ES2133756T3 - Mejoras en la produccion de peliculas termoplasticas de una o varias capas. - Google Patents

Mejoras en la produccion de peliculas termoplasticas de una o varias capas.

Info

Publication number
ES2133756T3
ES2133756T3 ES95913161T ES95913161T ES2133756T3 ES 2133756 T3 ES2133756 T3 ES 2133756T3 ES 95913161 T ES95913161 T ES 95913161T ES 95913161 T ES95913161 T ES 95913161T ES 2133756 T3 ES2133756 T3 ES 2133756T3
Authority
ES
Spain
Prior art keywords
production
multiple layers
liquid
thermoplastic films
liquid knife
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
ES95913161T
Other languages
English (en)
Inventor
Giuliano Cavaglia
Renato Angelo Colnaghi
Daniele Novelli
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.)
Cryovac LLC
Original Assignee
Cryovac LLC
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 Cryovac LLC filed Critical Cryovac LLC
Application granted granted Critical
Publication of ES2133756T3 publication Critical patent/ES2133756T3/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
    • B29C48/9135—Cooling of flat articles, e.g. using specially adapted supporting means
    • B29C48/915—Cooling of flat articles, e.g. using specially adapted supporting means with means for improving the adhesion to the supporting means
    • B29C48/917—Cooling of flat articles, e.g. using specially adapted supporting means with means for improving the adhesion to the supporting means by applying pressurised gas to the surface of the flat article
    • 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
    • B29C48/07—Flat, e.g. panels
    • B29C48/08—Flat, e.g. panels flexible, e.g. films
    • 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
    • B29C48/9135—Cooling of flat articles, e.g. using specially adapted supporting means
    • B29C48/914—Cooling of flat articles, e.g. using specially adapted supporting means cooling drums

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Extrusion Moulding Of Plastics Or The Like (AREA)
  • Laminated Bodies (AREA)
  • Transition And Organic Metals Composition Catalysts For Addition Polymerization (AREA)
  • Physical Deposition Of Substances That Are Components Of Semiconductor Devices (AREA)

Abstract

SE PRESENTA UN PROCESO Y UN APARATO PARA LA PRODUCCION DE UNA PELICULA TERMOPLASTICA PLANA MONO O MULTICAPA (2) PARA APLICACIONES DE ENVASADO, QUE COMPRENDE UN TROQUEL DE EXTRUSION PLANO (1) Y UN RODILLO FRIO (6) PROVISTO DE UN SISTEMA DE ENFRIAMIENTO INTERNO. UN DISPOSITIVO DE CORTINA DE LIQUIDO (10) SE ASOCIA CON EL RODILLO FRIO (6) PARA PRODUCIR UNA CORTINA DE LIQUIDO CONTINUA Y SUBSTANCIALMENTE UNIFORME (20) A UNA VELOCIDAD Y TEMPERATURA PREDETERMINADA, EL DISPOSITIVO DE CORTINA DE LIQUIDO (10) ESTA PROVISTO DE UNA RANURA (19) QUE TIENE UNA SECCION TRANSVERSAL DE SALIDA DE FLUJO AJUSTABLE (21) Y ES ALIMENTADA CON UN LIQUIDO A UNA TEMPERATURA Y UNA VELOCIDAD DE FLUJO PREDETERMINADAS.
ES95913161T 1994-04-01 1995-03-24 Mejoras en la produccion de peliculas termoplasticas de una o varias capas. Expired - Lifetime ES2133756T3 (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP94200905 1994-04-01

Publications (1)

Publication Number Publication Date
ES2133756T3 true ES2133756T3 (es) 1999-09-16

Family

ID=8216760

Family Applications (1)

Application Number Title Priority Date Filing Date
ES95913161T Expired - Lifetime ES2133756T3 (es) 1994-04-01 1995-03-24 Mejoras en la produccion de peliculas termoplasticas de una o varias capas.

Country Status (15)

Country Link
EP (1) EP0754115B1 (es)
JP (1) JPH09511699A (es)
AT (1) ATE180203T1 (es)
AU (1) AU705720B2 (es)
BR (1) BR9507238A (es)
CA (1) CA2185917A1 (es)
CZ (1) CZ288196A3 (es)
DE (1) DE69509767T2 (es)
DK (1) DK0754115T3 (es)
ES (1) ES2133756T3 (es)
FI (1) FI111346B (es)
MX (1) MX9604339A (es)
NZ (1) NZ282820A (es)
PL (1) PL177511B1 (es)
WO (1) WO1995026867A1 (es)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
RU2336174C2 (ru) 2003-07-30 2008-10-20 Криовак, Инк. Многослойная ориентированная высокомодульная пленка
EP3040364B1 (en) * 2014-12-30 2017-06-14 Abu Dhabi Polymers Company Limited (Borouge) L.L.C. Polypropylene compound with improved optical property and gel level

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL259350A (es) * 1960-08-09 1900-01-01
EP0065415B1 (en) * 1981-05-14 1986-08-20 E.I. Du Pont De Nemours And Company Polymeric film casting and apparatus therefor
US4676851A (en) * 1984-04-25 1987-06-30 First Brands Corporation Process and apparatus for forming integral interlocking closure film stock
JPS62214921A (ja) * 1986-03-18 1987-09-21 Mitsui Toatsu Chem Inc 結晶性ポリオレフイン樹脂シ−トまたはフイルムの製造方法
FI82633C (fi) * 1987-10-12 1991-04-10 Muolon Oy Foerfarande foer framstaellning av en krympande produkt.

Also Published As

Publication number Publication date
BR9507238A (pt) 1997-09-16
NZ282820A (en) 1998-08-26
ATE180203T1 (de) 1999-06-15
PL177511B1 (pl) 1999-11-30
FI963917A0 (fi) 1996-09-30
DK0754115T3 (da) 1999-11-29
CZ288196A3 (en) 1997-04-16
AU705720B2 (en) 1999-05-27
DE69509767D1 (de) 1999-06-24
DE69509767T2 (de) 1999-12-02
PL316567A1 (en) 1997-01-20
FI111346B (fi) 2003-07-15
JPH09511699A (ja) 1997-11-25
MX9604339A (es) 1997-06-28
EP0754115B1 (en) 1999-05-19
WO1995026867A1 (en) 1995-10-12
FI963917A (fi) 1996-09-30
EP0754115A1 (en) 1997-01-22
CA2185917A1 (en) 1995-10-12
AU2073095A (en) 1995-10-23

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