Denso Corporation

Denso Airs Corporation

Hiroki Oguchi

Shun Kurata

Fumiaki Nakamura

Hiroki Naganawa

Kinji Ochiai

Hiroki Ohara

A method of manufacturing a double pipe includes a step of inserting a straight inner pipe into a straight outer pipe such that the inner pipe and the outer pipe are positioned at a predetermined relative position, a step of fixing a first end portion of the outer pipe to the inner pipe so as to form a first fixing portion, a step of bending the outer pipe and the inner pipe at the same time at a predetermined portion so as to form at least one bending portion after the fixing step of the first end portion, and a step of fixing a second end portion of the outer pipe to the inner pipe so as to form a second end portion after the bending.

Growing community of inventors

Kariya, Japan

Hiroki Oguchi