GB1206322A - Method and apparatus for the preparation of biaxially oriented film - Google Patents

Method and apparatus for the preparation of biaxially oriented film

Info

Publication number
GB1206322A
GB1206322A GB39397/68A GB3939768A GB1206322A GB 1206322 A GB1206322 A GB 1206322A GB 39397/68 A GB39397/68 A GB 39397/68A GB 3939768 A GB3939768 A GB 3939768A GB 1206322 A GB1206322 A GB 1206322A
Authority
GB
United Kingdom
Prior art keywords
torus
tube
support
film
tori
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
GB39397/68A
Other languages
English (en)
Inventor
Edward Ragner Sederlund
Walter John Schrenk
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.)
Dow Chemical Co
Original Assignee
Dow Chemical 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
Application filed by Dow Chemical Co filed Critical Dow Chemical Co
Publication of GB1206322A publication Critical patent/GB1206322A/en
Expired legal-status Critical Current

Links

Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C55/00Shaping by stretching, e.g. drawing through a die; Apparatus therefor
    • B29C55/02Shaping by stretching, e.g. drawing through a die; Apparatus therefor of plates or sheets
    • B29C55/10Shaping by stretching, e.g. drawing through a die; Apparatus therefor of plates or sheets multiaxial
    • B29C55/12Shaping by stretching, e.g. drawing through a die; Apparatus therefor of plates or sheets multiaxial biaxial
    • B29C55/16Shaping by stretching, e.g. drawing through a die; Apparatus therefor of plates or sheets multiaxial biaxial simultaneously
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B26HAND CUTTING TOOLS; CUTTING; SEVERING
    • B26DCUTTING; DETAILS COMMON TO MACHINES FOR PERFORATING, PUNCHING, CUTTING-OUT, STAMPING-OUT OR SEVERING
    • B26D3/00Cutting work characterised by the nature of the cut made; Apparatus therefor
    • B26D3/001Cutting tubes longitudinally
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C55/00Shaping by stretching, e.g. drawing through a die; Apparatus therefor
    • B29C55/28Shaping by stretching, e.g. drawing through a die; Apparatus therefor of blown tubular films, e.g. by inflation

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Forests & Forestry (AREA)
  • Shaping By String And By Release Of Stress In Plastics And The Like (AREA)
GB39397/68A 1967-08-21 1968-08-16 Method and apparatus for the preparation of biaxially oriented film Expired GB1206322A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US66202867A 1967-08-21 1967-08-21

Publications (1)

Publication Number Publication Date
GB1206322A true GB1206322A (en) 1970-09-23

Family

ID=24656083

Family Applications (1)

Application Number Title Priority Date Filing Date
GB39397/68A Expired GB1206322A (en) 1967-08-21 1968-08-16 Method and apparatus for the preparation of biaxially oriented film

Country Status (5)

Country Link
US (1) US3472924A (https=)
BE (1) BE719709A (https=)
FR (1) FR1578372A (https=)
GB (1) GB1206322A (https=)
NL (1) NL6811094A (https=)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3591895A (en) * 1969-04-11 1971-07-13 Owens Illinois Inc Precision control of plastic sheet manufacture
US4227957A (en) * 1977-02-24 1980-10-14 Pnc Company Process and apparatus for manufacturing a non-woven fabric and the product thereof
JPS5658831A (en) * 1979-10-19 1981-05-22 Polymer Processing Res Inst Biaxial stretching apparatus of tubular film
DE3520914C1 (de) * 1985-06-11 1986-11-27 Windmöller & Hölscher, 4540 Lengerich Flachlege- und Abzugsvorrichtung fuer eine aus Kunststoff im Blasverfahren von einem ortsfest angeordneten Folienblaskopf hergestellte Folienbahn
NL2023460B1 (en) * 2019-07-08 2021-02-02 Callidus Capital B V device and method for processing a conduit
CN116100794B (zh) * 2023-04-04 2023-06-06 青州富翔塑业有限公司 双向拉伸聚酯薄膜成型装置

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2852813A (en) * 1956-03-16 1958-09-23 Dow Chemical Co Method for handling and processing tubular film

Also Published As

Publication number Publication date
FR1578372A (https=) 1969-08-14
BE719709A (https=) 1969-02-20
US3472924A (en) 1969-10-14
NL6811094A (https=) 1969-02-25

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Legal Events

Date Code Title Description
PS Patent sealed [section 19, patents act 1949]
PCNP Patent ceased through non-payment of renewal fee