FR1128589A - Process for casting and stretching films - Google Patents

Process for casting and stretching films

Info

Publication number
FR1128589A
FR1128589A FR1128589DA FR1128589A FR 1128589 A FR1128589 A FR 1128589A FR 1128589D A FR1128589D A FR 1128589DA FR 1128589 A FR1128589 A FR 1128589A
Authority
FR
France
Prior art keywords
casting
stretching films
stretching
films
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
Other languages
French (fr)
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
Priority claimed from US425140A external-priority patent/US2920352A/en
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 FR1128589A publication Critical patent/FR1128589A/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
    • B29C55/00—Shaping by stretching, e.g. drawing through a die; Apparatus therefor
    • B29C55/02—Shaping by stretching, e.g. drawing through a die; Apparatus therefor of plates or sheets
    • B29C55/04—Shaping by stretching, e.g. drawing through a die; Apparatus therefor of plates or sheets uniaxial, e.g. oblique
    • B29C55/06—Shaping by stretching, e.g. drawing through a die; Apparatus therefor of plates or sheets uniaxial, e.g. oblique parallel with the direction of feed
    • 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
    • B29C48/91—Heating, e.g. for cross linking
    • 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
    • B29K—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR MOULDS, REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS
    • B29K2067/00—Use of polyesters or derivatives thereof, as moulding material

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Shaping By String And By Release Of Stress In Plastics And The Like (AREA)
FR1128589D 1954-04-23 1955-04-20 Process for casting and stretching films Expired FR1128589A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US425140A US2920352A (en) 1954-04-23 1954-04-23 Process of casting and stretching film

Publications (1)

Publication Number Publication Date
FR1128589A true FR1128589A (en) 1957-01-08

Family

ID=23685332

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1128589D Expired FR1128589A (en) 1954-04-23 1955-04-20 Process for casting and stretching films

Country Status (3)

Country Link
BE (1) BE537628A (en)
FR (1) FR1128589A (en)
GB (1) GB780215A (en)

Also Published As

Publication number Publication date
BE537628A (en) 1900-01-01
GB780215A (en) 1957-07-31

Similar Documents

Publication Publication Date Title
FR1210212A (en) Nylon stretching process
FR1121875A (en) Clothing effect and process for its manufacture
CH328462A (en) Process for the production of photographic material
FR1144261A (en) Method of stretching plastic sheets
FR66139E (en) Method and device for coating molds and ingot molds
FR1132543A (en) Process for processing films
FR1128589A (en) Process for casting and stretching films
FR1132126A (en) Method and apparatus for the extrusion and packaging of tubes and films
FR1097390A (en) Stretching and coating process for heat-stretch films
FR1130983A (en) Process for activating clay
FR1183398A (en) New method and apparatus for hydro-culture
FR1138827A (en) Process for producing ammonia and methanol
FR1185833A (en) Method and machine for casting films
FR1124817A (en) Process for casting films
FR1132042A (en) Improved hydroreformation process
FR1135880A (en) Method of determining ovulation
FR1134383A (en) Polymerizable solutions of organopolysiloxanes and process for gelling them
FR66688E (en) Process for the production of acrylnitrile
FR1115001A (en) Process for obtaining methacrylic copolymers in emulsion
FR1117372A (en) Process for the purification of alcohols
FR1117606A (en) Process for casting hollow objects
FR1129917A (en) Film stretching and laminating process
FR1138736A (en) Process for obtaining chlorophyll and its derivatives
FR1144240A (en) Hydroreformation process
FR73702E (en) Process and installation for obtaining naphthalene