FI77406B - Munstycke foer straengsprutningsanordning. - Google Patents

Munstycke foer straengsprutningsanordning. Download PDF

Info

Publication number
FI77406B
FI77406B FI840893A FI840893A FI77406B FI 77406 B FI77406 B FI 77406B FI 840893 A FI840893 A FI 840893A FI 840893 A FI840893 A FI 840893A FI 77406 B FI77406 B FI 77406B
Authority
FI
Finland
Prior art keywords
nozzle
mouthpiece
section
polymer
deformable
Prior art date
Application number
FI840893A
Other languages
English (en)
Finnish (fi)
Other versions
FI77406C (sv
FI840893A (fi
FI840893A0 (fi
Inventor
Edward James Seiffert
Original Assignee
Du Pont
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 Du Pont filed Critical Du Pont
Publication of FI840893A0 publication Critical patent/FI840893A0/fi
Publication of FI840893A publication Critical patent/FI840893A/fi
Application granted granted Critical
Publication of FI77406B publication Critical patent/FI77406B/fi
Publication of FI77406C publication Critical patent/FI77406C/sv

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
    • B29C48/30—Extrusion nozzles or dies
    • B29C48/32—Extrusion nozzles or dies with annular openings, e.g. for forming tubular 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • Extrusion Moulding Of Plastics Or The Like (AREA)

Claims (4)

1. Munstycke för strängpreeening av smält polymer-material till rörform, varvid munstycket uppvisar en 5 rörformig kanal (10) för polymerströmningen, vilken kanal sträcker sig fr&n munstyckets polymerinmatningsände tili munstyckets utloppsöppning (13), och vilken kanal (10) avgränsas av en kärna (11) och munstyckets yttre del (12) och vilken uppvisar 10. en första, väsentligen parallell med strängpress- ningsriktningen, polymerinloppssektion (10a); - en andra, fr&n slutet av den första sektionen (10a) väsentligen radiellt i förhällande tili strängpressnings-riktningen gäende sektion (10b), som avgränsas av motsatta 15 ytor och som omfattar en deformerbar del (16), mot vilken riktas en regleringskraft medelst deformeringsorgan (17, 19), och - en tredje, utloppssektion (10c), som sträcker sig fr&n slutet av den andra, radiolla sektionen (10b) tili 20 utloppsöppningen; kännetecknat därav, att - den deformerbara delen (16) utgör ätminstone en del av en av de motsatta ytor, som avgränsar den andra sektionen (10b), och utgör en enhetlig del med munstyckets 25 yttre del (12), sä att regleringskraften riktas mot den deformerbara delen (16) fr&n utsidan.
2. Munstycke enligt patentkravet 1, kännetecknat därav, att den första, inloppssektionen (10a) är cylinderformad och riktas väsentligen axiellt 30 fr&n polymerinmatningsänden mot munstyckets utloppsöppning (13).
3. Munstycke enligt patentkravet 1, kännetecknat därav, att deformeringsorganet utgörs av en vid munstycket fäst cirkelformig fläns (17) med ett antal 35 bultar (19), som fästs vid den medelst gängor, s& att varje bults (19) rörelse fram&t böjer en del av den deformerbara
FI840893A 1983-03-07 1984-03-06 Munstycke för strängsprutningsanordning. FI77406C (sv)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US06/472,643 US4518343A (en) 1983-03-07 1983-03-07 Extrusion die
US47264383 1983-03-07

Publications (4)

Publication Number Publication Date
FI840893A0 FI840893A0 (fi) 1984-03-06
FI840893A FI840893A (fi) 1984-09-08
FI77406B true FI77406B (fi) 1988-11-30
FI77406C FI77406C (sv) 1989-03-10

Family

ID=23876357

Family Applications (1)

Application Number Title Priority Date Filing Date
FI840893A FI77406C (sv) 1983-03-07 1984-03-06 Munstycke för strängsprutningsanordning.

Country Status (6)

Country Link
US (1) US4518343A (sv)
EP (1) EP0121136B1 (sv)
JP (1) JPS59167235A (sv)
CA (1) CA1212215A (sv)
DE (1) DE3469280D1 (sv)
FI (1) FI77406C (sv)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH01128821A (ja) * 1987-11-16 1989-05-22 Fujikura Ltd プラスチックチューブの肉厚調整方法
US5102602A (en) * 1990-06-04 1992-04-07 Plastics Usa Corporation Adjustable diehead
WO1996033856A1 (en) * 1995-04-24 1996-10-31 Black Clawson Sano Inc. Extrusion die
DE19535930C1 (de) * 1995-09-27 1997-01-09 Heinz Dr Ing Gros Vorrichtung zur veränderlichen Begrenzung eines flachen Fließkanals und Verfahren zum Austragen einer Massebahn mit veränderlicher Geometrie
EP0834385B1 (en) * 1996-03-25 2003-08-20 Mitsui Chemicals, Inc. Pipe extrusion die and resin pipe
US5882564A (en) * 1996-06-24 1999-03-16 Andersen Corporation Resin and wood fiber composite profile extrusion method
US5776519A (en) * 1997-06-06 1998-07-07 Graham Engineering Corporation Parison extrusion head with quick change die ring clamp assembly
DE10014653A1 (de) * 2000-03-24 2001-10-11 Simona Ag Verfahren zum Herstellen eines nach dem Relining-Verfahren in eine schadhafte Rohrleitung oder einen schadhaften Kanal einstzbaren Rohrschusses
US6769899B2 (en) * 2001-02-09 2004-08-03 American Maplan Corporation Independent X/Y flow adjustable extrusion die
US20060275571A1 (en) * 2005-06-02 2006-12-07 Mure Cliff R Polyethylene pipes

Family Cites Families (19)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2952872A (en) * 1954-02-08 1960-09-20 Ici Ltd Production of film
US2769200A (en) * 1955-03-07 1956-11-06 Dow Chemical Co Radial extrusion die
US3079636A (en) * 1960-04-11 1963-03-05 Monsanto Chemicals Blow extrusion apparatus
NL284631A (sv) * 1961-10-23 1900-01-01
LU41235A1 (sv) * 1962-02-12 1963-08-12
NL289127A (sv) * 1962-03-28 1900-01-01
US3349436A (en) * 1965-09-21 1967-10-31 Danadyne Inc Apparatus for extruding foamed plastics and the like
US3491406A (en) * 1967-07-05 1970-01-27 Ethyl Corp Die assembly
US3488669A (en) * 1968-02-01 1970-01-06 Ethyl Corp Tubular film die
US3492694A (en) * 1968-03-01 1970-02-03 Cupples Container Co Radial extrusion die
DE1928883A1 (de) * 1969-06-06 1970-12-10 Hoechst Ag Vorrichtung und Verfahren zur Herstellung von duennen Blasschlaeuchen aus thermoplastischen Kunststoffen
US3769397A (en) * 1971-03-15 1973-10-30 Du Pont Method of making a tube of plastic film
US3809515A (en) * 1972-03-03 1974-05-07 Farrell Patent Co Extrusion die for blowing plastic film
US3912240A (en) * 1973-07-09 1975-10-14 Cincinnati Milacron Inc Method and apparatus for extruding plastic pipe and the like
US3884611A (en) * 1973-10-24 1975-05-20 Leesona Corp Extrusion die
JPS5242556A (en) * 1975-09-30 1977-04-02 Kubota Ltd Method of automatically controlling tube thickness in extrusion molding of tube
DE2554551C3 (de) * 1975-12-04 1978-05-24 Reifenhaeuser Kg, 5210 Troisdorf Vorrichtung zum Abdichten des unter Überdruck stehenden Innenraumes von Kunststoffrohren beim Strangpressen
DE2654001C2 (de) * 1976-11-27 1986-02-06 Harald 5210 Troisdorf Feuerherm Vorrichtung zum Herstellen von aus thermoplastischem Kunstoff bestehenden Hohlkörpern
DE2823999C2 (de) * 1977-11-21 1984-06-20 Harald 5210 Troisdorf Feuerherm Vorrichtung zum Regeln und/oder Einstellen der Wandstärke von aus thermoplastischem Kunststoff gebildeten Hohlkörpern

Also Published As

Publication number Publication date
FI77406C (sv) 1989-03-10
FI840893A (fi) 1984-09-08
EP0121136A1 (en) 1984-10-10
US4518343A (en) 1985-05-21
JPS59167235A (ja) 1984-09-20
DE3469280D1 (de) 1988-03-17
FI840893A0 (fi) 1984-03-06
EP0121136B1 (en) 1988-02-10
CA1212215A (en) 1986-10-07

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Legal Events

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PC Transfer of assignment of patent

Owner name: UPONOR BV

MM Patent lapsed

Owner name: UPONOR BV