FR2367872A1 - Plaque amelioree de drainage - Google Patents

Plaque amelioree de drainage

Info

Publication number
FR2367872A1
FR2367872A1 FR7730889A FR7730889A FR2367872A1 FR 2367872 A1 FR2367872 A1 FR 2367872A1 FR 7730889 A FR7730889 A FR 7730889A FR 7730889 A FR7730889 A FR 7730889A FR 2367872 A1 FR2367872 A1 FR 2367872A1
Authority
FR
France
Prior art keywords
drainage plate
particles
improved drainage
plate
zone
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.)
Granted
Application number
FR7730889A
Other languages
English (en)
Other versions
FR2367872B1 (fr
Inventor
Reinhard Stief
Helmut Scheid
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.)
Carl Freudenberg KG
Original Assignee
Carl Freudenberg KG
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 Carl Freudenberg KG filed Critical Carl Freudenberg KG
Publication of FR2367872A1 publication Critical patent/FR2367872A1/fr
Application granted granted Critical
Publication of FR2367872B1 publication Critical patent/FR2367872B1/fr
Granted legal-status Critical Current

Links

Classifications

    • E—FIXED CONSTRUCTIONS
    • E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02B—HYDRAULIC ENGINEERING
    • E02B11/00—Drainage of soil, e.g. for agricultural purposes
    • E02B11/005—Drainage conduits

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Agronomy & Crop Science (AREA)
  • Mechanical Engineering (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Investigation Of Foundation Soil And Reinforcement Of Foundation Soil By Compacting Or Drainage (AREA)
  • Manufacture Of Porous Articles, And Recovery And Treatment Of Waste Products (AREA)
  • Biological Treatment Of Waste Water (AREA)
  • Sink And Installation For Waste Water (AREA)

Abstract

L'invention concerne une plaque de drainage qui consiste en un grand nombre de particules de matière plastique en mousse, à cellules fermées, soudées ensemble. Cette plaque consiste, dans une zone supérieure, en particules de matière plastique présentant un diamètre moyen plus faible que celui des particules se trouvant dans la zone inférieure et présente des rainures d'écoulement 3 sur la face inférieure.
FR7730889A 1976-10-13 1977-10-13 Plaque amelioree de drainage Granted FR2367872A1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19767631952 DE7631952U1 (de) 1976-10-13 1976-10-13 Drainageplatte

Publications (2)

Publication Number Publication Date
FR2367872A1 true FR2367872A1 (fr) 1978-05-12
FR2367872B1 FR2367872B1 (fr) 1983-07-08

Family

ID=6670159

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7730889A Granted FR2367872A1 (fr) 1976-10-13 1977-10-13 Plaque amelioree de drainage

Country Status (3)

Country Link
DE (1) DE7631952U1 (fr)
FR (1) FR2367872A1 (fr)
GB (1) GB1578045A (fr)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE7820028U1 (de) * 1978-07-04 1978-10-12 Hoechst Ag, 6000 Frankfurt Filterrohr
DE3502381A1 (de) * 1985-01-25 1985-09-26 Werner 6653 Blieskastel Sand Zweifach-volumenpumpe mit mischkammer und austrittduese
DE3514022C1 (de) * 1985-04-18 1986-07-10 Fa. Carl Freudenberg, 6940 Weinheim Vorrichtung zum gegenseitigen Verkleben thermisch erweichbarer Partikel zu einem Kunststoffkoerper
US5252270A (en) * 1990-12-20 1993-10-12 Basf Aktiengesellschaft Method of forming foam moldings having varied density regions
DE4040908A1 (de) * 1990-12-20 1992-06-25 Basf Ag Schaumstoff-formkoerper mit verschiedenen dichtebereichen und verfahren und formwerkzeug zu ihrer herstellung
DE29518977U1 (de) * 1995-11-30 1996-02-01 Eickenroth Hans Dieter Kunststoff-Partikel enthaltender Drainage-Belag

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1809047A1 (de) * 1968-11-15 1970-08-13 Basf Ag Wasserdurchlaessige,grobporige,kompakte Draenelemente
DE1914871A1 (de) * 1969-03-24 1970-10-01 Bertsch Dr Med Dent Guenther Bodenbelagschicht
BE766503A (fr) * 1971-04-29 1971-10-29 Scheerlinck Marcel F A Revetement pour terrain de sport.
FR2085550A1 (en) * 1970-05-19 1971-12-24 Ewbank Georges Prefabricated soil covers - of resin bonded mineral or plastic particles for tennis courts or sports grounds
DE2327618A1 (de) * 1973-05-16 1974-12-05 Naue Kg E A H Grossflaechiges mehrschichten-draenageelement
FR2278847A1 (fr) * 1974-07-20 1976-02-13 Hoechst Ag Tuyau de drainage
FR2295175A1 (fr) * 1974-12-20 1976-07-16 Polva Nederland Bv Tuyau de drainage enrobe

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1809047A1 (de) * 1968-11-15 1970-08-13 Basf Ag Wasserdurchlaessige,grobporige,kompakte Draenelemente
DE1914871A1 (de) * 1969-03-24 1970-10-01 Bertsch Dr Med Dent Guenther Bodenbelagschicht
FR2085550A1 (en) * 1970-05-19 1971-12-24 Ewbank Georges Prefabricated soil covers - of resin bonded mineral or plastic particles for tennis courts or sports grounds
BE766503A (fr) * 1971-04-29 1971-10-29 Scheerlinck Marcel F A Revetement pour terrain de sport.
DE2327618A1 (de) * 1973-05-16 1974-12-05 Naue Kg E A H Grossflaechiges mehrschichten-draenageelement
FR2278847A1 (fr) * 1974-07-20 1976-02-13 Hoechst Ag Tuyau de drainage
FR2295175A1 (fr) * 1974-12-20 1976-07-16 Polva Nederland Bv Tuyau de drainage enrobe

Also Published As

Publication number Publication date
GB1578045A (en) 1980-10-29
DE7631952U1 (de) 1977-04-07
FR2367872B1 (fr) 1983-07-08

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Legal Events

Date Code Title Description
TP Transmission of property