GB1290275A - - Google Patents

Info

Publication number
GB1290275A
GB1290275A GB1290275DA GB1290275A GB 1290275 A GB1290275 A GB 1290275A GB 1290275D A GB1290275D A GB 1290275DA GB 1290275 A GB1290275 A GB 1290275A
Authority
GB
United Kingdom
Prior art keywords
film
zone
heaters
april
inflation
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)
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 filed Critical
Publication of GB1290275A publication Critical patent/GB1290275A/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
    • B29C55/28—Shaping 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)
  • Shaping By String And By Release Of Stress In Plastics And The Like (AREA)
GB1290275D 1970-04-03 1971-04-19 Expired GB1290275A (enrdf_load_stackoverflow)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2786470A JPS5018514B1 (enrdf_load_stackoverflow) 1970-04-03 1970-04-03

Publications (1)

Publication Number Publication Date
GB1290275A true GB1290275A (enrdf_load_stackoverflow) 1972-09-27

Family

ID=12232757

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1290275D Expired GB1290275A (enrdf_load_stackoverflow) 1970-04-03 1971-04-19

Country Status (5)

Country Link
JP (1) JPS5018514B1 (enrdf_load_stackoverflow)
CA (1) CA944911A (enrdf_load_stackoverflow)
DE (1) DE2116061C3 (enrdf_load_stackoverflow)
FR (1) FR2085837B1 (enrdf_load_stackoverflow)
GB (1) GB1290275A (enrdf_load_stackoverflow)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5586718A (en) * 1978-12-25 1980-06-30 Chisso Eng Kk Manufacturing device for tubular biaxial stretching film
EP0142948A3 (en) * 1983-10-24 1985-10-09 Teijin Limited Production of thin-walled cylindrical body of aromatic polyester

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL260970A (enrdf_load_stackoverflow) * 1960-02-08 1900-01-01
NL281373A (enrdf_load_stackoverflow) * 1961-07-28
GB1092948A (en) * 1963-12-21 1967-11-29 Seikisui Chemical Co Ltd Improvements in the stretching of tubular film
GB1107354A (en) * 1965-05-04 1968-03-27 Bakelite Xylonite Ltd Improvements in and relating to biaxially oriented film
CH470955A (de) * 1968-03-01 1969-04-15 Lonza Ag Verfahren zur Herstellung von biaxial orientierten Schlauchfolien
GB1282062A (en) * 1969-03-08 1972-07-19 Showa Denko Kk A method and apparatus for manufacturing a biaxially oriented cylindrical film

Also Published As

Publication number Publication date
DE2116061B2 (de) 1981-05-07
DE2116061A1 (de) 1971-10-21
CA944911A (en) 1974-04-09
JPS5018514B1 (enrdf_load_stackoverflow) 1975-06-30
DE2116061C3 (de) 1982-01-14
FR2085837A1 (enrdf_load_stackoverflow) 1971-12-31
FR2085837B1 (enrdf_load_stackoverflow) 1974-02-15

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Legal Events

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