CH467665A - Process for the production of tubular films made of polyethylene - Google Patents

Process for the production of tubular films made of polyethylene

Info

Publication number
CH467665A
CH467665A CH447068A CH447068A CH467665A CH 467665 A CH467665 A CH 467665A CH 447068 A CH447068 A CH 447068A CH 447068 A CH447068 A CH 447068A CH 467665 A CH467665 A CH 467665A
Authority
CH
Switzerland
Prior art keywords
polyethylene
production
films made
tubular films
tubular
Prior art date
Application number
CH447068A
Other languages
German (de)
Inventor
Helmut Dipl Ing Haltrich
Helmut Dipl Ing Hennetmayr
Original Assignee
Chemie Linz 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 filed Critical Chemie Linz Ag
Publication of CH467665A publication Critical patent/CH467665A/en

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)
CH447068A 1967-04-20 1968-03-26 Process for the production of tubular films made of polyethylene CH467665A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
AT372367A AT292293B (en) 1967-04-20 1967-04-20 Process for the production of tubular films

Publications (1)

Publication Number Publication Date
CH467665A true CH467665A (en) 1969-01-31

Family

ID=3554502

Family Applications (1)

Application Number Title Priority Date Filing Date
CH447068A CH467665A (en) 1967-04-20 1968-03-26 Process for the production of tubular films made of polyethylene

Country Status (7)

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

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2549415B1 (en) * 1983-07-18 1985-10-11 Applic Plastiques Ste Bour PROCESS FOR MOLDING A HOLLOW BODY SUCH AS A SAILBOARD COMPRISING A THERMOPLASTIC MATERIAL AND A CELLULAR PLASTIC MATERIAL FILLING
ATE42712T1 (en) * 1984-12-24 1989-05-15 Huels Troisdorf PROCESS FOR THE MANUFACTURE OF FILMS, PARTICULARLY BASED ON POLYVINYL BUTYRAL WITH LOW SURFACE STICKNESS.
DE3504997A1 (en) * 1985-02-14 1986-08-14 Wolfgang Dipl.-Chem. Dr. 5210 Troisdorf Jensch METHOD FOR REMOVING THE SURFACE TICKNESS OF SOFTENER-CONTAINING POLYVINYLBUTYRAL FILMS BY THE EXTRUSION METHOD
JPS6219431A (en) * 1985-07-19 1987-01-28 Terumo Corp Manufacture of annular thermoplastic resin film with roughened inner surface and device thereof
DE3813061A1 (en) * 1988-04-19 1989-11-09 Elastonwerk Bayern Gmbh PRODUCTION OF STRUCTURED FILMS SUITABLE FOR DECORATIVE PURPOSES
FR2637533B1 (en) * 1988-10-10 1990-12-07 Solvay PROCESS FOR PRODUCING, BY BLOWN EXTRUSION, A RESIN SHEATH BASED ON VINYL CHLORIDE HAVING AT LEAST ONE SIDE HAVING A MATTE APPEARANCE
DE4016626A1 (en) * 1989-04-29 1990-10-31 Rehau Ag & Co METHOD FOR PRODUCING PROFILES
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 (en) * 2020-04-30 2020-08-07 吉林中财管道有限公司 High-speed extrusion die for PVC-U double-wall spiral noise reduction pipe

Also Published As

Publication number Publication date
BE713950A (en) 1968-10-21
NL6805557A (en) 1968-10-21
ES352526A1 (en) 1969-10-01
GB1157245A (en) 1969-07-02
AT292293B (en) 1971-08-25
FR1569101A (en) 1969-05-30

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