DE3069110D1 - Process for pneumatic gauge adjustment of edge-pinned cast web - Google Patents

Process for pneumatic gauge adjustment of edge-pinned cast web

Info

Publication number
DE3069110D1
DE3069110D1 DE8080303964T DE3069110T DE3069110D1 DE 3069110 D1 DE3069110 D1 DE 3069110D1 DE 8080303964 T DE8080303964 T DE 8080303964T DE 3069110 T DE3069110 T DE 3069110T DE 3069110 D1 DE3069110 D1 DE 3069110D1
Authority
DE
Germany
Prior art keywords
pinned
edge
cast web
gauge adjustment
pneumatic gauge
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
Application number
DE8080303964T
Other languages
English (en)
Inventor
David Edward Heyer
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.)
DuPont Teijin Films US LP
Original Assignee
EI Du Pont de Nemours and Co
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 EI Du Pont de Nemours and Co filed Critical EI Du Pont de Nemours and Co
Application granted granted Critical
Publication of DE3069110D1 publication Critical patent/DE3069110D1/de
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
    • B29C48/88—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
    • 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
    • B29C48/9165—Electrostatic pinning

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Extrusion Moulding Of Plastics Or The Like (AREA)
DE8080303964T 1980-11-06 1980-11-06 Process for pneumatic gauge adjustment of edge-pinned cast web Expired DE3069110D1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP80303964A EP0051699B1 (de) 1980-11-06 1980-11-06 Verfahren zur pneumatischen Dickeneinstellung bei einer kantengehefteten Giessfolie

Publications (1)

Publication Number Publication Date
DE3069110D1 true DE3069110D1 (en) 1984-10-11

Family

ID=8187292

Family Applications (1)

Application Number Title Priority Date Filing Date
DE8080303964T Expired DE3069110D1 (en) 1980-11-06 1980-11-06 Process for pneumatic gauge adjustment of edge-pinned cast web

Country Status (2)

Country Link
EP (1) EP0051699B1 (de)
DE (1) DE3069110D1 (de)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2697198B1 (fr) * 1992-10-26 1995-02-24 Darlet Marchante Tech Sa Dispositif pour le placage de produits en feuille ou plaque sur un tambour de refroidissement.
JP4641673B2 (ja) 2001-07-06 2011-03-02 ユニチカ株式会社 ポリアミドフィルムの製造方法
KR100461542B1 (ko) * 2002-12-26 2004-12-17 한국전자통신연구원 다중 주파수 대역을 이용한 디지탈 방송 송/수신 장치 및그 방법

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3502757A (en) * 1967-01-20 1970-03-24 Eastman Kodak Co Method of controlling contaminant buildup on extrusion dies used in casting thermoplastic sheeting
US3597515A (en) * 1969-01-22 1971-08-03 Dow Chemical Co Plastic extrusion process in chill roll casting of film for improved flatness
CA922664A (en) * 1969-05-12 1973-03-13 E. Hawkins William Gas assisted electrostatic pinning
US4017575A (en) * 1972-03-08 1977-04-12 E. I. Du Pont De Nemours And Company Production of a flat thermoplastic film by passing the film over a bearing having a lubricating fluid on the surface thereof
US3904725A (en) * 1972-03-08 1975-09-09 Du Pont Quenching molten thermoplastic film

Also Published As

Publication number Publication date
EP0051699A1 (de) 1982-05-19
EP0051699B1 (de) 1984-09-05

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Legal Events

Date Code Title Description
8327 Change in the person/name/address of the patent owner

Owner name: DUPONT TEIJIN FILMS U.S.LTD. PARTNERSHIP, WILMINGT