JPS646406A - Draining material - Google Patents

Draining material

Info

Publication number
JPS646406A
JPS646406A JP16201687A JP16201687A JPS646406A JP S646406 A JPS646406 A JP S646406A JP 16201687 A JP16201687 A JP 16201687A JP 16201687 A JP16201687 A JP 16201687A JP S646406 A JPS646406 A JP S646406A
Authority
JP
Japan
Prior art keywords
core
draining material
projections
fitted
hot
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
JP16201687A
Other languages
Japanese (ja)
Inventor
Hirotoshi Ishikawa
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
JNC Corp
Original Assignee
Chisso Corp
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Chisso Corp filed Critical Chisso Corp
Priority to JP16201687A priority Critical patent/JPS646406A/en
Publication of JPS646406A publication Critical patent/JPS646406A/en
Pending legal-status Critical Current

Links

Landscapes

  • Investigation Of Foundation Soil And Reinforcement Of Foundation Soil By Compacting Or Drainage (AREA)

Abstract

PURPOSE:To obtain a draining material having high water permeability and high pressure resistance by a method in which the recessions of a synthetic resin core are fitted with the projections of lapped nonwoven fabrics. CONSTITUTION:Many parallel grooves 2 are formed in one direction on a synthetic resin core 1. A nonwoven fabric material 3 formed by hot-bonding 20wt.% or more hot-bonding fibers and 80wt.% or less is laminated on the grooved 2 face of the core 1, where the projections of the nonwoven fabrics 3 are fitted into the grooves 2 of the core 1 to combine the fabrics 3 and the core 1. A draining material free of blocking of water-permeable portion even when used for long periods can thus be obtained.
JP16201687A 1987-06-29 1987-06-29 Draining material Pending JPS646406A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP16201687A JPS646406A (en) 1987-06-29 1987-06-29 Draining material

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP16201687A JPS646406A (en) 1987-06-29 1987-06-29 Draining material

Publications (1)

Publication Number Publication Date
JPS646406A true JPS646406A (en) 1989-01-11

Family

ID=15746449

Family Applications (1)

Application Number Title Priority Date Filing Date
JP16201687A Pending JPS646406A (en) 1987-06-29 1987-06-29 Draining material

Country Status (1)

Country Link
JP (1) JPS646406A (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6312235B1 (en) 1999-06-08 2001-11-06 Mitsubishi Heavy Industries, Ltd. Thrust ball bearing and open-type scroll compressor
US6717800B2 (en) 2001-04-06 2004-04-06 Funai Electric Co., Ltd. Shield plate mounting apparatus
JP2009150621A (en) * 2007-12-21 2009-07-09 Toshiba Carrier Corp Heat exchanger and air-conditioner

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6312235B1 (en) 1999-06-08 2001-11-06 Mitsubishi Heavy Industries, Ltd. Thrust ball bearing and open-type scroll compressor
US6717800B2 (en) 2001-04-06 2004-04-06 Funai Electric Co., Ltd. Shield plate mounting apparatus
JP2009150621A (en) * 2007-12-21 2009-07-09 Toshiba Carrier Corp Heat exchanger and air-conditioner

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