§ 371(c)(1), (2) Date Jun. 17, 2022,
PCT Pub. No. WO2021/131537, PCT Pub. Date Jul. 1, 2021.
Claims priority of application No. 2019-234715 (JP), filed on Dec. 25, 2019.
Prior Publication US 2023/0025308 A1, Jan. 26, 2023
Int. Cl. F16L 13/14 (2006.01); F16L 9/18 (2006.01); F16L 19/028 (2006.01)
CPC F16L 19/0283 (2013.01) [F16L 9/18 (2013.01)] 5 Claims
OG exemplary drawing
 
1. A fuel piping comprising:
an outer pipe having a connecting head extending outward in a radial direction in at least one end portion thereof; and
an inner pipe built in a part of the outer pipe and connected to both end portions of the connecting head in an axial direction,
wherein the inner pipe is crimped to both of the end portions of the connecting head in the axial direction.