GB1157245A - Process for the Manufacture of Tubular Polyethylene Films - Google Patents

Process for the Manufacture of Tubular Polyethylene Films

Info

Publication number
GB1157245A
GB1157245A GB16882/68A GB1688268A GB1157245A GB 1157245 A GB1157245 A GB 1157245A GB 16882/68 A GB16882/68 A GB 16882/68A GB 1688268 A GB1688268 A GB 1688268A GB 1157245 A GB1157245 A GB 1157245A
Authority
GB
United Kingdom
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
GB16882/68A
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 GB1157245A publication Critical patent/GB1157245A/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
    • 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)
GB16882/68A 1967-04-20 1968-04-08 Process for the Manufacture of Tubular Polyethylene Films Expired GB1157245A (en)

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
GB1157245A true GB1157245A (en) 1969-07-02

Family

ID=3554502

Family Applications (1)

Application Number Title Priority Date Filing Date
GB16882/68A Expired GB1157245A (en) 1967-04-20 1968-04-08 Process for the Manufacture of Tubular Polyethylene Films

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)

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2549415A1 (fr) * 1983-07-18 1985-01-25 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
EP0210108A2 (en) * 1985-07-19 1987-01-28 TERUMO KABUSHIKI KAISHA trading as TERUMO CORPORATION Method for production of cylindrical thermoplastic resin film having rough inner surface and apparatus thereof
FR2637533A1 (fr) * 1988-10-10 1990-04-13 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
US5096647A (en) * 1989-04-29 1992-03-17 Rehau Ag & Co. Method for extruding a plastic member with a roughened surface
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

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3536118A1 (de) * 1984-12-24 1986-06-26 Dynamit Nobel Ag, 5210 Troisdorf Verfahren zur herstellung von folien, insbesondere auf der basis von polyvinylbutyral mit geringer oberflaechenklebrigkeit
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
DE8805187U1 (de) * 1988-04-19 1989-08-17 Elastonwerk Bayern Gmbh, 84478 Waldkraiburg Geprägte Polyethylenfolie

Cited By (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2549415A1 (fr) * 1983-07-18 1985-01-25 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
EP0210108A2 (en) * 1985-07-19 1987-01-28 TERUMO KABUSHIKI KAISHA trading as TERUMO CORPORATION Method for production of cylindrical thermoplastic resin film having rough inner surface and apparatus thereof
EP0210108A3 (en) * 1985-07-19 1988-04-06 Terumo Kabushiki Kaisha Trading As Terumo Corporation Method for production of cylindrical thermoplastic resin film having rough inner surface and apparatus thereof
AU579940B2 (en) * 1985-07-19 1988-12-15 Terumo Kabushiki Kaisha Method for production of cylindrical thermoplastic resin film having rough inner surface and apparatus thereof
FR2637533A1 (fr) * 1988-10-10 1990-04-13 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
EP0364021A1 (fr) * 1988-10-10 1990-04-18 Solvay Procédé pour réaliser, par extrusion soufflée, une gaine en résine à base de chlorure de vinyle dont au moins une face présente un aspect mat
US4997616A (en) * 1988-10-10 1991-03-05 Solvay & Cie Process for producing, by blown film extrusion, a sleeve of vinyl chloride-based resin, at least one face of which is matte in appearance
US5096647A (en) * 1989-04-29 1992-03-17 Rehau Ag & Co. Method for extruding a plastic member with a roughened surface
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
FR1569101A (es) 1969-05-30
CH467665A (de) 1969-01-31
BE713950A (es) 1968-10-21
NL6805557A (es) 1968-10-21
ES352526A1 (es) 1969-10-01
AT292293B (de) 1971-08-25

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Legal Events

Date Code Title Description
PS Patent sealed [section 19, patents act 1949]
PLNP Patent lapsed through nonpayment of renewal fees