Title:
PROCESS OF MANUFACTURE OF FUEL RAIL AND FUEL RAIL
Document Type and Number:
Japanese Patent JP2019167898
Kind Code:
A
Abstract:
To provide a process of manufacture of fuel rail and the fuel rail manufactured by this process of manufacture, in which a stress concentration restriction location can be easily formed at a peripheral wall inner surface side of an open hole in respect to the fuel rail in which a cylindrical peripheral wall through which fuel can flow is formed with an open hole.SOLUTION: A process of manufacture of a fuel rail 40 provided with a cylinder 42 through which fuel flows is carried out in such a way that an open hole 50 is formed at a peripheral wall 43 of a cylinder 42 under application of a first cutting tool 60 and then a second cutting tool 62 is inserted into the open hole 50 from outside the cylinder 42, the second cutting tool 62 is rotated to cut an edge part of a peripheral wall inner surface 43A of the open hole 50 and then a diameter of a side of a peripheral wall inner surface 43A at the open hole 50 is expanded.SELECTED DRAWING: Figure 5
Inventors:
KANAYA KENTO
Application Number:
JP2018056951A
Publication Date:
October 03, 2019
Filing Date:
March 23, 2018
Export Citation:
Assignee:
SANOH IND CO LTD
International Classes:
F02M55/02
Attorney, Agent or Firm:
Atsushi Nakajima
Kato Kazunori
Hiroshi Fukuda
Kato Kazunori
Hiroshi Fukuda