FR1144261A - Procédé d'étirage de feuilles en matières plastiques - Google Patents

Procédé d'étirage de feuilles en matières plastiques

Info

Publication number
FR1144261A
FR1144261A FR1144261DA FR1144261A FR 1144261 A FR1144261 A FR 1144261A FR 1144261D A FR1144261D A FR 1144261DA FR 1144261 A FR1144261 A FR 1144261A
Authority
FR
France
Prior art keywords
plastic sheets
stretching plastic
stretching
sheets
plastic
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
English (en)
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.)
Polaroid Corp
International Polaroid Corp
Original Assignee
Polaroid Corp
International Polaroid Corp
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 Polaroid Corp, International Polaroid Corp filed Critical Polaroid Corp
Application granted granted Critical
Publication of FR1144261A publication Critical patent/FR1144261A/fr
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
    • B29C35/00—Heating, cooling or curing, e.g. crosslinking or vulcanising; Apparatus therefor
    • B29C35/02—Heating or curing, e.g. crosslinking or vulcanizing during moulding, e.g. in a mould
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S264/00—Plastic and nonmetallic article shaping or treating: processes
    • Y10S264/73—Processes of stretching

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Shaping By String And By Release Of Stress In Plastics And The Like (AREA)
FR1144261D 1954-12-21 1955-12-20 Procédé d'étirage de feuilles en matières plastiques Expired FR1144261A (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US1144261XA 1954-12-21 1954-12-21
US476624A US2804652A (en) 1954-12-21 1954-12-21 Method of stretching plastic materials

Publications (1)

Publication Number Publication Date
FR1144261A true FR1144261A (fr) 1957-10-11

Family

ID=26812177

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1144261D Expired FR1144261A (fr) 1954-12-21 1955-12-20 Procédé d'étirage de feuilles en matières plastiques

Country Status (2)

Country Link
US (1) US2804652A (fr)
FR (1) FR1144261A (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1184487B (de) * 1959-01-23 1964-12-31 Hoechst Ag Verfahren und Vorrichtung zum Breithalten von thermoplastischen Kunststoffbahnen beim Laengsrecken

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3126431A (en) * 1964-03-24 harder etal
US2877500A (en) * 1955-06-17 1959-03-17 Grace W R & Co Process for preparing transparent polyethylene
US2928132A (en) * 1957-12-31 1960-03-15 Du Pont Method of producing heat-shrinkable polyethylene terephthalate film
DE1179355B (de) * 1958-01-08 1964-10-08 Bayer Ag Verfahren und Vorrichtung zum Verstrecken von Bahnen aus chmolekularen thermo-plastischen Kunststoffen
US3052917A (en) * 1959-08-10 1962-09-11 Celanese Corp Production of wrinkle-free film
DE1221786B (de) * 1961-12-07 1966-07-28 Brueckner Trocknerbau Inh Gern Vorrichtung zum Recken einer Folienbahn aus thermoplastischem Kunststoff in Laengsrichtung
US3208100A (en) * 1962-10-15 1965-09-28 Bevis Ind Inc Longitudinal web stretching machine
US4476073A (en) * 1982-12-29 1984-10-09 Mobil Oil Corporation Process and system for orienting layered polymer films
US7573637B2 (en) * 2004-08-03 2009-08-11 Seiko Epson Corporation Intrinsic polarizer and method of manufacturing an intrinsic polarizer
US20080083998A1 (en) * 2006-10-06 2008-04-10 3M Innovative Properties Company Multiple draw gap length orientation process
US20080085383A1 (en) * 2006-10-06 2008-04-10 3M Innovative Properties Company Processes for improved optical films

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE470908A (fr) * 1941-12-22
US2335190A (en) * 1942-07-29 1943-11-23 Henry D Minich Stretched laminated product and process for making it
US2547763A (en) * 1947-11-12 1951-04-03 Polaroid Corp Method of stretching continuous materials such as sheeting and the like

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1184487B (de) * 1959-01-23 1964-12-31 Hoechst Ag Verfahren und Vorrichtung zum Breithalten von thermoplastischen Kunststoffbahnen beim Laengsrecken

Also Published As

Publication number Publication date
US2804652A (en) 1957-09-03

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