IT975220B - Dispositivo di raffreddamento di una guaina estrusa di materia plastica - Google Patents

Dispositivo di raffreddamento di una guaina estrusa di materia plastica

Info

Publication number
IT975220B
IT975220B IT70196/72A IT7019672A IT975220B IT 975220 B IT975220 B IT 975220B IT 70196/72 A IT70196/72 A IT 70196/72A IT 7019672 A IT7019672 A IT 7019672A IT 975220 B IT975220 B IT 975220B
Authority
IT
Italy
Prior art keywords
cooling device
plastic sheath
extruded plastic
extruded
sheath
Prior art date
Application number
IT70196/72A
Other languages
English (en)
Original Assignee
Schweizeirische Ind Ges
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 Schweizeirische Ind Ges filed Critical Schweizeirische Ind Ges
Application granted granted Critical
Publication of IT975220B publication Critical patent/IT975220B/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
    • 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
    • B29C48/03—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
    • B29C48/911—Cooling
    • B29C48/9115—Cooling of hollow articles
    • B29C48/912—Cooling of hollow articles of 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
    • B29C48/03—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

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Extrusion Moulding Of Plastics Or The Like (AREA)
  • Shaping By String And By Release Of Stress In Plastics And The Like (AREA)
  • Injection Moulding Of Plastics Or The Like (AREA)
IT70196/72A 1971-10-13 1972-10-11 Dispositivo di raffreddamento di una guaina estrusa di materia plastica IT975220B (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH1495971A CH543373A (fr) 1971-10-13 1971-10-13 Dispositif de refroidissement d'une gaine extrudée en matière plastique

Publications (1)

Publication Number Publication Date
IT975220B true IT975220B (it) 1974-07-20

Family

ID=4405194

Family Applications (1)

Application Number Title Priority Date Filing Date
IT70196/72A IT975220B (it) 1971-10-13 1972-10-11 Dispositivo di raffreddamento di una guaina estrusa di materia plastica

Country Status (7)

Country Link
US (1) US3827842A (it)
JP (1) JPS4847562A (it)
CH (1) CH543373A (it)
DE (1) DE2250586A1 (it)
FR (1) FR2156299B1 (it)
GB (1) GB1391719A (it)
IT (1) IT975220B (it)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
HUP0301174A2 (hu) * 2003-04-30 2005-03-29 Dr-Pack Ii. Kft. Eljárás és berendezés extrudált műanyag fóliatömlők hűtésére
EP3847000A1 (en) * 2018-09-03 2021-07-14 Doteco S.p.A. Cooling ring for film extrusion plants

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2926384A (en) * 1953-10-20 1960-03-01 Celanese Corp Distributor ring
US2770009A (en) * 1954-12-15 1956-11-13 Pont Company Of Canada Ltd Du Tube cooling blower
US3176347A (en) * 1962-11-30 1965-04-06 Phillips Petroleum Co Apparatus for producing thermoplastic tubing
US3548042A (en) * 1966-07-22 1970-12-15 Reynolds Metals Co Method and apparatus for cooling extruded tubing
GB1120075A (en) * 1967-06-26 1968-07-17 Shell Int Research Device and process for cooling an extruded tubular thermoplastic film

Also Published As

Publication number Publication date
US3827842A (en) 1974-08-06
CH543373A (fr) 1973-10-31
FR2156299A1 (it) 1973-05-25
GB1391719A (en) 1975-04-23
JPS4847562A (it) 1973-07-06
DE2250586A1 (de) 1973-04-19
FR2156299B1 (it) 1975-06-13

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