NO943518D0 - Pipeline end made of polyethylene by extrusion and method of its manufacture - Google Patents

Pipeline end made of polyethylene by extrusion and method of its manufacture

Info

Publication number
NO943518D0
NO943518D0 NO943518A NO943518A NO943518D0 NO 943518 D0 NO943518 D0 NO 943518D0 NO 943518 A NO943518 A NO 943518A NO 943518 A NO943518 A NO 943518A NO 943518 D0 NO943518 D0 NO 943518D0
Authority
NO
Norway
Prior art keywords
polyethylene
crystalline
pipe end
extrusion
manufacture
Prior art date
Application number
NO943518A
Other languages
Norwegian (no)
Other versions
NO943518L (en
Inventor
Horst Vogelsang
Original Assignee
Vogelsang Ernst Gmbh Co 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
Priority claimed from DE19934332775 external-priority patent/DE4332775C2/en
Priority claimed from DE19934332774 external-priority patent/DE4332774C2/en
Application filed by Vogelsang Ernst Gmbh Co Kg filed Critical Vogelsang Ernst Gmbh Co Kg
Publication of NO943518D0 publication Critical patent/NO943518D0/en
Publication of NO943518L publication Critical patent/NO943518L/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
    • F16L9/00—Rigid pipes
    • F16L9/12—Rigid pipes of plastics with or without reinforcement
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Extrusion Moulding Of Plastics Or The Like (AREA)
  • Rigid Pipes And Flexible Pipes (AREA)
  • Lining Or Joining Of Plastics Or The Like (AREA)

Abstract

Extruded pipe end made from polyethylene, which has a moulded-on socket. The extruded pipe end has a wall thickness of over 5 mm. The moulded-on socket has at least the same wall thickness. The wall has in cross-section a highly crystalline inner region (4) and a weakly crystalline outer region (5). The highly crystalline inner region (4) forms a peripheral crystalline supporting shroud. This is designed for the virtually deformation-free supporting of the weakly crystalline outer region when shrinkage stresses occur. A method for producing such a pipe end is also specified. <IMAGE>
NO943518A 1993-09-25 1994-09-22 Pipeline section made of polyethylene by extrusion and process of its manufacture NO943518L (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19934332775 DE4332775C2 (en) 1993-09-25 1993-09-25 Process for forming an insertion sleeve on a pipe section
DE19934332774 DE4332774C2 (en) 1993-09-25 1993-09-25 Polyethylene plastic pipe section produced by extrusion

Publications (2)

Publication Number Publication Date
NO943518D0 true NO943518D0 (en) 1994-09-22
NO943518L NO943518L (en) 1995-03-27

Family

ID=25929912

Family Applications (1)

Application Number Title Priority Date Filing Date
NO943518A NO943518L (en) 1993-09-25 1994-09-22 Pipeline section made of polyethylene by extrusion and process of its manufacture

Country Status (9)

Country Link
EP (1) EP0645571B1 (en)
AT (1) ATE150533T1 (en)
CZ (1) CZ233494A3 (en)
DE (1) DE59402133D1 (en)
FI (1) FI944429A (en)
HR (1) HRP940584A2 (en)
NO (1) NO943518L (en)
PL (1) PL305155A1 (en)
SK (1) SK115494A3 (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2758381B1 (en) * 1997-01-28 1999-02-26 Alphacan Sa BI-ORIENTED PLASTIC TUBE

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1604411A1 (en) * 1966-08-01 1970-10-22 Bernhard Albrecht Method and device for the production of tubes provided at the end with widenings and / or thickenings made of deformable material, preferably thermoplastic material, in the extrusion process
FR2184857A1 (en) * 1972-05-16 1973-12-28 Yorkshire Imperial Plastics Thermoplastic pipe socket
PH16346A (en) * 1978-10-03 1983-09-05 Kubota Ltd Method of forming a socket end on a plastic pipe and a molding device for use of the method
JPS5692023A (en) * 1979-12-27 1981-07-25 Idemitsu Petrochem Co Ltd Molding of two-layer film
FI96396C (en) * 1992-12-28 1996-06-25 Uponor Bv Process for forming a double-layered plastic tube for material transport and a double-layered plastic tube formed by the method

Also Published As

Publication number Publication date
PL305155A1 (en) 1995-04-03
CZ233494A3 (en) 1995-05-17
HRP940584A2 (en) 1996-10-31
NO943518L (en) 1995-03-27
DE59402133D1 (en) 1997-04-24
SK115494A3 (en) 1996-05-08
FI944429A (en) 1995-03-26
EP0645571A1 (en) 1995-03-29
EP0645571B1 (en) 1997-03-19
FI944429A0 (en) 1994-09-23
ATE150533T1 (en) 1997-04-15

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