IT8504834A0 - Testa soffiante di foglie per la realizzazione di foglie tubolari. - Google Patents

Testa soffiante di foglie per la realizzazione di foglie tubolari.

Info

Publication number
IT8504834A0
IT8504834A0 IT8504834A IT483485A IT8504834A0 IT 8504834 A0 IT8504834 A0 IT 8504834A0 IT 8504834 A IT8504834 A IT 8504834A IT 483485 A IT483485 A IT 483485A IT 8504834 A0 IT8504834 A0 IT 8504834A0
Authority
IT
Italy
Prior art keywords
making
leaf blower
blower head
leaves
tubular
Prior art date
Application number
IT8504834A
Other languages
English (en)
Other versions
IT1210140B (it
Inventor
Hartmut Upmeier
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 IT8504834A0 publication Critical patent/IT8504834A0/it
Application granted granted Critical
Publication of IT1210140B publication Critical patent/IT1210140B/it

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
    • B29C48/03—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
    • B29C48/34—Cross-head annular extrusion nozzles, i.e. for simultaneously receiving moulding material and the preform to be coated
    • 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
    • B29C48/30—Extrusion nozzles or dies
    • B29C48/32—Extrusion nozzles or dies with annular openings, e.g. for forming tubular articles

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)
IT8504834A 1984-07-10 1985-07-10 Testa soffiante di foglie per la realizzazione di foglie tubolari. IT1210140B (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE3425371A DE3425371C2 (de) 1984-07-10 1984-07-10 Folienblaskopf für die Herstellung von Schlauchfolien

Publications (2)

Publication Number Publication Date
IT8504834A0 true IT8504834A0 (it) 1985-07-10
IT1210140B IT1210140B (it) 1989-09-06

Family

ID=6240273

Family Applications (1)

Application Number Title Priority Date Filing Date
IT8504834A IT1210140B (it) 1984-07-10 1985-07-10 Testa soffiante di foglie per la realizzazione di foglie tubolari.

Country Status (6)

Country Link
US (1) US4605365A (it)
JP (1) JPS6127240A (it)
CA (1) CA1243158A (it)
DE (1) DE3425371C2 (it)
IT (1) IT1210140B (it)
SU (1) SU1378779A3 (it)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4322023C1 (de) * 1993-07-02 1994-02-24 Gkn Automotive Ag Verteilerkopf
ITMI20011730A1 (it) * 2000-08-16 2003-02-07 Windmoeller & Hoelscher Testa soffiante per film tubolare
DE102004007929B4 (de) * 2004-02-18 2006-03-30 Kiefel Extrusion Gmbh Verfahren und Vorrichtung zur Reinigung eines Blaskopfes für Kunststofffolien

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2626427A (en) * 1950-01-31 1953-01-27 Western Electric Co Apparatus for controlling the plasticity of extrudable materials in an extruding apparatus
GB1144046A (en) * 1966-02-05 1969-03-05 Induplas S P A Method and apparatus for the manufacturing of tubes of plastics material
US3307219A (en) * 1966-02-16 1967-03-07 Bemis Co Inc Manufacture of plastic film
US3649143A (en) * 1969-05-01 1972-03-14 Pierson Ind Inc Composite tubular film apparatus
DE1930987A1 (de) * 1969-06-19 1970-12-23 Barmag Barmer Maschf Extrusionswerkzeug zum Herstellen von Mehrschichtblasfolien
JPS51147556A (en) * 1975-06-13 1976-12-17 Toyo Soda Mfg Co Ltd Multiilayer rotary circular die
US4525131A (en) * 1983-08-29 1985-06-25 Alcan Aluminum Corporation Cable-coating extruder head system with changeable die and guider elements

Also Published As

Publication number Publication date
CA1243158A (en) 1988-10-18
US4605365A (en) 1986-08-12
IT1210140B (it) 1989-09-06
DE3425371C2 (de) 1986-05-07
DE3425371A1 (de) 1986-01-23
SU1378779A3 (ru) 1988-02-28
JPS6127240A (ja) 1986-02-06

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