Title:
土中の集排水管の敷設方法
Document Type and Number:
Japanese Patent JP6631993
Kind Code:
B2
Abstract:
PROBLEM TO BE SOLVED: To use a long cylindrical woven cloth as a draining pipe, and enable the long cylindrical woven cloth to be pushed into an installation hole without being caught in the installation hole, by stiffening the cylindrical woven cloth immediately before pushing into the installation hole.SOLUTION: A cylindrical woven cloth 1 is made by weaving a warp 4 and a weft 5 in a cylindrical form, at least a part of the weft 5 being a highly rigid monofilament, and at least a part of the warp 4 being a low melting point yarn. The cylindrical woven cloth is wound in a coil form, and while straightening and feeding the coiled cylindrical woven cloth 1 in a lengthwise direction, the cylindrical woven cloth 1 is heated first for fusing a part of the low melting point yarn of the warp 4, then the cylindrical woven cloth 1 is cooled to solidify the fused low melting point yarn and stiffening the cylindrical woven cloth 1, and the stiffened cylindrical woven cloth 1 is pushed into an installation hole 3.SELECTED DRAWING: Figure 1
Inventors:
▲柄▼崎 和孝
Hiroshi Tsuzuki
Kyotaro Miyazaki
Hiroshi Tsuzuki
Kyotaro Miyazaki
Application Number:
JP2015200350A
Publication Date:
January 15, 2020
Filing Date:
October 08, 2015
Export Citation:
Assignee:
Ashimori Industry Co., Ltd.
International Classes:
E02D17/20; D03D1/00; D03D3/02; D03D11/00; D03D15/00; E02D3/10; F16L1/038
Domestic Patent References:
| JP2010070919A | ||||
| JP2013129149A | ||||
| JP2005194807A | ||||
| JP2013028967A | ||||
| JP11302943A | ||||
| JP54098010U | ||||
| JP2000500833A |
Foreign References:
| US4960349 |
Attorney, Agent or Firm:
Hero Takeyasu