ES296017U - Boquilla de extrusion para un cabezal de soplado para la fabricacion de laminas sopladas de material plastico - Google Patents

Boquilla de extrusion para un cabezal de soplado para la fabricacion de laminas sopladas de material plastico

Info

Publication number
ES296017U
ES296017U ES1985296017U ES296017U ES296017U ES 296017 U ES296017 U ES 296017U ES 1985296017 U ES1985296017 U ES 1985296017U ES 296017 U ES296017 U ES 296017U ES 296017 U ES296017 U ES 296017U
Authority
ES
Spain
Prior art keywords
extrusion die
manufacture
plastics films
define
blown plastics
Prior art date
Legal status (The legal status 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 status listed.)
Granted
Application number
ES1985296017U
Other languages
English (en)
Other versions
ES296017Y (es
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Windmoeller and Hoelscher KG
Original Assignee
Windmoeller and Hoelscher 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 Windmoeller and Hoelscher KG filed Critical Windmoeller and Hoelscher KG
Publication of ES296017U publication Critical patent/ES296017U/es
Application granted granted Critical
Publication of ES296017Y publication Critical patent/ES296017Y/es
Expired legal-status Critical Current

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
    • B29C48/10—Articles with cross-sections having partially or fully enclosed cavities, e.g. pipes or channels flexible, e.g. blown foils
    • 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
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29K—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR MOULDS, REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS
    • B29K2705/00—Use of metals, their alloys or their compounds, for preformed parts, e.g. for inserts

Landscapes

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

Abstract

BOQUILLA DE EXTRUSION PARA UN CABEZAL DE SOPLADO PARA LA FABRICACION DE LAMINAS SOPLADAS DE MATERIAL PLASTICO CON UN ANILLO INTERIOR Y UN ANILLO EXTERIOR DE UN MATERIAL A BASE DE HIERRO, CON PREFERENCIA ACERO, QUE LIMITAN ENTRE SI UNA RANURA DE BOQUILLA ANULAR, CARACTERIZADA POR EL HECHO DE QUE LAS PAREDES, QUE LIMITAN LA RANURA (3) DE LA BOQUILLA, DE LOS ANILLOS INTERIOR Y EXTERIOR (1, 2) SE UNEN CON UNA CAPA (4, 5) DE UN MATERIAL METALICO CON UNA CONDUCTIVIDAD TERMICA SUPERIOR A LA DEL ACERO.
ES1985296017U 1984-10-17 1985-10-03 Boquilla de extrusion para un cabezal de soplado para la fabricacion de laminas sopladas de material plastico Expired ES296017Y (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19848430508U DE8430508U1 (de) 1984-10-17 1984-10-17 Extrusionsduese fuer einen blaskopf zur herstellung von kunststoffblasfolien

Publications (2)

Publication Number Publication Date
ES296017U true ES296017U (es) 1987-10-16
ES296017Y ES296017Y (es) 1988-01-16

Family

ID=6771795

Family Applications (1)

Application Number Title Priority Date Filing Date
ES1985296017U Expired ES296017Y (es) 1984-10-17 1985-10-03 Boquilla de extrusion para un cabezal de soplado para la fabricacion de laminas sopladas de material plastico

Country Status (7)

Country Link
US (1) US4701116A (es)
EP (1) EP0178523B1 (es)
JP (1) JPS61100431A (es)
CA (1) CA1246819A (es)
DE (2) DE8430508U1 (es)
DK (1) DK474185A (es)
ES (1) ES296017Y (es)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3633966A1 (de) * 1986-10-06 1988-04-07 Hoechst Ag Verfahren zum extrudieren einer thermoplast-schmelze

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH461790A (fr) * 1966-08-17 1968-08-31 Rossel Albert Tête d'extrudeuse
NO137266C (no) * 1971-08-11 1978-02-01 Basf Ag Ringdyse for ekstrudere.
GB1441586A (en) * 1972-07-12 1976-07-07 Ici Ltd Method for reducing sharkskin on extruded polymeric material
FR2394623A1 (fr) * 1977-06-14 1979-01-12 Rhone Poulenc Textile Filiere
US4329314A (en) * 1980-10-31 1982-05-11 Mallinckrodt, Inc. Method and apparatus for inside frosting of tubing
DE3211833C2 (de) * 1982-03-31 1985-09-26 Reifenhäuser GmbH & Co Maschinenfabrik, 5210 Troisdorf Blaskopf für die Herstellung einer Kunststoffblasfolie durch Flachlegen eines Blasfolienschlauches
CA1210918A (en) * 1983-06-28 1986-09-09 Arakalgud V. Ramamurthy Process for substantially eliminating surface melt fracture when extruding ethylene polymers

Also Published As

Publication number Publication date
EP0178523B1 (de) 1989-05-17
EP0178523A3 (en) 1987-11-19
US4701116A (en) 1987-10-20
DK474185D0 (da) 1985-10-16
CA1246819A (en) 1988-12-20
JPS61100431A (ja) 1986-05-19
DE3570206D1 (en) 1989-06-22
EP0178523A2 (de) 1986-04-23
DE8430508U1 (de) 1985-02-28
ES296017Y (es) 1988-01-16
DK474185A (da) 1986-04-18

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Legal Events

Date Code Title Description
MM1K Utility model lapsed

Effective date: 19960506