APPARATUS AND METHOD FOR BYPASS-PIPING CONDUITS

Title:

APPARATUS AND METHOD FOR BYPASS-PIPING CONDUITS

Document Type and Number:

WIPO Patent Application WO/1999/067559

Kind Code:

A1

Abstract:

A method of bypass-piping conduits, capable of efficiently carrying out the bypass-piping of a conduit when there is an already-installed obstacle on a conduit-laying path, wherein conduits (1), such as city water pipes are laid so that opposed end portions thereof face at opposite sides of an already-installed obstacle, such as a manhole in a sewage work existing on the conduit-laying path, the two end portions of the conduits (1) being connected together by a spiral pipe bent so as to bypass the already-installed obstacle, to carry out a bypass-piping operation.

More Like This:

WO/2017/008767	QUALITY-BASED WATER SUPPLY SYSTEM AND METHOD OF USING SAME
JP2015129427	DISASTER RISK REDUCTION METHOD SUBSTITUTING COLLAPSE RISK OF LARGE DAM WITH NUMEROUS SMALL DAMS OR BANKS, AND STATIONARY BANK/BREAKWATER CAPABLE OF BEING INSTALLED AT LOW COST AND IN SHORT TIME AND TO BE EMERGENCY WATER SOURCE AND EMERGENCY SMALL-SIZED POWER SOURCE
JP2016126358	WATER SUPPLY APPARATUS INSPECTION ASSISTANCE SYSTEM

Inventors:

MIYATAKE YOSHIFUMI (JP)

Application Number:

PCT/JP1998/006006

Publication Date:

December 29, 1999

Filing Date:

December 28, 1998

Export Citation:

Click for automatic bibliography generation Help

Assignee:

KOKUSAN RASENKAN CO LTD (JP)
MIYATAKE YOSHIFUMI (JP)

International Classes:

E03B1/02; F16L27/111; (IPC1-7): F16L1/02; E03B7/02

Foreign References:

JPH03149490A	1991-06-26
JPH0680971U	1994-11-15
JPH0712277A	1995-01-17
JPS62117389U	1987-07-25
JPH0441827A	1992-02-12
JPH04119858U	1992-10-27

Attorney, Agent or Firm:

Koike, Akira (Toranomon 2-chome Minato-ku Tokyo, JP)

Download PDF:

View/Download PDF PDF Help

Previous Patent: METHOD AND APPARATUS FOR FORMING HEAT INSULATING FOAM ON A PIPE

Next Patent: A FLEXIBLE COMPOSITE PIPE AND A METHOD FOR MANUFACTURING SAME