ES352526A1 - Procedimiento para la fabricacion de cintas tubulares de polietileno con superficie aspera. - Google Patents

Procedimiento para la fabricacion de cintas tubulares de polietileno con superficie aspera.

Info

Publication number
ES352526A1
ES352526A1 ES352526A ES352526A ES352526A1 ES 352526 A1 ES352526 A1 ES 352526A1 ES 352526 A ES352526 A ES 352526A ES 352526 A ES352526 A ES 352526A ES 352526 A1 ES352526 A1 ES 352526A1
Authority
ES
Spain
Prior art keywords
molten polymer
annular gap
die
blowing head
cooled
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
ES352526A
Other languages
English (en)
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.)
Osterreichische Stickstoffwerke AG
Patheon Austria GmbH and Co KG
Original Assignee
Chemie Linz AG
Osterreichische Stickstoffwerke AG
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 Chemie Linz AG, Osterreichische Stickstoffwerke AG filed Critical Chemie Linz AG
Publication of ES352526A1 publication Critical patent/ES352526A1/es
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
    • 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
    • B29C48/78—Thermal treatment of the extrusion moulding material or of preformed parts or layers, e.g. by heating or cooling
    • B29C48/86—Thermal treatment of the extrusion moulding material or of preformed parts or layers, e.g. by heating or cooling at the nozzle zone
    • B29C48/87—Cooling
    • 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
    • B29C48/30—Extrusion nozzles or dies
    • B29C48/32—Extrusion nozzles or dies with annular openings, e.g. for forming tubular articles
    • 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
    • B29C48/78—Thermal treatment of the extrusion moulding material or of preformed parts or layers, e.g. by heating or cooling
    • B29C48/86—Thermal treatment of the extrusion moulding material or of preformed parts or layers, e.g. by heating or cooling at the nozzle zone
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29K—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR MOULDS, REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS
    • B29K2995/00—Properties of moulding materials, reinforcements, fillers, preformed parts or moulds
    • B29K2995/0037—Other properties
    • B29K2995/0072—Roughness, e.g. anti-slip

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Manufacturing & Machinery (AREA)
  • Extrusion Moulding Of Plastics Or The Like (AREA)
  • Shaping By String And By Release Of Stress In Plastics And The Like (AREA)
ES352526A 1967-04-20 1968-04-08 Procedimiento para la fabricacion de cintas tubulares de polietileno con superficie aspera. Expired ES352526A1 (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
AT372367A AT292293B (de) 1967-04-20 1967-04-20 Verfahren zur Herstellung von Schlauchfolien

Publications (1)

Publication Number Publication Date
ES352526A1 true ES352526A1 (es) 1969-10-01

Family

ID=3554502

Family Applications (1)

Application Number Title Priority Date Filing Date
ES352526A Expired ES352526A1 (es) 1967-04-20 1968-04-08 Procedimiento para la fabricacion de cintas tubulares de polietileno con superficie aspera.

Country Status (7)

Country Link
AT (1) AT292293B (es)
BE (1) BE713950A (es)
CH (1) CH467665A (es)
ES (1) ES352526A1 (es)
FR (1) FR1569101A (es)
GB (1) GB1157245A (es)
NL (1) NL6805557A (es)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2549415B1 (fr) * 1983-07-18 1985-10-11 Applic Plastiques Ste Bour Procede pour mouler un corps creux tel qu'une planche a voile comportant une enveloppe en matiere thermoplastique et un remplissage en matiere plastique cellulaire
EP0185863B1 (de) * 1984-12-24 1989-05-03 Hüls Troisdorf Aktiengesellschaft Verfahren zur Herstellung von Folien, insbesondere auf der Basis von Polyvinylbutyral mit geringer Oberflächenklebrigkeit
DE3504997A1 (de) * 1985-02-14 1986-08-14 Wolfgang Dipl.-Chem. Dr. 5210 Troisdorf Jensch Verfahren zur beseitigung der oberflaechenklebrigkeit weichmacherhaltiger polyvinylbutyralfolien nach der extrusionsmethode
JPS6219431A (ja) * 1985-07-19 1987-01-28 Terumo Corp 内面を粗面とした環状の熱可塑性樹脂フイルムの製造方法およびその装置
DE3813061A1 (de) * 1988-04-19 1989-11-09 Elastonwerk Bayern Gmbh Herstellung von zu dekorativen zwecken geeigneten, strukturierten folien
FR2637533B1 (fr) * 1988-10-10 1990-12-07 Solvay Procede pour realiser, par extrusion soufflee, une gaine en resine a base de chlorure de vinyle dont au moins une face presente un aspect mat
DE4016626A1 (de) * 1989-04-29 1990-10-31 Rehau Ag & Co Verfahren zur herstellung von profilen
US5248472A (en) * 1990-03-09 1993-09-28 Terumo Kabushiki Kaisha Method of and apparatus for manufacturing tubular thermoplastic resin film having a rough inner surface
CN111497185A (zh) * 2020-04-30 2020-08-07 吉林中财管道有限公司 一种pvc-u双壁螺旋消音管用高速挤出模具

Also Published As

Publication number Publication date
GB1157245A (en) 1969-07-02
FR1569101A (es) 1969-05-30
BE713950A (es) 1968-10-21
CH467665A (de) 1969-01-31
NL6805557A (es) 1968-10-21
AT292293B (de) 1971-08-25

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