IT1114354B - Procedimento di fabbricazione di una pellicola a piu' strati incrociati e prodotto cosi' ottenuto - Google Patents

Procedimento di fabbricazione di una pellicola a piu' strati incrociati e prodotto cosi' ottenuto

Info

Publication number
IT1114354B
IT1114354B IT47697/79A IT4769779A IT1114354B IT 1114354 B IT1114354 B IT 1114354B IT 47697/79 A IT47697/79 A IT 47697/79A IT 4769779 A IT4769779 A IT 4769779A IT 1114354 B IT1114354 B IT 1114354B
Authority
IT
Italy
Prior art keywords
film
product
manufacturing process
multiple layer
layer crosses
Prior art date
Application number
IT47697/79A
Other languages
English (en)
Other versions
IT7947697A0 (it
Original Assignee
Singer Adolfo Aronovici
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 Singer Adolfo Aronovici filed Critical Singer Adolfo Aronovici
Publication of IT7947697A0 publication Critical patent/IT7947697A0/it
Application granted granted Critical
Publication of IT1114354B publication Critical patent/IT1114354B/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
    • B29C48/25—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
    • B29C48/335—Multiple annular extrusion nozzles in coaxial arrangement, e.g. for making multi-layered 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
    • B29C48/03—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
    • 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
    • B29C48/14—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor characterised by the particular extruding conditions, e.g. in a modified atmosphere or by using vibration
    • B29C48/147—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor characterised by the particular extruding conditions, e.g. in a modified atmosphere or by using vibration after the die nozzle
    • B29C48/1472—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor characterised by the particular extruding conditions, e.g. in a modified atmosphere or by using vibration after the die nozzle at the die nozzle exit 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
    • B29C48/16—Articles comprising two or more components, e.g. co-extruded layers
    • B29C48/18—Articles comprising two or more components, e.g. co-extruded layers the components being layers
    • B29C48/21—Articles comprising two or more components, e.g. co-extruded layers the components being layers the layers being joined at their surfaces
    • 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
    • B29C48/33—Extrusion nozzles or dies with annular openings, e.g. for forming tubular articles with parts rotatable relative to each other
    • 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
    • B29C2791/00—Shaping characteristics in general
    • B29C2791/004—Shaping under special conditions
    • B29C2791/007—Using fluid under pressure
    • 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
    • B29C48/001—Combinations of extrusion moulding with other shaping operations
    • B29C48/0018—Combinations of extrusion moulding with other shaping operations combined with shaping by orienting, stretching or shrinking, e.g. film blowing
    • 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
    • B29C48/001—Combinations of extrusion moulding with other shaping operations
    • B29C48/0019—Combinations of extrusion moulding with other shaping operations combined with shaping by flattening, folding or bending
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S428/00—Stock material or miscellaneous articles
    • Y10S428/91—Product with molecular orientation

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • Shaping By String And By Release Of Stress In Plastics And The Like (AREA)
  • Extrusion Moulding Of Plastics Or The Like (AREA)
  • Laminated Bodies (AREA)
IT47697/79A 1978-10-17 1979-01-18 Procedimento di fabbricazione di una pellicola a piu' strati incrociati e prodotto cosi' ottenuto IT1114354B (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
AR274112A AR219554A1 (es) 1978-10-17 1978-10-17 Procedimiento de fabricacion de un film de estratos multiples cruzados y producto obtenido

Publications (2)

Publication Number Publication Date
IT7947697A0 IT7947697A0 (it) 1979-01-18
IT1114354B true IT1114354B (it) 1986-01-27

Family

ID=3472873

Family Applications (1)

Application Number Title Priority Date Filing Date
IT47697/79A IT1114354B (it) 1978-10-17 1979-01-18 Procedimento di fabbricazione di una pellicola a piu' strati incrociati e prodotto cosi' ottenuto

Country Status (10)

Country Link
US (1) US4358330A (it)
JP (1) JPS5553533A (it)
AR (1) AR219554A1 (it)
BR (1) BR7901981A (it)
CA (1) CA1130522A (it)
DE (1) DE2900071A1 (it)
ES (1) ES476098A1 (it)
FR (1) FR2439086A1 (it)
GB (1) GB2031791B (it)
IT (1) IT1114354B (it)

Families Citing this family (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4442147A (en) * 1982-08-09 1984-04-10 W. R. Grace & Co., Cryovac Division Oriented multi-layer films having a different orientation distribution between layers
US4496516A (en) * 1982-08-09 1985-01-29 W. R. Grace & Co., Cryovac Div. Process for forming oriented multi-layer films having a different orientation distribution between layers
US4784594A (en) * 1983-03-11 1988-11-15 Mobil Oil Corporation Single lip rotary tubular extrusion die
US4496413A (en) * 1983-03-11 1985-01-29 Mobil Oil Corporation Method of forming a blocked cross-plied polymer film
US6132668A (en) * 1985-09-26 2000-10-17 Foster-Miller, Inc. Biaxially oriented ordered polymer films
US4939235A (en) * 1985-09-26 1990-07-03 Foster-Miller, Inc. Biaxially oriented ordered polybenzothiazole film
US4973442A (en) * 1985-09-26 1990-11-27 Foster Miller Inc. Forming biaxially oriented ordered polymer films
US4966807A (en) * 1988-06-13 1990-10-30 Foster Miller, Inc. Multiaxially oriented thermotropic polymer films and method of preparation
US5350471A (en) * 1993-05-03 1994-09-27 Mirek Planeta Production of cross-laminated film from tube
JP3670088B2 (ja) * 1995-11-01 2005-07-13 三井化学株式会社 インフレーションフィルムの製造方法、装置および成形体
DE19635697A1 (de) * 1996-09-03 1998-03-05 Bernd Buescherhoff Verfahren zur Herstellung von flächigen Teilen, insbesondere Kunststoff-Folien, mittels Extrusion, durch Extrusion hergestelltes flächiges Teil, insbesondere Kunststoff-Folie, sowie Vorrichtung zur Extrusion von flächigen Teilen, insbesondere Kunststoff-Folien
US20030009151A1 (en) * 2001-07-03 2003-01-09 Scimed Life Systems, Inc. Biaxially oriented multilayer polymer tube for medical devices
US6824734B2 (en) * 2001-10-09 2004-11-30 Kimberly-Clark Worldwide, Inc. Method of producing latent elastic, cross-direction-oriented films
JP2003335302A (ja) * 2002-05-15 2003-11-25 Kyoraku Co Ltd 二重フィルムを使用した製袋充填方法
US7513766B2 (en) * 2005-10-11 2009-04-07 Cryovac, Inc. Extrusion apparatus having a driven feed segment
US20110112677A1 (en) * 2009-11-11 2011-05-12 Albert John Franklin Method for controlling a physical property of a tubular blown film
US9050760B2 (en) 2011-12-15 2015-06-09 Ndc Technologies, Inc. Blown film scanning method

Family Cites Families (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH381418A (de) * 1960-02-15 1964-08-31 Oerlikon Buehrle Ag Vorrichtung zum Herstellen von Blasschläuchen oder Blasfolien
NL302698A (it) * 1962-12-31 1900-01-01
GB1054989A (it) * 1964-09-17 1900-01-01
US3474160A (en) * 1965-04-27 1969-10-21 Industrial Nucleonics Corp Method and apparatus for controlling blown film extruder
US3635634A (en) * 1967-08-11 1972-01-18 Mitsubishi Plastics Ind Apparatus for manufacturing tubular films of thermoplastic resins
US3966861A (en) * 1968-05-20 1976-06-29 Pierson Industries, Inc. Composite tubular film process and apparatus
US3949042A (en) * 1969-05-09 1976-04-06 Multifol Patentverwertungs Ag Method and apparatus for making laminar plastic sheet material
DE1939528A1 (de) * 1969-08-02 1971-02-11 Barmag Barmer Maschf Vorrichtung zum kontinuierlichen Herstellen von Mehrschichtblasfolien
US3853661A (en) * 1971-05-01 1974-12-10 Mitsubishi Petrochemical Co A method of producing plastic bags
US4011128A (en) * 1971-09-09 1977-03-08 Nippon Ekika Seikei Kabushiki Kaisha Apparatus for forming a cross-oriented film
JPS5338306B2 (it) * 1972-03-31 1978-10-14
GB1414785A (en) * 1972-05-31 1975-11-19 Leer Koninklijke Emballage Predominantly monaxially oriented film of a thermoplastic material and a process of preparing same
JPS579304B2 (it) * 1974-08-19 1982-02-20
JPS5415892B2 (it) * 1975-01-06 1979-06-18

Also Published As

Publication number Publication date
GB2031791A (en) 1980-04-30
CA1130522A (en) 1982-08-31
DE2900071A1 (de) 1980-05-08
AR219554A1 (es) 1980-08-29
GB2031791B (en) 1982-12-15
JPS5553533A (en) 1980-04-19
US4358330A (en) 1982-11-09
BR7901981A (pt) 1980-10-07
ES476098A1 (es) 1979-05-01
IT7947697A0 (it) 1979-01-18
FR2439086A1 (fr) 1980-05-16

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