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BR0000470A - Processo para produção de pelìcula polimérica - Google Patents

Processo para produção de pelìcula polimérica

Info

Publication number
BR0000470A
BR0000470A BR0000470-7A BR0000470A BR0000470A BR 0000470 A BR0000470 A BR 0000470A BR 0000470 A BR0000470 A BR 0000470A BR 0000470 A BR0000470 A BR 0000470A
Authority
BR
Brazil
Prior art keywords
production
polymeric film
protect
covering
raw material
Prior art date
Application number
BR0000470-7A
Other languages
English (en)
Inventor
Robet Marcel De Wilde
Pascal Yves Duro
Original Assignee
Praxair Technology Inc
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 Praxair Technology Inc filed Critical Praxair Technology Inc
Publication of BR0000470A publication Critical patent/BR0000470A/pt

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
    • B29C48/92—Measuring, controlling or regulating
    • 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
    • B29C48/91—Heating, e.g. for cross linking
    • 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
    • B29C48/14—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor characterised by the particular extruding conditions, e.g. in a modified atmosphere or by using vibration
    • 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
    • B29C48/14—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor characterised by the particular extruding conditions, e.g. in a modified atmosphere or by using vibration
    • B29C48/141—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor characterised by the particular extruding conditions, e.g. in a modified atmosphere or by using vibration extruding in a clean room
    • 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
    • B29C48/78—Thermal treatment of the extrusion moulding material or of preformed parts or layers, e.g. by heating or cooling
    • B29C48/80—Thermal treatment of the extrusion moulding material or of preformed parts or layers, e.g. by heating or cooling at the plasticising zone, e.g. by heating cylinders
    • B29C48/83—Heating or cooling the cylinders
    • B29C48/832—Heating
    • 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
    • B29C2793/00—Shaping techniques involving a cutting or machining operation
    • B29C2793/0063—Cutting longitudinally
    • 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
    • B29C48/001—Combinations of extrusion moulding with other shaping operations
    • B29C48/0022—Combinations of extrusion moulding with other shaping operations combined with cutting

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)
  • Laminated Bodies (AREA)

Abstract

"PROCESSO PARA PRODUçãO DE PELìCULA POLIMéRICA". Esta invenção refere-se a um processo e sistema para uso de técnicas de inerciação de barreira laminar para proteger uma área selecionada em um espaço aberto cobrindo a saída de película polimérica e/ou a entrada de matéria-prima com gás inerte.
BR0000470-7A 1999-02-16 2000-02-15 Processo para produção de pelìcula polimérica BR0000470A (pt)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US09/250,266 US6270705B1 (en) 1999-02-16 1999-02-16 Method and system for inerting polymeric film producing machines

Publications (1)

Publication Number Publication Date
BR0000470A true BR0000470A (pt) 2000-08-29

Family

ID=22947040

Family Applications (1)

Application Number Title Priority Date Filing Date
BR0000470-7A BR0000470A (pt) 1999-02-16 2000-02-15 Processo para produção de pelìcula polimérica

Country Status (6)

Country Link
US (1) US6270705B1 (pt)
EP (1) EP1031405A3 (pt)
KR (1) KR20000057959A (pt)
CN (1) CN1265351A (pt)
BR (1) BR0000470A (pt)
CA (1) CA2299033A1 (pt)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6619941B1 (en) * 2000-04-28 2003-09-16 Battenfeld Gloucester Engineering Co., Inc. Cast film cooling device
FR2813817B1 (fr) * 2000-09-13 2002-10-18 Air Liquide Dispositif de mise en forme d'objets en matiere plastique sous atmosphere inerte
JP2004057703A (ja) * 2002-07-31 2004-02-26 L'air Liquide Sa Pour L'etude & L'exploitation Des Procedes Georges Claude 血液透析装置の廃液処理装置
EP1600271A1 (fr) * 2004-05-11 2005-11-30 Nestlé Waters Management & Technology Procédé et dispositif de fabrication d'une préforme en matière plastique
CN103707483B (zh) * 2013-12-25 2016-04-27 上海金发科技发展有限公司 一种预防造粒过程中在口模位置产生碳化物的装置
US11207799B2 (en) * 2017-06-26 2021-12-28 Wisconsin Alumni Research Foundation Pelletization gas guide

Family Cites Families (19)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2252689A (en) 1938-03-10 1941-08-19 Du Pont Production of filaments, ribbons, and the like
GB567358A (en) * 1942-04-13 1945-02-12 Ici Ltd Process for forming sheets from molten film-forming materials
US3077428A (en) * 1956-06-29 1963-02-12 Union Carbide Corp Heat sealable polyethylene laminate and method of making same
JPS4935816B1 (pt) 1967-03-10 1974-09-26
US3671653A (en) * 1970-10-19 1972-06-20 Du Pont Gas purging of spinning packs
US3847522A (en) 1972-04-24 1974-11-12 Du Pont Spinneret blanketing apparatus
US3936950A (en) * 1974-04-16 1976-02-10 Union Carbide Corporation Method of inerting the atmosphere above a moving product
JPS6051438B2 (ja) * 1979-12-21 1985-11-13 三井化学株式会社 ラミネ−ト物の製造方法及びそれに用いる押出用ダイ
JPS59198125A (ja) 1983-04-26 1984-11-09 Inoue Mtp Co Ltd 架橋ポリエチレンパイプの押出成形機
US4554120A (en) * 1983-06-28 1985-11-19 Union Carbide Corporation Process for eliminating surface melt fracture during extrusion of thermoplastic polymers
JPH0745181B2 (ja) * 1987-04-01 1995-05-17 富士写真フイルム株式会社 ラミネ−ト物の製造方法
US4823680A (en) 1987-12-07 1989-04-25 Union Carbide Corporation Wide laminar fluid doors
US5204032A (en) * 1989-06-15 1993-04-20 Union Carbide Chemicals & Plastics Technology Corporation Process for substantially eliminating surface melt fracture during extrusion of thermoplastic polymers
US5045259A (en) * 1990-03-14 1991-09-03 The Dow Chemical Company Extrusion of vinylidene chloride copolymers under inert atmosphere
JP2987183B2 (ja) 1990-09-17 1999-12-06 昭和電工株式会社 押出成形方法およびその装置
US5378263A (en) * 1992-12-21 1995-01-03 Praxair Technology, Inc. High purity membrane nitrogen
US5391071A (en) 1993-10-29 1995-02-21 Eastman Kodak Company Apparatus and method for inspecting and cleaning lips of castings die
FR2713952B1 (fr) 1993-12-22 1996-01-12 Air Liquide Dispositif et procédé d'injection de gaz pour la formation d'une atmosphère contrôlée dans un espace confiné.
US5682723A (en) 1995-08-25 1997-11-04 Praxair Technology, Inc. Turbo-laminar purging system

Also Published As

Publication number Publication date
US6270705B1 (en) 2001-08-07
EP1031405A3 (en) 2001-03-21
KR20000057959A (ko) 2000-09-25
CA2299033A1 (en) 2000-08-16
EP1031405A2 (en) 2000-08-30
CN1265351A (zh) 2000-09-06

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Legal Events

Date Code Title Description
FA10 Dismissal: dismissal - article 33 of industrial property law
B11Y Definitive dismissal - extension of time limit for request of examination expired [chapter 11.1.1 patent gazette]