CA969312A - Quenching molten thermoplastic web - Google Patents

Quenching molten thermoplastic web

Info

Publication number
CA969312A
CA969312A CA107,534A CA107534A CA969312A CA 969312 A CA969312 A CA 969312A CA 107534 A CA107534 A CA 107534A CA 969312 A CA969312 A CA 969312A
Authority
CA
Canada
Prior art keywords
molten thermoplastic
thermoplastic web
quenching molten
quenching
web
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
CA107,534A
Other languages
English (en)
Inventor
David E. 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
Application granted granted Critical
Publication of CA969312A publication Critical patent/CA969312A/en
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 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
    • B29C48/9155—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)
  • Optical Couplings Of Light Guides (AREA)
  • Advancing Webs (AREA)
CA107,534A 1970-03-27 1971-03-11 Quenching molten thermoplastic web Expired CA969312A (en)

Applications Claiming Priority (1)

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

Publications (1)

Publication Number Publication Date
CA969312A true CA969312A (en) 1975-06-17

Family

ID=21814808

Family Applications (1)

Application Number Title Priority Date Filing Date
CA107,534A Expired CA969312A (en) 1970-03-27 1971-03-11 Quenching molten thermoplastic web

Country Status (8)

Country Link
JP (1) JPS5218230B1 (es)
BE (1) BE764881A (es)
CA (1) CA969312A (es)
DE (2) DE7111346U (es)
FR (1) FR2083619B1 (es)
GB (1) GB1333133A (es)
LU (1) LU62858A1 (es)
NL (1) NL159608B (es)

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 (es) * 1966-11-12 1975-06-25
JPS537999B2 (es) * 1972-07-21 1978-03-24

Also Published As

Publication number Publication date
FR2083619A1 (es) 1971-12-17
NL7104095A (es) 1971-09-29
JPS5218230B1 (es) 1977-05-20
NL159608B (nl) 1979-03-15
DE2114846C2 (de) 1983-04-07
FR2083619B1 (es) 1976-02-06
DE2114846A1 (de) 1971-10-21
GB1333133A (en) 1973-10-10
BE764881A (fr) 1971-09-27
LU62858A1 (es) 1971-11-08
DE7111346U (de) 1971-08-12

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