NO901012D0 - ROER CORD. - Google Patents

ROER CORD.

Info

Publication number
NO901012D0
NO901012D0 NO901012A NO901012A NO901012D0 NO 901012 D0 NO901012 D0 NO 901012D0 NO 901012 A NO901012 A NO 901012A NO 901012 A NO901012 A NO 901012A NO 901012 D0 NO901012 D0 NO 901012D0
Authority
NO
Norway
Prior art keywords
inner tube
roer
cord
density
outer jacket
Prior art date
Application number
NO901012A
Other languages
Norwegian (no)
Other versions
NO300604B1 (en
NO901012L (en
Inventor
Bernd-Ruediger Stahnke
Original Assignee
Friedrichsfeld Gmbh
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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=6375615&utm_source=***_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=NO901012(D0) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Friedrichsfeld Gmbh filed Critical Friedrichsfeld Gmbh
Publication of NO901012D0 publication Critical patent/NO901012D0/en
Publication of NO901012L publication Critical patent/NO901012L/en
Publication of NO300604B1 publication Critical patent/NO300604B1/en

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
    • F16L47/00—Connecting arrangements or other fittings specially adapted to be made of plastics or to be used with pipes made of plastics
    • F16L47/06—Connecting arrangements or other fittings specially adapted to be made of plastics or to be used with pipes made of plastics with sleeve or socket formed by or in the pipe end
    • F16L47/08—Connecting arrangements or other fittings specially adapted to be made of plastics or to be used with pipes made of plastics with sleeve or socket formed by or in the pipe end with sealing rings arranged between the outer surface of one pipe end and the inner surface of the sleeve or socket, the sealing rings being placed previously in the sleeve or socket
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
    • F16L55/00—Devices or appurtenances for use in, or in connection with, pipes or pipe systems
    • F16L55/02—Energy absorbers; Noise absorbers
    • F16L55/033—Noise absorbers
    • F16L55/0336—Noise absorbers by means of sound-absorbing materials

Landscapes

  • General Engineering & Computer Science (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Rigid Pipes And Flexible Pipes (AREA)
  • Extrusion Moulding Of Plastics Or The Like (AREA)
  • Pipeline Systems (AREA)
  • Medicines Containing Material From Animals Or Micro-Organisms (AREA)
  • Supports For Pipes And Cables (AREA)
  • Magnetic Resonance Imaging Apparatus (AREA)
  • Ultra Sonic Daignosis Equipment (AREA)
  • Investigating Or Analyzing Materials By The Use Of Ultrasonic Waves (AREA)
  • Pipe Accessories (AREA)
  • Separation By Low-Temperature Treatments (AREA)
  • Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
  • Mechanical Treatment Of Semiconductor (AREA)

Abstract

A conduit, especially for sewerage, consists of a plastic, preferably polyvinyl chloride or polyethylene. It is intended reliably to improve the noise protection requirements. To this end, it is proposed that the conduit consist of an inner tube (6) and an outer jacket (8) surrounding the inner tube, and that the density of the outer jacket (8) be greater than the density of the inner tube. The single drawing belongs thereto. <IMAGE>
NO901012A 1989-03-04 1990-03-02 pipelines NO300604B1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE3907106A DE3907106C2 (en) 1989-03-04 1989-03-04 Pipeline

Publications (3)

Publication Number Publication Date
NO901012D0 true NO901012D0 (en) 1990-03-02
NO901012L NO901012L (en) 1990-09-05
NO300604B1 NO300604B1 (en) 1997-06-23

Family

ID=6375615

Family Applications (1)

Application Number Title Priority Date Filing Date
NO901012A NO300604B1 (en) 1989-03-04 1990-03-02 pipelines

Country Status (9)

Country Link
EP (1) EP0386517B2 (en)
AT (1) ATE95595T1 (en)
DD (1) DD293179A5 (en)
DE (2) DE3907106C2 (en)
DK (1) DK0386517T4 (en)
ES (1) ES2044264T5 (en)
FI (1) FI94168C (en)
GR (1) GR3030290T3 (en)
NO (1) NO300604B1 (en)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FI99158C (en) * 1991-06-28 1997-10-10 Uponor Bv Method for protecting the surface of a plastic pipe for connection by electric welding and an electrically weldable plastic pipe
DE19541414C1 (en) * 1995-11-07 1996-09-19 Rehau Ag & Co Quiet sewage piping to reduce sound transmission and radiation
FR2767902B1 (en) 1997-09-03 1999-10-15 Nicoll Raccords Plastiques IMPROVED CONNECTION DEVICE FOR ACOUSTIC SANITARY FALL
EP1177824A1 (en) * 2000-08-03 2002-02-06 Robert Hopfgartner Grease separator
DE102013111961A1 (en) * 2013-10-30 2015-04-30 Egeplast International Gmbh Plastic pipe
DE102013112914A1 (en) * 2013-11-22 2015-05-28 Egeplast International Gmbh Plastic profile, in particular plastic pipe

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1277613A (en) * 1969-01-20 1972-06-14 Hepworth Iron Co Ltd Improvements in or relating to pipe couplings
DE2714576C2 (en) * 1977-04-01 1983-11-17 Wavin B.V., 8031 Zwolle Plastic pipe part for drainage pipe systems
DE3102350A1 (en) * 1981-01-24 1982-08-19 Dipl.-Ing. Dr. Ernst Vogelsang Gmbh & Co Kg, 4352 Herten Multilayer pipe of thermoplastic
DE3220023C2 (en) * 1982-05-27 1993-05-27 Cellofoam Deutschland Gmbh, 7950 Biberach Sound-absorbing flow channel and method for its manufacture
DE3312058A1 (en) * 1982-11-16 1984-05-17 Ercos-Therma Wärmetechnik GmbH & Co KG, 4000 Düsseldorf Pipe for floor heating
FR2564375B1 (en) * 1984-05-18 1987-03-06 Eternit Financiere PROCESS FOR THE MANUFACTURE OF LIGHTWEIGHT, RIGID TUBES IN THERMOPLASTIC MATERIAL
NL8601910A (en) * 1986-07-23 1988-02-16 Wavin Bv PLASTIC TUBE PART OF THERMOPLASTIC PLASTIC WITH SOUND-PROOFING PROPERTIES BY ADJUSTING THE SURFACE WEIGHT OF THE PLASTIC TUBE PART AND DRAIN PIPE SYSTEM.
DE3714592C3 (en) * 1987-05-01 1997-04-24 Technoflow Tube Systems Gmbh Motor vehicle safety tube made of thermoplastic
DE3725147A1 (en) * 1987-07-29 1989-02-09 Bayerische Motoren Werke Ag Sound-insulating component

Also Published As

Publication number Publication date
DE3907106C2 (en) 1997-07-17
NO300604B1 (en) 1997-06-23
EP0386517B1 (en) 1993-10-06
FI901081A0 (en) 1990-03-02
NO901012L (en) 1990-09-05
EP0386517A1 (en) 1990-09-12
EP0386517B2 (en) 1999-05-19
DK0386517T3 (en) 1993-11-15
FI94168C (en) 1995-07-25
DE59002963D1 (en) 1993-11-11
GR3030290T3 (en) 1999-09-30
ES2044264T3 (en) 1994-01-01
ES2044264T5 (en) 1999-10-01
DE3907106C1 (en) 1989-11-16
DD293179A5 (en) 1991-08-22
FI94168B (en) 1995-04-13
ATE95595T1 (en) 1993-10-15
DK0386517T4 (en) 1999-11-08

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Legal Events

Date Code Title Description
MM1K Lapsed by not paying the annual fees