FR2323515A1 - Procede et dispositif pour l'amelioration, en cours de fabrication par etirage, du profil de l'epaisseur de feuilles planes thermoplastiques - Google Patents

Procede et dispositif pour l'amelioration, en cours de fabrication par etirage, du profil de l'epaisseur de feuilles planes thermoplastiques

Info

Publication number
FR2323515A1
FR2323515A1 FR7627253A FR7627253A FR2323515A1 FR 2323515 A1 FR2323515 A1 FR 2323515A1 FR 7627253 A FR7627253 A FR 7627253A FR 7627253 A FR7627253 A FR 7627253A FR 2323515 A1 FR2323515 A1 FR 2323515A1
Authority
FR
France
Prior art keywords
sheet
roll
cooled
drawn
thicknesssss
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.)
Granted
Application number
FR7627253A
Other languages
English (en)
French (fr)
Other versions
FR2323515B1 (Direct
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.)
Hoechst AG
Original Assignee
Hoechst AG
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 Hoechst AG filed Critical Hoechst AG
Publication of FR2323515A1 publication Critical patent/FR2323515A1/fr
Application granted granted Critical
Publication of FR2323515B1 publication Critical patent/FR2323515B1/fr
Granted 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 drums

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)
FR7627253A 1975-09-12 1976-09-10 Procede et dispositif pour l'amelioration, en cours de fabrication par etirage, du profil de l'epaisseur de feuilles planes thermoplastiques Granted FR2323515A1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19752540629 DE2540629B2 (de) 1975-09-12 1975-09-12 Verfahren und vorrichtung zum laengsstrecken einer folienbahn aus thermoplastischem kunststoff

Publications (2)

Publication Number Publication Date
FR2323515A1 true FR2323515A1 (fr) 1977-04-08
FR2323515B1 FR2323515B1 (Direct) 1978-10-20

Family

ID=5956265

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7627253A Granted FR2323515A1 (fr) 1975-09-12 1976-09-10 Procede et dispositif pour l'amelioration, en cours de fabrication par etirage, du profil de l'epaisseur de feuilles planes thermoplastiques

Country Status (4)

Country Link
JP (1) JPS5235271A (Direct)
DE (1) DE2540629B2 (Direct)
FR (1) FR2323515A1 (Direct)
LU (1) LU75771A1 (Direct)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4430641A (en) * 1981-05-11 1984-02-07 Tektronix, Inc. Charge-pump glitch filter
DE102004004084A1 (de) * 2004-01-27 2005-08-18 Treofan Germany Gmbh & Co.Kg Verfahren und Vorrichtung zum Längsstrecken einer Folienbahn

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
NEANT *

Also Published As

Publication number Publication date
LU75771A1 (Direct) 1978-05-12
JPS5235271A (en) 1977-03-17
DE2540629B2 (de) 1977-10-06
FR2323515B1 (Direct) 1978-10-20
DE2540629A1 (de) 1977-03-24

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Legal Events

Date Code Title Description
ST Notification of lapse