ES2173840T3 - Anillo de refrogeracopm por aire de una pelicula de plastico - Google Patents

Anillo de refrogeracopm por aire de una pelicula de plastico

Info

Publication number
ES2173840T3
ES2173840T3 ES00114393T ES00114393T ES2173840T3 ES 2173840 T3 ES2173840 T3 ES 2173840T3 ES 00114393 T ES00114393 T ES 00114393T ES 00114393 T ES00114393 T ES 00114393T ES 2173840 T3 ES2173840 T3 ES 2173840T3
Authority
ES
Spain
Prior art keywords
ring
refrogeracopm
air
plastic film
deflect
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.)
Expired - Lifetime
Application number
ES00114393T
Other languages
English (en)
Inventor
Vadim Dr Ing Raiko
Stefan Konermann
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.)
Plast Control Geraetebau GmbH
Original Assignee
Plast Control Geraetebau GmbH
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 Plast Control Geraetebau GmbH filed Critical Plast Control Geraetebau GmbH
Application granted granted Critical
Publication of ES2173840T3 publication Critical patent/ES2173840T3/es
Anticipated expiration legal-status Critical
Expired - Lifetime 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
    • B29C48/88—Thermal treatment of the stream of extruded material, e.g. cooling
    • B29C48/911—Cooling
    • B29C48/9115—Cooling of hollow articles
    • B29C48/912—Cooling of hollow articles of tubular films
    • B29C48/913—Cooling of hollow articles of tubular films externally
    • 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)
  • Shaping By String And By Release Of Stress In Plastics And The Like (AREA)
  • Processing And Handling Of Plastics And Other Materials For Molding In General (AREA)
  • Extrusion Moulding Of Plastics Or The Like (AREA)
  • Gasket Seals (AREA)
  • Superconductors And Manufacturing Methods Therefor (AREA)
  • Glass Compositions (AREA)
  • Non-Reversible Transmitting Devices (AREA)
  • Motor Or Generator Cooling System (AREA)

Abstract

Anillo de refrigeración para instalaciones de soplado de láminas con una cámara anular (22) que forma en un borde del contorno una hendidura (23) de salida para la alimentación de un medio de refrigeración sobre la burbuja (14) de la lámina y está dividida mediante bridas radiales (24) en varios segmentos (34), y con elementos incorporados (30,32, 40) para la homogeneización del flujo del medio de refrigeración en los segmentos individuales (34), caracterizado porque los elementos incorporados presentan unas placas (30) de desviación dispuestas oblicuamente respecto a la dirección radial, las cuales desvían una parte del medio de refrigeración de las correspondientes zonas centrales de los segmentos (34) en la dirección hacia las bridas (24).
ES00114393T 2000-07-05 2000-07-05 Anillo de refrogeracopm por aire de una pelicula de plastico Expired - Lifetime ES2173840T3 (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP00114393A EP1170112B1 (de) 2000-07-05 2000-07-05 Kühlring

Publications (1)

Publication Number Publication Date
ES2173840T3 true ES2173840T3 (es) 2002-11-01

Family

ID=8169164

Family Applications (1)

Application Number Title Priority Date Filing Date
ES00114393T Expired - Lifetime ES2173840T3 (es) 2000-07-05 2000-07-05 Anillo de refrogeracopm por aire de una pelicula de plastico

Country Status (6)

Country Link
US (1) US20020004081A1 (es)
EP (1) EP1170112B1 (es)
AT (1) ATE218094T1 (es)
CA (1) CA2352465C (es)
DE (1) DE50000184D1 (es)
ES (1) ES2173840T3 (es)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101035667B (zh) * 2004-10-12 2011-12-28 马科工程及技术公司 具有周边可调气流的气环
US11618200B2 (en) * 2020-03-17 2023-04-04 Michael P. Bucko External cooling air ring for blown-film extrusion
US11826941B1 (en) 2022-06-28 2023-11-28 Daniel R. Joseph Air ring for blown-film extrusion apparatus

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS62198433A (ja) * 1986-02-26 1987-09-02 Bando Chem Ind Ltd 模様入りシ−トの製造方法およびその装置
DE59002496D1 (de) * 1989-06-21 1993-09-30 Stefan Konermann Verfahren und vorrichtung zur blasfolienherstellung.
US5468134A (en) * 1993-12-01 1995-11-21 Cree; Robert E. Cooling and thickness control for extruded products

Also Published As

Publication number Publication date
ATE218094T1 (de) 2002-06-15
CA2352465A1 (en) 2002-01-05
CA2352465C (en) 2009-09-15
US20020004081A1 (en) 2002-01-10
DE50000184D1 (de) 2002-07-04
EP1170112B1 (de) 2002-05-29
EP1170112A1 (de) 2002-01-09

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