Title:
COLLECTING PIPE
Document Type and Number:
Japanese Patent JP2008157016
Kind Code:
A
Abstract:
To provide a collecting pipe capable of improving a whole drain efficiency, without having adverse influence on workability and cost, by improving the drain efficiency without impairing water collection efficiency of a conventional collecting pipe.
This connecting pipe 11 is provided by arranging a water collecting hole on a pipe wall. The collecting pipe is characterized by inclining the axis of the water collection hole in the collecting pipe after at least construction in the flowing water direction on the pipe inside to the axis of the collecting pipe. An inclination of the axis of the water collection hole to the pipe axis, is particularly properly set in a range of 25 to 45 degrees.
Inventors:
FUKUOKA MASASATO
SUZUKI HISAYA
SHIMIZU AKIHIRO
SUZUKI HISAYA
SHIMIZU AKIHIRO
Application Number:
JP2007307102A
Publication Date:
July 10, 2008
Filing Date:
November 28, 2007
Export Citation:
Assignee:
MITSUBISHI PLASTICS IND
International Classes:
E02D3/10; E02D17/20; E02D19/10; F16L9/02; F16L11/12
Attorney, Agent or Firm:
Kazuhiko Kido
Yoshihiko Kido
Yoshihiko Kido