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GB2094221B - Foil stretching apparatus - Google Patents

Foil stretching apparatus

Info

Publication number
GB2094221B
GB2094221B GB8205659A GB8205659A GB2094221B GB 2094221 B GB2094221 B GB 2094221B GB 8205659 A GB8205659 A GB 8205659A GB 8205659 A GB8205659 A GB 8205659A GB 2094221 B GB2094221 B GB 2094221B
Authority
GB
United Kingdom
Prior art keywords
stretching apparatus
foil stretching
foil
stretching
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
GB8205659A
Other versions
GB2094221A (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.)
Lindauer Dornier GmbH
Original Assignee
Lindauer Dornier GmbH
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 Lindauer Dornier GmbH filed Critical Lindauer Dornier GmbH
Publication of GB2094221A publication Critical patent/GB2094221A/en
Application granted granted Critical
Publication of GB2094221B publication Critical patent/GB2094221B/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
    • B29C55/10—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
    • B29C55/16—Shaping by stretching, e.g. drawing through a die; Apparatus therefor of plates or sheets multiaxial biaxial simultaneously
    • B29C55/165—Apparatus therefor
    • 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
    • B29C55/20—Edge clamps

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Advancing Webs (AREA)
  • Shaping By String And By Release Of Stress In Plastics And The Like (AREA)
GB8205659A 1981-03-04 1982-02-26 Foil stretching apparatus Expired GB2094221B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE3108143 1981-03-04

Publications (2)

Publication Number Publication Date
GB2094221A GB2094221A (en) 1982-09-15
GB2094221B true GB2094221B (en) 1984-06-27

Family

ID=6126307

Family Applications (1)

Application Number Title Priority Date Filing Date
GB8205659A Expired GB2094221B (en) 1981-03-04 1982-02-26 Foil stretching apparatus

Country Status (3)

Country Link
FR (1) FR2501107A1 (en)
GB (1) GB2094221B (en)
IT (1) IT1172865B (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6965474B2 (en) 2003-02-12 2005-11-15 3M Innovative Properties Company Polymeric optical film
US7110072B2 (en) 2003-02-12 2006-09-19 3M Innovative Properties Company Compensators for liquid crystal displays
US7132065B2 (en) 2003-02-12 2006-11-07 3M Innovative Properties Company Process for manufacturing polymeric optical film

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6358457B1 (en) * 1998-11-13 2002-03-19 3M Innovative Properties Company Method of stretching films according to an overbias or overstretch profile
US6303067B1 (en) 1998-11-13 2001-10-16 3M Innovative Properties Company Method of stretching films according to an overbias or overstretch stretch profile

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1108168B (en) * 1959-07-31 1961-06-08 Kampf Maschf Erwin Clip for tensioning webs of material, in particular plastic films
DE1259558B (en) * 1962-07-28 1968-01-25 Dornier Gmbh Lindauer Device for the simultaneous biaxial stretching of plastic film webs
DE1629562B2 (en) * 1965-01-28 1972-07-06 Unitika K.K., Amagasaki, Hyogo (Japan) PROCESS FOR BIAXIAL RACKING OF POLYAMIDE SHEETS
FR2147876B1 (en) * 1971-08-05 1974-03-29 Cellophane Sa
DE2841510C2 (en) * 1978-09-23 1980-06-12 Lindauer Dornier-Gesellschaft Mbh, 8990 Lindau Device for producing a biaxially stretched film web

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6965474B2 (en) 2003-02-12 2005-11-15 3M Innovative Properties Company Polymeric optical film
US7099083B2 (en) 2003-02-12 2006-08-29 3M Innovative Properties Company Polymeric optical film
US7110072B2 (en) 2003-02-12 2006-09-19 3M Innovative Properties Company Compensators for liquid crystal displays
US7132065B2 (en) 2003-02-12 2006-11-07 3M Innovative Properties Company Process for manufacturing polymeric optical film
US7405784B2 (en) 2003-02-12 2008-07-29 3M Innovative Properties Company Compensators for liquid crystal displays with biaxially stretched single film with crystallization modifier

Also Published As

Publication number Publication date
IT1172865B (en) 1987-06-18
IT8168677A0 (en) 1981-12-23
FR2501107A1 (en) 1982-09-10
GB2094221A (en) 1982-09-15

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Legal Events

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