IT1288267B1 - Dispositivo per il riscaldamento dei settori di un tubolare in foglia estruso da una testa di soffiatura. - Google Patents

Dispositivo per il riscaldamento dei settori di un tubolare in foglia estruso da una testa di soffiatura.

Info

Publication number
IT1288267B1
IT1288267B1 IT96BZ000043A ITBZ960043A IT1288267B1 IT 1288267 B1 IT1288267 B1 IT 1288267B1 IT 96BZ000043 A IT96BZ000043 A IT 96BZ000043A IT BZ960043 A ITBZ960043 A IT BZ960043A IT 1288267 B1 IT1288267 B1 IT 1288267B1
Authority
IT
Italy
Application number
IT96BZ000043A
Other languages
Italian (it)
Inventor
Werner Feistkorn
Klemens Sensen
Ansgar Avermeyer
Original Assignee
Windmoeller & Hoelscher
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 Windmoeller & Hoelscher filed Critical Windmoeller & Hoelscher
Publication of ITBZ960043A1 publication Critical patent/ITBZ960043A1/en
Application granted granted Critical
Publication of IT1288267B1 publication Critical patent/IT1288267B1/it

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29B—PREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
    • B29B13/00—Conditioning or physical treatment of the material to be shaped
    • B29B13/08—Conditioning or physical treatment of the material to be shaped by using wave energy or particle radiation
    • 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
    • B29C48/07—Flat, e.g. panels
    • B29C48/08—Flat, e.g. panels flexible, e.g. 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
    • B29C48/78—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
    • 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
    • B29C48/865—Heating
    • 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
    • B29C48/91—Heating, e.g. for cross linking
    • 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
    • B29C48/91—Heating, e.g. for cross linking
    • B29C48/9105—Heating, e.g. for cross linking of hollow 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
    • B29C48/92—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
    • B29C2948/92504—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
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Toxicology (AREA)
  • Extrusion Moulding Of Plastics Or The Like (AREA)
  • Shaping By String And By Release Of Stress In Plastics And The Like (AREA)
  • Processing And Handling Of Plastics And Other Materials For Molding In General (AREA)
IT96BZ000043A 1995-11-06 1996-10-03 Dispositivo per il riscaldamento dei settori di un tubolare in foglia estruso da una testa di soffiatura. IT1288267B1 (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19541296A DE19541296C2 (en) 1995-11-06 1995-11-06 Device for heating the film sectors of a film tube extruded from a film blowing head

Publications (2)

Publication Number Publication Date
ITBZ960043A1 ITBZ960043A1 (en) 1998-04-03
IT1288267B1 true IT1288267B1 (it) 1998-09-11

Family

ID=7776736

Family Applications (1)

Application Number Title Priority Date Filing Date
IT96BZ000043A IT1288267B1 (it) 1995-11-06 1996-10-03 Dispositivo per il riscaldamento dei settori di un tubolare in foglia estruso da una testa di soffiatura.

Country Status (5)

Country Link
AT (1) AT407854B (en)
DE (1) DE19541296C2 (en)
FR (1) FR2740722B1 (en)
GB (1) GB2307881B (en)
IT (1) IT1288267B1 (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19725810B4 (en) * 1997-06-18 2005-07-07 Helmut Knorr Nozzle for dispensing liquefied plastic under pressure
DE102010007658A1 (en) * 2010-02-10 2012-05-10 Case Tech Gmbh Method for drying tubular casings by microwaves

Family Cites Families (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4112034A (en) * 1977-05-05 1978-09-05 General Electric Company Biaxial film process and rotary apparatus therefor
DD134052A1 (en) * 1977-12-08 1979-02-07 Jens Haupt ARRANGEMENT FOR THE VISCOSITIZATION LIGHTING OF PLASMA FILMS BY ULTRASOUND
DE2947293C2 (en) * 1979-11-23 1983-09-15 Windmöller & Hölscher, 4540 Lengerich Process for regulating the film thickness on a blown film extruder
DE2950003C2 (en) * 1979-12-12 1983-08-11 Windmöller & Hölscher, 4540 Lengerich Process for regulating the film thickness on a blown film extruder
DE3002903C2 (en) * 1980-01-28 1986-12-04 Windmöller & Hölscher, 4540 Lengerich Method for controlling the film thickness on a blown film extruder
DE3014989C2 (en) * 1980-04-18 1991-01-24 Windmöller & Hölscher, 4540 Lengerich Method for controlling the film thickness on a blown film extruder
US4373273A (en) * 1981-04-13 1983-02-15 Gloucester Engineering Co., Inc. Air ring having a circular array of a large multiplicity of substantially parallel cell-like passages in the air flow path leading to the outlet
US4377540A (en) * 1981-08-24 1983-03-22 Gloucester Engineering Co., Inc. Control of tubular film size
DE3518155A1 (en) * 1985-05-21 1986-11-27 Reifenhäuser GmbH & Co Maschinenfabrik, 5210 Troisdorf METHOD FOR PRODUCING A PLASTIC FILM WITH A LOW THICKNESS TOLERANCE
JPS62222827A (en) * 1986-03-25 1987-09-30 Micro Denshi Kk Thermal crosslink apparatus by extrusion molding machine for polymer material
DE3769480D1 (en) * 1986-01-16 1991-05-29 Micro Denshi Co Ltd MICROWAVE HEATING DEVICE.
CH672092A5 (en) * 1987-03-31 1989-10-31 Oco Ag Extending flow of injection mould shot - by energising ultrasonic sonotrode at right angles to flow path at area where flow of shot normally ceases
US4882104A (en) * 1987-04-03 1989-11-21 Cincinnati Milacron, Inc. Method of controlling the thickness of an extruded plastic article
DE3802146C1 (en) * 1988-01-26 1989-02-23 Battenfeld Extrusionstechnik Gmbh, 4970 Bad Oeynhausen, De
DE68907907T2 (en) * 1989-10-17 1993-11-11 Tomi Machinery Mfg Co Ltd Synthetic resin film, method and device for making the film thickness uniform during molding.
DE3936239A1 (en) * 1989-10-31 1991-05-02 Windmoeller & Hoelscher RING NOZZLE FOR EXTRESS PRESSES, PREFERABLY FILM BLOW HEAD
DE4236443B4 (en) * 1992-10-28 2005-02-24 Windmöller & Hölscher Kg Method for controlling the temperature of a film blowing head for the production of plastic tubular films
FR2701886B1 (en) * 1993-02-22 1995-06-02 Hutchinson Method for facilitating the flow of an elastomeric material through a tool, implementation system and machine equipped with such a system.

Also Published As

Publication number Publication date
DE19541296A1 (en) 1997-05-07
GB9621672D0 (en) 1996-12-11
DE19541296C2 (en) 1999-07-01
AT407854B (en) 2001-07-25
FR2740722A1 (en) 1997-05-09
ITBZ960043A1 (en) 1998-04-03
ATA156396A (en) 2000-11-15
FR2740722B1 (en) 2000-05-19
GB2307881A (en) 1997-06-11
GB2307881B (en) 1999-04-28

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0001 Granted