DE2114846C2 - Vorrichtung zum Führen und Andrücken einer thermoplastischen Folienbahn auf eine sich bewegende Abschreckfläche - Google Patents

Vorrichtung zum Führen und Andrücken einer thermoplastischen Folienbahn auf eine sich bewegende Abschreckfläche

Info

Publication number
DE2114846C2
DE2114846C2 DE2114846A DE2114846A DE2114846C2 DE 2114846 C2 DE2114846 C2 DE 2114846C2 DE 2114846 A DE2114846 A DE 2114846A DE 2114846 A DE2114846 A DE 2114846A DE 2114846 C2 DE2114846 C2 DE 2114846C2
Authority
DE
Germany
Prior art keywords
film web
bearing
gas
gas cushion
pressing
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
DE2114846A
Other languages
German (de)
English (en)
Other versions
DE2114846A1 (de
Inventor
David Edward Newark Del. 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.)
EIDP Inc
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
Publication of DE2114846A1 publication Critical patent/DE2114846A1/de
Application granted granted Critical
Publication of DE2114846C2 publication Critical patent/DE2114846C2/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
    • B29C48/25—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 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
    • B29C48/9155—Pressure rollers
    • 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
    • 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

Landscapes

  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Extrusion Moulding Of Plastics Or The Like (AREA)
  • Advancing Webs (AREA)
  • Moulding By Coating Moulds (AREA)
  • Optical Couplings Of Light Guides (AREA)
DE2114846A 1970-03-27 1971-03-26 Vorrichtung zum Führen und Andrücken einer thermoplastischen Folienbahn auf eine sich bewegende Abschreckfläche Expired DE2114846C2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US2339070A 1970-03-27 1970-03-27

Publications (2)

Publication Number Publication Date
DE2114846A1 DE2114846A1 (de) 1971-10-21
DE2114846C2 true DE2114846C2 (de) 1983-04-07

Family

ID=21814808

Family Applications (2)

Application Number Title Priority Date Filing Date
DE2114846A Expired DE2114846C2 (de) 1970-03-27 1971-03-26 Vorrichtung zum Führen und Andrücken einer thermoplastischen Folienbahn auf eine sich bewegende Abschreckfläche
DE19717111346U Expired DE7111346U (de) 1970-03-27 1971-03-26 Vorrichtung zum abschrecken einer bahn aus thermoplastischem schmelzfluss

Family Applications After (1)

Application Number Title Priority Date Filing Date
DE19717111346U Expired DE7111346U (de) 1970-03-27 1971-03-26 Vorrichtung zum abschrecken einer bahn aus thermoplastischem schmelzfluss

Country Status (8)

Country Link
JP (1) JPS5218230B1 (2)
BE (1) BE764881A (2)
CA (1) CA969312A (2)
DE (2) DE2114846C2 (2)
FR (1) FR2083619B1 (2)
GB (1) GB1333133A (2)
LU (1) LU62858A1 (2)
NL (1) NL159608B (2)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3779682A (en) * 1972-03-08 1973-12-18 Du Pont Quenching molten thermoplastic film
DE19618716C2 (de) * 1996-05-09 1999-01-21 Brueckner Maschbau Vorrichtung zum Anlegen eines Kunststoffilms an einer Walze

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1027391A (fr) * 1950-09-09 1953-05-11 Machine pour assurer le séchage des pâtes alimentaires dites longues
US3061940A (en) * 1958-08-22 1962-11-06 Du Pont Method and apparatus for heat transfer
US3097971A (en) * 1960-11-09 1963-07-16 British Iron Steel Research Method of and apparatus for supporting or guiding strip material
US3268766A (en) * 1964-02-04 1966-08-23 Du Pont Apparatus for removal of electric charges from dielectric film surfaces
DE1504464C3 (de) * 1964-06-02 1975-05-15 Hoechst Ag, 6000 Frankfurt Verfahren und Vorrichtung zur Herstellung von hochtransparenten Folien aus thermoplastischen Kunststoffen
JPS5018026B1 (2) * 1966-11-12 1975-06-25
JPS537999B2 (2) * 1972-07-21 1978-03-24

Also Published As

Publication number Publication date
DE2114846A1 (de) 1971-10-21
FR2083619B1 (2) 1976-02-06
NL7104095A (2) 1971-09-29
CA969312A (en) 1975-06-17
JPS5218230B1 (2) 1977-05-20
FR2083619A1 (2) 1971-12-17
LU62858A1 (2) 1971-11-08
NL159608B (nl) 1979-03-15
BE764881A (fr) 1971-09-27
GB1333133A (en) 1973-10-10
DE7111346U (de) 1971-08-12

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Legal Events

Date Code Title Description
D2 Grant after examination
8364 No opposition during term of opposition