IT1011353B - Procedimento ed apparecchio per produrre pellicole tubolari di resine sintetiche biassialmente stirate - Google Patents

Procedimento ed apparecchio per produrre pellicole tubolari di resine sintetiche biassialmente stirate

Info

Publication number
IT1011353B
IT1011353B IT5075474A IT5075474A IT1011353B IT 1011353 B IT1011353 B IT 1011353B IT 5075474 A IT5075474 A IT 5075474A IT 5075474 A IT5075474 A IT 5075474A IT 1011353 B IT1011353 B IT 1011353B
Authority
IT
Italy
Prior art keywords
procedure
biaxially stretched
synthetic resins
tubular films
producing tubular
Prior art date
Application number
IT5075474A
Other languages
English (en)
Italian (it)
Original Assignee
Showa Denko Kk
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
Priority claimed from US356782A external-priority patent/US3904342A/en
Application filed by Showa Denko Kk filed Critical Showa Denko Kk
Application granted granted Critical
Publication of IT1011353B publication Critical patent/IT1011353B/it

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)
IT5075474A 1973-05-03 1974-05-02 Procedimento ed apparecchio per produrre pellicole tubolari di resine sintetiche biassialmente stirate IT1011353B (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US356782A US3904342A (en) 1970-04-03 1973-05-03 Apparatus for manufacturing of tubular biaxially stretched film having improved thickness uniformity

Publications (1)

Publication Number Publication Date
IT1011353B true IT1011353B (it) 1977-01-20

Family

ID=23402934

Family Applications (1)

Application Number Title Priority Date Filing Date
IT5075474A IT1011353B (it) 1973-05-03 1974-05-02 Procedimento ed apparecchio per produrre pellicole tubolari di resine sintetiche biassialmente stirate

Country Status (5)

Country Link
BE (1) BE814553A (enrdf_load_stackoverflow)
DE (1) DE2420286A1 (enrdf_load_stackoverflow)
FR (1) FR2227945B1 (enrdf_load_stackoverflow)
GB (1) GB1446138A (enrdf_load_stackoverflow)
IT (1) IT1011353B (enrdf_load_stackoverflow)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2201371A (en) * 1987-01-02 1988-09-01 Windmoeller & Hoelscher Apparatus for producing tubular thermoplastic biaxially oriented film
DE3802146C1 (enrdf_load_stackoverflow) * 1988-01-26 1989-02-23 Battenfeld Extrusionstechnik Gmbh, 4970 Bad Oeynhausen, De
AU610366B2 (en) * 1988-03-31 1991-05-16 Idemitsu Petrochemical Co., Ltd. Method of and apparatus for manufacturing biaxially oriented film
CN103009620B (zh) * 2011-09-20 2017-11-24 上海华义化工科技有限公司 管状薄膜坯管的加热方法及加热装置

Also Published As

Publication number Publication date
BE814553A (fr) 1974-09-02
DE2420286A1 (de) 1974-11-14
FR2227945A1 (enrdf_load_stackoverflow) 1974-11-29
GB1446138A (en) 1976-08-18
FR2227945B1 (enrdf_load_stackoverflow) 1977-10-28

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