ZA817888B - Air ring lip extension for blowing film from olefin resins - Google Patents

Air ring lip extension for blowing film from olefin resins

Info

Publication number
ZA817888B
ZA817888B ZA817888A ZA817888A ZA817888B ZA 817888 B ZA817888 B ZA 817888B ZA 817888 A ZA817888 A ZA 817888A ZA 817888 A ZA817888 A ZA 817888A ZA 817888 B ZA817888 B ZA 817888B
Authority
ZA
South Africa
Prior art keywords
air ring
olefin resins
ring lip
lip extension
blowing film
Prior art date
Application number
ZA817888A
Other languages
English (en)
Inventor
David Nunn Jones
Original Assignee
Union Carbide Corp
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 Union Carbide Corp filed Critical Union Carbide Corp
Publication of ZA817888B publication Critical patent/ZA817888B/xx

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
    • B29C49/00—Blow-moulding, i.e. blowing a preform or parison to a desired shape within a mould; Apparatus therefor
    • B29C49/02—Combined blow-moulding and manufacture of the preform or the parison
    • B29C49/04—Extrusion blow-moulding
    • 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
    • B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/001—Combinations of extrusion moulding with other shaping operations
    • B29C48/0018—Combinations of extrusion moulding with other shaping operations combined with shaping by orienting, stretching or shrinking, e.g. film blowing
    • 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
    • B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/03—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor characterised by the shape of the extruded material at extrusion
    • B29C48/09—Articles with cross-sections having partially or fully enclosed cavities, e.g. pipes or channels
    • B29C48/10—Articles with cross-sections having partially or fully enclosed cavities, e.g. pipes or channels flexible, e.g. blown foils
    • 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
    • B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/25—Component parts, details or accessories; Auxiliary operations
    • B29C48/88—Thermal treatment of the stream of extruded material, e.g. cooling
    • B29C48/885—External treatment, e.g. by using air rings for cooling tubular films
    • 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
    • B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/25—Component parts, details or accessories; Auxiliary operations
    • B29C48/88—Thermal treatment of the stream of extruded material, e.g. cooling
    • B29C48/911—Cooling
    • B29C48/9115—Cooling of hollow articles
    • B29C48/912—Cooling of hollow articles of tubular films

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Manufacturing & Machinery (AREA)
  • Shaping By String And By Release Of Stress In Plastics And The Like (AREA)
  • Extrusion Moulding Of Plastics Or The Like (AREA)
ZA817888A 1980-11-26 1981-11-13 Air ring lip extension for blowing film from olefin resins ZA817888B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US21073480A 1980-11-26 1980-11-26

Publications (1)

Publication Number Publication Date
ZA817888B true ZA817888B (en) 1982-10-27

Family

ID=22784068

Family Applications (1)

Application Number Title Priority Date Filing Date
ZA817888A ZA817888B (en) 1980-11-26 1981-11-13 Air ring lip extension for blowing film from olefin resins

Country Status (8)

Country Link
EP (1) EP0052886A1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
JP (1) JPS57116613A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
KR (1) KR830007258A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
AU (1) AU7777281A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
BR (1) BR8107593A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
ES (1) ES507428A0 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
IN (1) IN154253B (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
ZA (1) ZA817888B (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN118528531B (zh) * 2024-07-26 2024-09-24 安徽华驰环保科技有限公司 一种可生物降解塑料薄膜用吹膜机及其生产工艺

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2461976A (en) * 1945-10-20 1949-02-15 Visking Corp Method of making flattened thermoplastic tubing of predetermined desired characteristics
US3210803A (en) * 1963-11-12 1965-10-12 Poly Plastic Products Inc Plastic tubing extrusion die air ring
DE2051041A1 (de) * 1970-10-17 1972-07-20 Bischof & Klein Vorrichtung zum Extrudieren von Kunststoffolien
DE2445545A1 (de) * 1974-09-24 1976-04-01 Windmoeller & Hoelscher Folienblaskopf fuer die herstellung von schlauchfolien
FR2370568A1 (fr) * 1976-11-10 1978-06-09 Ato Emballage Procede de refroidissement de films tubulaires extrudes et dispositif en vue de sa mise en oeuvre
DE2836808A1 (de) * 1978-08-23 1980-03-06 Demag Kunststofftech Blaskopf zur herstellung von schlauchfolien im extrusionsverfahren

Also Published As

Publication number Publication date
BR8107593A (pt) 1982-08-17
AU7777281A (en) 1982-06-03
ES8207034A1 (es) 1982-09-01
IN154253B (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 1984-10-13
ES507428A0 (es) 1982-09-01
KR830007258A (ko) 1983-10-19
JPS57116613A (en) 1982-07-20
EP0052886A1 (en) 1982-06-02

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