Title:
FLEXIBLE EXPANSION PIPE
Document Type and Number:
WIPO Patent Application WO/2022/172564
Kind Code:
A1
Abstract:
An expansion joint F1 comprises a peripheral wall P having a uniform thickness and provided with crest parts M and trough parts V alternately and continuously over the total length, wherein a height H1 of a crest part M1 and a height H2 of a crest part M2 (in addition, each width of the crest parts M1 and M2 and a width S of the trough part V) are set such that the crest part M2, which is as short as the height H2, enters between the adjacent crest parts M1 and M1, which are as tall as the height H1, when the peripheral wall P is deformed.
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Inventors:
IWAMOTO SHINICHI (JP)
Application Number:
PCT/JP2021/044676
Publication Date:
August 18, 2022
Filing Date:
December 06, 2021
Export Citation:
Assignee:
NEURON JAPAN CO LTD (JP)
International Classes:
F16J3/04; F16J15/52; F16L11/11; F16L11/15; F16L27/12
Foreign References:
| JPS50127047A | 1975-10-06 | |||
| JPS49110161U | 1974-09-20 | |||
| JPS60180866U | 1985-11-30 | |||
| JPH08100873A | 1996-04-16 | |||
| JPS55142756U | 1980-10-13 | |||
| JPS5744285U | 1982-03-11 | |||
| JPH01188789A | 1989-07-28 | |||
| JPS56143682U | 1981-10-29 | |||
| JPS4519009Y1 | 1970-08-03 | |||
| JPS57121458U | 1982-07-28 | |||
| JP2003322282A | 2003-11-14 | |||
| JPS5052621A | 1975-05-10 | |||
| JPS5229618A | 1977-03-05 | |||
| JPS63106985U | 1988-07-11 |
Attorney, Agent or Firm:
UNIUS PATENT ATTORNEYS OFFICE (JP)
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