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FI911293A7 - Pursotettu kaksiakselisesti venytetty vaahtomuoviputki ja menetelmä se n valmistamiseksi - Google Patents

Pursotettu kaksiakselisesti venytetty vaahtomuoviputki ja menetelmä se n valmistamiseksi Download PDF

Info

Publication number
FI911293A7
FI911293A7 FI911293A FI911293A FI911293A7 FI 911293 A7 FI911293 A7 FI 911293A7 FI 911293 A FI911293 A FI 911293A FI 911293 A FI911293 A FI 911293A FI 911293 A7 FI911293 A7 FI 911293A7
Authority
FI
Finland
Prior art keywords
making
same
biaxially stretched
foam tube
stretched foam
Prior art date
Application number
FI911293A
Other languages
English (en)
Swedish (sv)
Other versions
FI911293A0 (fi
Inventor
Henricus Gerardus Maria Lohman
Original Assignee
Wavin Bv
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 Wavin Bv filed Critical Wavin Bv
Publication of FI911293A0 publication Critical patent/FI911293A0/fi
Publication of FI911293A7 publication Critical patent/FI911293A7/fi

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29D—PRODUCING PARTICULAR ARTICLES FROM PLASTICS OR FROM SUBSTANCES IN A PLASTIC STATE
    • B29D23/00—Producing tubular articles
    • B29D23/001—Pipes; Pipe joints
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C44/00—Shaping by internal pressure generated in the material, e.g. swelling or foaming ; Producing porous or cellular expanded plastics articles
    • B29C44/34—Auxiliary operations
    • B29C44/36—Feeding the material to be shaped
    • B29C44/46—Feeding the material to be shaped into an open space or onto moving surfaces, i.e. to make articles of indefinite length
    • B29C44/50—Feeding the material to be shaped into an open space or onto moving surfaces, i.e. to make articles of indefinite length using pressure difference, e.g. by extrusion or by spraying
    • B29C44/507—Feeding the material to be shaped into an open space or onto moving surfaces, i.e. to make articles of indefinite length using pressure difference, e.g. by extrusion or by spraying extruding the compound through an annular die
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C44/00—Shaping by internal pressure generated in the material, e.g. swelling or foaming ; Producing porous or cellular expanded plastics articles
    • B29C44/34—Auxiliary operations
    • B29C44/56—After-treatment of articles, e.g. for altering the shape
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C55/00—Shaping by stretching, e.g. drawing through a die; Apparatus therefor
    • B29C55/22—Shaping by stretching, e.g. drawing through a die; Apparatus therefor of tubes
    • B29C55/26—Shaping by stretching, e.g. drawing through a die; Apparatus therefor of tubes biaxial
    • 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
    • F16L9/127—Rigid pipes of plastics with or without reinforcement the walls consisting of a single layer

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Shaping By String And By Release Of Stress In Plastics And The Like (AREA)
  • Extrusion Moulding Of Plastics Or The Like (AREA)
  • Shaping Of Tube Ends By Bending Or Straightening (AREA)
FI911293A 1988-09-16 1989-09-13 Pursotettu kaksiakselisesti venytetty vaahtomuoviputki ja menetelmä se n valmistamiseksi FI911293A7 (fi)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
NL8802304A NL8802304A (nl) 1988-09-16 1988-09-16 Geextrudeerde, biaxiaal verstrekte schuimkunststofbuis en werkwijze voor de vervaardiging daarvan.
PCT/NL1989/000068 WO1990002649A1 (en) 1988-09-16 1989-09-13 Extruded biaxially stretched foam plastic pipe and procedure for the manufacture thereof

Publications (2)

Publication Number Publication Date
FI911293A0 FI911293A0 (fi) 1991-03-15
FI911293A7 true FI911293A7 (fi) 1991-03-15

Family

ID=19852920

Family Applications (1)

Application Number Title Priority Date Filing Date
FI911293A FI911293A7 (fi) 1988-09-16 1989-09-13 Pursotettu kaksiakselisesti venytetty vaahtomuoviputki ja menetelmä se n valmistamiseksi

Country Status (6)

Country Link
EP (2) EP0434755A1 (fi)
AU (1) AU4332389A (fi)
DK (1) DK34491D0 (fi)
FI (1) FI911293A7 (fi)
NL (1) NL8802304A (fi)
WO (1) WO1990002649A1 (fi)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4886112A (en) * 1988-01-21 1989-12-12 Ashland Oil, Inc. Method for cleaning exterior surfaces of fire-heated tubes
US5239786A (en) * 1992-04-22 1993-08-31 Pangborn Corporation Inside pipe cleaner
US5453235A (en) * 1993-01-29 1995-09-26 Impra, Inc. Method of forming dual porosity FTFE tubes by extrusion of concentric preforms
FI100130B (fi) 1995-12-12 1997-09-30 Uponor Innovation Ab Monikerroksinen muoviputki
DE29714571U1 (de) * 1997-08-14 1997-10-30 Rehau Ag + Co, 95111 Rehau Mehrschichtenrohr
GB9804572D0 (en) * 1998-03-05 1998-04-29 Witter Ronald R C Improvements in pipes
DE102005023148B4 (de) 2005-05-13 2009-07-30 Airbus Deutschland Gmbh Rohrleitung zur Durchleitung von Luft zur Klimatisierung in Luftfahrzeugen

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1428652A (fr) * 1964-03-03 1966-02-18 Haveg Industries Inc Mousse de polymère thermoplastique étirée puis contractée à chaud
GB1382580A (en) * 1971-06-28 1975-02-05 Yorkshire Imperial Plastics Pipes
NO139727C (no) * 1972-11-29 1979-05-02 Petzetakis George A Fremgangsmaate og anordning for fremstilling av en slange av termoplastisk material
US4272468A (en) * 1978-01-03 1981-06-09 Conwed Corporation Method for reducing the aging period of polyethylene foams
US4322260A (en) * 1979-04-04 1982-03-30 Monsanto Company Process for the continuous extrusion forming of a plastic double-walled foam-core conduit
US4731002A (en) * 1986-11-19 1988-03-15 American Maplan Corporation Triple-wall foam coextrusion apparatus
DE8712082U1 (de) * 1987-09-05 1988-08-04 Hewing GmbH & Co, 4434 Ochtrup Selbsttragendes Element

Also Published As

Publication number Publication date
DK34491A (da) 1991-02-27
DK34491D0 (da) 1991-02-27
WO1990002649A1 (en) 1990-03-22
EP0434755A1 (en) 1991-07-03
FI911293A0 (fi) 1991-03-15
EP0361580A2 (en) 1990-04-04
NL8802304A (nl) 1990-04-17
AU4332389A (en) 1990-04-02
EP0361580A3 (en) 1990-04-18

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