GB1437979A - Method and apparatus for continuously varying the cross-section of thermoplastic film webs - Google Patents

Method and apparatus for continuously varying the cross-section of thermoplastic film webs

Info

Publication number
GB1437979A
GB1437979A GB4018473A GB4018473A GB1437979A GB 1437979 A GB1437979 A GB 1437979A GB 4018473 A GB4018473 A GB 4018473A GB 4018473 A GB4018473 A GB 4018473A GB 1437979 A GB1437979 A GB 1437979A
Authority
GB
United Kingdom
Prior art keywords
web
heating
stretching
cross
section
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
GB4018473A
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.)
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 GB1437979A publication Critical patent/GB1437979A/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
    • 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
    • B29C55/10—Shaping by stretching, e.g. drawing through a die; Apparatus therefor of plates or sheets multiaxial
    • B29C55/12—Shaping by stretching, e.g. drawing through a die; Apparatus therefor of plates or sheets multiaxial biaxial
    • 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
    • B29C37/00—Component parts, details, accessories or auxiliary operations, not covered by group B29C33/00 or B29C35/00
    • B29C2037/90—Measuring, controlling or regulating
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Shaping By String And By Release Of Stress In Plastics And The Like (AREA)
GB4018473A 1972-08-28 1973-08-24 Method and apparatus for continuously varying the cross-section of thermoplastic film webs Expired GB1437979A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19722242285 DE2242285A1 (de) 1972-08-28 1972-08-28 Verfahren und vorrichtung zur kontinuierlichen dickenprofilaenderung von thermoplastischen folienbahnen

Publications (1)

Publication Number Publication Date
GB1437979A true GB1437979A (en) 1976-06-03

Family

ID=5854782

Family Applications (1)

Application Number Title Priority Date Filing Date
GB4018473A Expired GB1437979A (en) 1972-08-28 1973-08-24 Method and apparatus for continuously varying the cross-section of thermoplastic film webs

Country Status (8)

Country Link
JP (1) JPS4953962A (de)
BE (1) BE804121A (de)
DE (1) DE2242285A1 (de)
FR (1) FR2197708B1 (de)
GB (1) GB1437979A (de)
IT (1) IT990326B (de)
LU (1) LU68313A1 (de)
NL (1) NL7311376A (de)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6079916A (ja) * 1983-10-11 1985-05-07 Mitsubishi Monsanto Chem Co 熱可塑性樹脂薄板の加熱方法
DE3802146C1 (de) * 1988-01-26 1989-02-23 Battenfeld Extrusionstechnik Gmbh, 4970 Bad Oeynhausen, De
BRPI0520393A2 (pt) * 2005-06-01 2009-05-05 3M Innovative Properties Co aparelho para manipulação de filme e método para controle do perfil de calibre transversal de uma manta de filme polimérico
DE102011085735A1 (de) * 2011-11-03 2013-05-08 Windmöller & Hölscher Kg Reckwerk und Verfahren zum Längen von Folienbahnen
JP2013107225A (ja) * 2011-11-18 2013-06-06 Okura Ind Co Ltd テンター装置
US11442208B2 (en) * 2017-05-17 2022-09-13 Everix, Inc. Ultra-thin, flexible thin-film filters with spatially or temporally varying optical properties and methods of making the same

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1429227A (fr) * 1965-04-13 1966-02-18 Du Pont Procédé pour améliorer l'aptitude à l'enroulement sous forme de rouleaux des pellicules organiques polymères

Also Published As

Publication number Publication date
NL7311376A (de) 1974-03-04
LU68313A1 (de) 1975-05-21
BE804121A (fr) 1974-02-28
IT990326B (it) 1975-06-20
FR2197708B1 (de) 1977-08-05
JPS4953962A (de) 1974-05-25
DE2242285A1 (de) 1974-03-21
FR2197708A1 (de) 1974-03-29

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Legal Events

Date Code Title Description
PS Patent sealed
PCNP Patent ceased through non-payment of renewal fee