CA922664A - Gas assisted electrostatic pinning - Google Patents

Gas assisted electrostatic pinning

Info

Publication number
CA922664A
CA922664A CA080765A CA80765A CA922664A CA 922664 A CA922664 A CA 922664A CA 080765 A CA080765 A CA 080765A CA 80765 A CA80765 A CA 80765A CA 922664 A CA922664 A CA 922664A
Authority
CA
Canada
Prior art keywords
gas assisted
electrostatic pinning
assisted electrostatic
pinning
gas
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
CA080765A
Inventor
E. Hawkins William
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 CA922664A publication Critical patent/CA922664A/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 of flat articles, e.g. using specially adapted supporting means cooling drums

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Extrusion Moulding Of Plastics Or The Like (AREA)
  • Moulding By Coating Moulds (AREA)
CA080765A 1969-05-12 1970-04-21 Gas assisted electrostatic pinning Expired CA922664A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US82384769A 1969-05-12 1969-05-12
US2169670A 1970-03-23 1970-03-23

Publications (1)

Publication Number Publication Date
CA922664A true CA922664A (en) 1973-03-13

Family

ID=26695011

Family Applications (1)

Application Number Title Priority Date Filing Date
CA080765A Expired CA922664A (en) 1969-05-12 1970-04-21 Gas assisted electrostatic pinning

Country Status (8)

Country Link
JP (1) JPS5028108B1 (en)
BE (1) BE750215A (en)
CA (1) CA922664A (en)
DE (2) DE2022913A1 (en)
FR (1) FR2042572A1 (en)
GB (1) GB1309449A (en)
LU (1) LU60895A1 (en)
NL (1) NL7006769A (en)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3069110D1 (en) * 1980-11-06 1984-10-11 Du Pont Process for pneumatic gauge adjustment of edge-pinned cast web
US4734721A (en) * 1985-10-04 1988-03-29 Markem Corporation Electrostatic printer utilizing dehumidified air
US4809026A (en) * 1986-07-29 1989-02-28 Markem Corporation Electrostatic printing utilizing a heated air flow
CA1285601C (en) * 1986-07-29 1991-07-02 Alan H. Boyer Offset electrostatic printer and imaging process utilizing dehumidified air
US4772901A (en) * 1986-07-29 1988-09-20 Markem Corporation Electrostatic printing utilizing dehumidified air
US4809027A (en) * 1986-07-29 1989-02-28 Markem Corporation Offset electrostatic printing utilizing a heated air flow
DE3705482A1 (en) * 1987-02-20 1988-09-01 Hoechst Ag METHOD AND ARRANGEMENT FOR THE SURFACE PRE-TREATMENT OF PLASTIC BY MEANS OF AN ELECTRIC CORONA DISCHARGE

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1129136A (en) * 1965-07-30 1968-10-02 Ici Ltd Thermoplastic film production

Also Published As

Publication number Publication date
DE7017574U (en) 1970-10-19
LU60895A1 (en) 1970-07-16
NL7006769A (en) 1970-11-16
BE750215A (en) 1970-11-12
FR2042572A1 (en) 1971-02-12
JPS5028108B1 (en) 1975-09-12
GB1309449A (en) 1973-03-14
DE2022913A1 (en) 1970-11-19

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