CA935119A - Electrostatic pinning of polymeric film - Google Patents

Electrostatic pinning of polymeric film

Info

Publication number
CA935119A
CA935119A CA080764A CA80764A CA935119A CA 935119 A CA935119 A CA 935119A CA 080764 A CA080764 A CA 080764A CA 80764 A CA80764 A CA 80764A CA 935119 A CA935119 A CA 935119A
Authority
CA
Canada
Prior art keywords
polymeric film
electrostatic pinning
pinning
electrostatic
polymeric
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
CA080764A
Other languages
English (en)
Inventor
E. Hawkins William
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 CA935119A publication Critical patent/CA935119A/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
    • B29C48/9165—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
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Extrusion Moulding Of Plastics Or The Like (AREA)
  • Treatments Of Macromolecular Shaped Articles (AREA)
CA080764A 1969-05-12 1970-04-21 Electrostatic pinning of polymeric film Expired CA935119A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US82381069A 1969-05-12 1969-05-12
US2169470A 1970-03-23 1970-03-23

Publications (1)

Publication Number Publication Date
CA935119A true CA935119A (en) 1973-10-09

Family

ID=26695009

Family Applications (1)

Application Number Title Priority Date Filing Date
CA080764A Expired CA935119A (en) 1969-05-12 1970-04-21 Electrostatic pinning of polymeric film

Country Status (7)

Country Link
BE (1) BE750213A (fr)
CA (1) CA935119A (fr)
DE (1) DE2022902C3 (fr)
FR (1) FR2047669A5 (fr)
GB (1) GB1309664A (fr)
LU (1) LU60896A1 (fr)
NL (1) NL168165C (fr)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5835131B2 (ja) * 1975-04-01 1983-08-01 帝人株式会社 熱可塑性樹脂フイルムの製造装置
FR2415528A1 (fr) * 1978-01-25 1979-08-24 Cellophane Sa Amelioration aux procedes de fabrication de films par placage electrostatique
US4734721A (en) * 1985-10-04 1988-03-29 Markem Corporation Electrostatic printer utilizing dehumidified air
EP0255676A1 (fr) * 1986-07-29 1988-02-10 Markem Corporation Imprimante offset électrostatique et procédé de formation d'image utilisant de l'air déshumidifié
US4809027A (en) * 1986-07-29 1989-02-28 Markem Corporation Offset electrostatic printing utilizing a heated air flow
US4772901A (en) * 1986-07-29 1988-09-20 Markem Corporation Electrostatic printing utilizing dehumidified air
US4809026A (en) * 1986-07-29 1989-02-28 Markem Corporation Electrostatic printing utilizing a heated air flow
US4890123A (en) * 1988-08-01 1989-12-26 Delphax Systems Print cartridge
DE3991365C2 (de) * 1988-11-17 2001-07-19 Gunze Kk Verfahren zur Verbesserung der innenseitigen Fläche einer luftdichten wärmeschrumpfbaren mehrlagigen Kunststoff-Schichtfolie

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL264253A (fr) * 1960-05-03 1900-01-01

Also Published As

Publication number Publication date
BE750213A (fr) 1970-11-12
NL7006770A (fr) 1970-11-16
DE2022902C3 (de) 1986-03-27
NL168165C (nl) 1982-03-16
DE2022902B2 (de) 1979-02-01
GB1309664A (en) 1973-03-14
FR2047669A5 (fr) 1971-03-12
LU60896A1 (fr) 1970-07-16
DE2022902A1 (de) 1970-12-17

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