DE3743720C2 - - Google Patents

Info

Publication number
DE3743720C2
DE3743720C2 DE3743720A DE3743720A DE3743720C2 DE 3743720 C2 DE3743720 C2 DE 3743720C2 DE 3743720 A DE3743720 A DE 3743720A DE 3743720 A DE3743720 A DE 3743720A DE 3743720 C2 DE3743720 C2 DE 3743720C2
Authority
DE
Germany
Prior art keywords
cooling ring
film
cooling
throughput
measuring device
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 - Lifetime
Application number
DE3743720A
Other languages
German (de)
English (en)
Other versions
DE3743720A1 (de
Inventor
Veit-Holger Dr.-Ing. 8700 Wuerzburg De Karl
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Priority to DE3745138A priority Critical patent/DE3745138C2/de
Priority to DE19873743720 priority patent/DE3743720A1/de
Publication of DE3743720A1 publication Critical patent/DE3743720A1/de
Application granted granted Critical
Publication of DE3743720C2 publication Critical patent/DE3743720C2/de
Granted 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
    • B29C48/88—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
    • B29C48/25—Component parts, details or accessories; Auxiliary operations
    • B29C48/92—Measuring, controlling or regulating
    • 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
    • B29C2948/00—Indexing scheme relating to extrusion moulding
    • B29C2948/92—Measuring, controlling or regulating
    • B29C2948/92009—Measured parameter
    • B29C2948/92114—Dimensions
    • B29C2948/92152—Thickness
    • 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
    • B29C2948/00—Indexing scheme relating to extrusion moulding
    • B29C2948/92—Measuring, controlling or regulating
    • B29C2948/92504—Controlled parameter
    • B29C2948/9258—Velocity
    • B29C2948/926—Flow or feed rate
    • 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
    • B29C2948/00—Indexing scheme relating to extrusion moulding
    • B29C2948/92—Measuring, controlling or regulating
    • B29C2948/92504—Controlled parameter
    • B29C2948/92609—Dimensions
    • B29C2948/92647—Thickness
    • 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
    • B29C2948/00—Indexing scheme relating to extrusion moulding
    • B29C2948/92—Measuring, controlling or regulating
    • B29C2948/92504—Controlled parameter
    • B29C2948/92704—Temperature
    • 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
    • B29C2948/00—Indexing scheme relating to extrusion moulding
    • B29C2948/92—Measuring, controlling or regulating
    • B29C2948/92819—Location or phase of control
    • B29C2948/92923—Calibration, after-treatment or cooling zone

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)
DE19873743720 1987-12-23 1987-12-23 Folienblasanlage zur herstellung von kunststoffolien Granted DE3743720A1 (de)

Priority Applications (2)

Application Number Priority Date Filing Date Title
DE3745138A DE3745138C2 (de) 1987-12-23 1987-12-23 Folienblasanlage zur Herstellung von Kunststoffolien
DE19873743720 DE3743720A1 (de) 1987-12-23 1987-12-23 Folienblasanlage zur herstellung von kunststoffolien

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19873743720 DE3743720A1 (de) 1987-12-23 1987-12-23 Folienblasanlage zur herstellung von kunststoffolien

Publications (2)

Publication Number Publication Date
DE3743720A1 DE3743720A1 (de) 1989-09-21
DE3743720C2 true DE3743720C2 (enrdf_load_stackoverflow) 1990-12-20

Family

ID=6343367

Family Applications (2)

Application Number Title Priority Date Filing Date
DE19873743720 Granted DE3743720A1 (de) 1987-12-23 1987-12-23 Folienblasanlage zur herstellung von kunststoffolien
DE3745138A Expired - Fee Related DE3745138C2 (de) 1987-12-23 1987-12-23 Folienblasanlage zur Herstellung von Kunststoffolien

Family Applications After (1)

Application Number Title Priority Date Filing Date
DE3745138A Expired - Fee Related DE3745138C2 (de) 1987-12-23 1987-12-23 Folienblasanlage zur Herstellung von Kunststoffolien

Country Status (1)

Country Link
DE (2) DE3743720A1 (enrdf_load_stackoverflow)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4115353A1 (de) * 1991-05-10 1992-11-12 Karl Veit Holger Dr Ing Folienblasanlage zur herstellung von kunststoffolien
EP1377796B2 (en) † 2001-03-15 2019-02-27 Addex, Inc. External thickness control of blown film

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3920194A1 (de) * 1989-06-21 1991-01-10 Konermann Stefan Verfahren und vorrichtung zur feinkorrektur des dickenprofils einer folienblase bei der blasfolienherstellung
DE9108417U1 (de) * 1991-07-08 1991-08-29 Konermann, Stefan, 4540 Lengerich Vorrichtung zur Steuerung oder Regelung des Querprofils bei der Blasfolienherstellung
DE4207439B4 (de) * 1991-12-12 2004-05-06 Windmöller & Hölscher Kg Folienblaskopf zur Herstellung von Schlauchfolien aus thermoplastischem Kunststoff
ES2074741T3 (es) * 1992-01-27 1995-09-16 Hosokawa Alpine Ag Aparato para la fabricacion de peliculas tubulares.
JP5634630B1 (ja) 2014-04-14 2014-12-03 株式会社湘南貿易 偏肉調整型エアーリング
DE102015112233B4 (de) 2015-07-27 2021-12-09 Granula Polymer Gmbh Verfahren zur Herstellung von Folien und Membranen umfassend hyperverzweigte Copolymere auf Basis von Oxetan, Folien und Membranen, die nach diesem Verfahren erhalten werden, sowie deren Verwendung

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
DE6916837U (de) * 1969-04-25 1969-08-28 Gloucester Eng Co Inc Ringfoermige luftduese zum kuehlen eines extrudierten kunststoffschlauches
US3835209A (en) * 1971-11-09 1974-09-10 Owens Illinois Inc Process of extruding a foamed extrudate and controlling the thickness thereof
DE2658518C2 (de) * 1976-12-23 1983-04-28 Reifenhäuser KG, 5210 Troisdorf Anlage zur Herstellung von Blasfolien aus thermoplastischem Kunststoff
US4443400A (en) * 1982-08-11 1984-04-17 Mobil Oil Corporation Method and apparatus for the formation of profiled thermoplastic film

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4115353A1 (de) * 1991-05-10 1992-11-12 Karl Veit Holger Dr Ing Folienblasanlage zur herstellung von kunststoffolien
DE4115353C3 (de) * 1991-05-10 1998-04-09 Karl Veit Holger Prof Dr Ing Folienblasanlage zur Herstellung von Kunststoffolien
EP1377796B2 (en) † 2001-03-15 2019-02-27 Addex, Inc. External thickness control of blown film

Also Published As

Publication number Publication date
DE3745138C2 (de) 1997-08-21
DE3743720A1 (de) 1989-09-21

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