Title:
DRAIN PIPE AND METHOD USING THE SAME
Document Type and Number:
Japanese Patent JP2022185191
Kind Code:
A
Abstract:
To provide a spray method with high drainage efficiency from a natural ground and excellent workability and a drain pipe used therefor.SOLUTION: In a drain pipe (1) according to the present invention, a plurality of first projections (1A) is formed on one end (free end 1E: an end opposite to a natural ground G when applying), a plurality of second projections (1B), different in the maximum diameter from the first projections (1A), is formed in an area closer to the other end side (a side in an end in the natural ground G side) than the one end (free end 1E) on which the first projections (1A) are formed, and an open hole for catchment (1C) is formed in an area closer to the other end side (the natural ground G side) than the area in which the second projections (1B) are formed.SELECTED DRAWING: Figure 1
Inventors:
KUBOZUKA DAISUKE
NISHIDA YOSUKE
TOMOE NAOTO
UCHIDA RYOSUKE
HOSOZAWA TARO
NISHIDA YOSUKE
TOMOE NAOTO
UCHIDA RYOSUKE
HOSOZAWA TARO
Application Number:
JP2021092701A
Publication Date:
December 14, 2022
Filing Date:
June 02, 2021
Export Citation:
Assignee:
NITTOC CONSTRUCTION
MIDORI IND CO LTD
NIPPON POP RIVETS & FASTENERS LTD
MIDORI IND CO LTD
NIPPON POP RIVETS & FASTENERS LTD
International Classes:
E02D17/20
Attorney, Agent or Firm:
Patent Attorney Takahashi Patent Office
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