FI58278C - Anordning foer avtaetning av det inre utrymmet av plastroer vid straensprutning - Google Patents

Anordning foer avtaetning av det inre utrymmet av plastroer vid straensprutning Download PDF

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Publication number
FI58278C
FI58278C FI763223A FI763223A FI58278C FI 58278 C FI58278 C FI 58278C FI 763223 A FI763223 A FI 763223A FI 763223 A FI763223 A FI 763223A FI 58278 C FI58278 C FI 58278C
Authority
FI
Finland
Prior art keywords
inches
sealing
release
members
extrusion direction
Prior art date
Application number
FI763223A
Other languages
English (en)
Finnish (fi)
Other versions
FI58278B (fi
FI763223A7 (pm
Inventor
Paul Reitemeyer
Hans Reifenhaeuser
Original Assignee
Reifenhaeuser 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 Reifenhaeuser Kg filed Critical Reifenhaeuser Kg
Publication of FI763223A7 publication Critical patent/FI763223A7/fi
Application granted granted Critical
Publication of FI58278B publication Critical patent/FI58278B/fi
Publication of FI58278C publication Critical patent/FI58278C/fi

Links

Classifications

    • 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
    • B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/25—Component parts, details or accessories; Auxiliary operations
    • B29C48/88—Thermal treatment of the stream of extruded material, e.g. cooling
    • B29C48/911—Cooling
    • B29C48/9115—Cooling of hollow articles
    • 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
    • B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/03—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor characterised by the shape of the extruded material at extrusion
    • B29C48/09—Articles with cross-sections having partially or fully enclosed cavities, e.g. pipes or channels
    • 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
    • B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/03—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor characterised by the shape of the extruded material at extrusion
    • B29C48/09—Articles with cross-sections having partially or fully enclosed cavities, e.g. pipes or channels
    • B29C48/10—Articles with cross-sections having partially or fully enclosed cavities, e.g. pipes or channels flexible, e.g. blown foils

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Extrusion Moulding Of Plastics Or The Like (AREA)
  • Processing And Handling Of Plastics And Other Materials For Molding In General (AREA)
FI763223A 1975-12-04 1976-11-10 Anordning foer avtaetning av det inre utrymmet av plastroer vid straensprutning FI58278C (fi)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE2554551A DE2554551C3 (de) 1975-12-04 1975-12-04 Vorrichtung zum Abdichten des unter Überdruck stehenden Innenraumes von Kunststoffrohren beim Strangpressen
DE2554551 1975-12-04

Publications (3)

Publication Number Publication Date
FI763223A7 FI763223A7 (pm) 1977-06-05
FI58278B FI58278B (fi) 1980-09-30
FI58278C true FI58278C (fi) 1981-01-12

Family

ID=5963448

Family Applications (1)

Application Number Title Priority Date Filing Date
FI763223A FI58278C (fi) 1975-12-04 1976-11-10 Anordning foer avtaetning av det inre utrymmet av plastroer vid straensprutning

Country Status (6)

Country Link
US (1) US4084933A (pm)
BR (1) BR7607966A (pm)
DE (1) DE2554551C3 (pm)
FI (1) FI58278C (pm)
NO (1) NO145714C (pm)
SE (1) SE423504B (pm)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0081298A1 (en) * 1981-12-04 1983-06-15 Manfred Arno Alfred Lupke Apparatus for producing multi-walled thermoplastic tubing
US4518343A (en) * 1983-03-07 1985-05-21 E. I. Du Pont De Nemours And Company Extrusion die
US4708841A (en) * 1985-10-31 1987-11-24 Phillips Petroleum Company Pipe plug apparatus and method for its use
DE102019113382A1 (de) * 2019-05-20 2020-11-26 Rosen Swiss Ag Dichtungselement für einen Rohrleitungsmolch

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB702176A (en) * 1951-08-09 1954-01-13 British Celanese The production of tubular articles
US3388425A (en) * 1963-11-14 1968-06-18 Phillips Petroleum Co Apparatus for coating the interior surfaces of hollow shaped articles
NO137141C (no) * 1968-10-30 1978-01-11 Wavin Bv Fremgangsm}te og innretning til kontinuerlig fremstilling av et termoplastisk, korrugert r¦r
DE2055628A1 (de) * 1970-11-12 1972-05-18 Dynamit Nobel Ag Verfahren und Vorrichtung zum Strangpressen von Hohlkörpern
GB1365781A (en) * 1971-03-03 1974-09-04 Anger Kunststoff Safety device for trailing mandrel

Also Published As

Publication number Publication date
SE7613306L (sv) 1977-06-05
US4084933A (en) 1978-04-18
FI58278B (fi) 1980-09-30
DE2554551C3 (de) 1978-05-24
NO145714C (no) 1982-05-19
DE2554551A1 (de) 1977-06-16
SE423504B (sv) 1982-05-10
NO764130L (pm) 1977-06-07
DE2554551B2 (de) 1977-10-06
FI763223A7 (pm) 1977-06-05
BR7607966A (pt) 1977-11-08
NO145714B (no) 1982-02-08

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Legal Events

Date Code Title Description
MM Patent lapsed

Owner name: REIFENHAEUSER KG