The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.

The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.

Date of Patent:
Nov. 15, 2016

Filed:

Mar. 28, 2005
Applicants:

Masahiro Mohri, Mie-ken, JP;

Minoru Fujiyoshi, Mie-ken, JP;

Fumitaka Satoh, Tokyo, JP;

Tamaki Hamaguchi, Tokyo, JP;

Tomoyuki Minami, Tokyo, JP;

Inventors:

Masahiro Mohri, Mie-ken, JP;

Minoru Fujiyoshi, Mie-ken, JP;

Fumitaka Satoh, Tokyo, JP;

Tamaki Hamaguchi, Tokyo, JP;

Tomoyuki Minami, Tokyo, JP;

Assignee:

HITACHI METALS LTD., Tokyo, JP;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F16L 11/00 (2006.01); F16L 11/20 (2006.01); F16L 11/15 (2006.01); H02G 3/04 (2006.01);
U.S. Cl.
CPC ...
F16L 11/20 (2013.01); F16L 11/15 (2013.01); H02G 3/0468 (2013.01);
Abstract

The formation of a resin layer, a metal layer and an insulating resin layer on an outer surface of a corrugated metal pipe for flowing a fluid provides a flexible pipe, whose corrugated metal pipe does not suffer from having apertures even with spark discharge by induced lightning.


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