UNDERDRAIN PIPE

AN UNDERDRAIN PIPE (P) HAS A PIPE WALL (1) IN WHICH WALL PORTIONS (2) RECTANGULAR IN SECTION AND WALL PORTIONS (3) CIRCULAR IN SECTION ARE DISPOSED ALTERNATELY IN A LONGITUDINAL DIRECTION OF THE PIPE (P), IN WHICH A NUMBER OF WATER COLLECTING SMALL HOLES (4) ARE FORMED IN PORTIONS OF THE PIPE WALL (...

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Bibliographic Details
Main Authors YASUHIRO KIKUMORI, KOUKI FUKUI
Format Patent
LanguageEnglish
Published 28.02.2006
Subjects
BLASTING
ENGINEERING ELEMENTS AND UNITS
FIXED CONSTRUCTIONS
FOUNDATIONS
GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVEFUNCTIONING OF MACHINES OR INSTALLATIONS
HEATING
HYDRAULIC ENGINEERING
JOINTS OR FITTINGS FOR PIPES
LIGHTING
MEANS FOR THERMAL INSULATION IN GENERAL
MECHANICAL ENGINEERING
PIPES
SOIL SHIFTING
SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING
THERMAL INSULATION IN GENERAL
WEAPONS
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Summary:AN UNDERDRAIN PIPE (P) HAS A PIPE WALL (1) IN WHICH WALL PORTIONS (2) RECTANGULAR IN SECTION AND WALL PORTIONS (3) CIRCULAR IN SECTION ARE DISPOSED ALTERNATELY IN A LONGITUDINAL DIRECTION OF THE PIPE (P), IN WHICH A NUMBER OF WATER COLLECTING SMALL HOLES (4) ARE FORMED IN PORTIONS OF THE PIPE WALL (1), AND IN WHICH THE WHOLE OF THE PIPE WALL (1) IS FORMED OF MATERIAL OF SYNTHETIC RESIN OR RUBBER.
Bibliography:Application Number: MY1997PI01566