IT973718B - Procedimento e dispositivo per la produzione di nastri di materiali termoplastici schiumeg giati - Google Patents

Procedimento e dispositivo per la produzione di nastri di materiali termoplastici schiumeg giati

Info

Publication number
IT973718B
IT973718B IT54262/72A IT5426272A IT973718B IT 973718 B IT973718 B IT 973718B IT 54262/72 A IT54262/72 A IT 54262/72A IT 5426272 A IT5426272 A IT 5426272A IT 973718 B IT973718 B IT 973718B
Authority
IT
Italy
Prior art keywords
tapes
production
thermoplastic materials
foamed thermoplastic
foamed
Prior art date
Application number
IT54262/72A
Other languages
English (en)
Inventor
M Wienand
J Hasberg
F Alfter
Original Assignee
Dynamit Nobel 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 Dynamit Nobel Ag filed Critical Dynamit Nobel Ag
Application granted granted Critical
Publication of IT973718B publication Critical patent/IT973718B/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
    • B29C44/00—Shaping by internal pressure generated in the material, e.g. swelling or foaming ; Producing porous or cellular expanded plastics articles
    • B29C44/34—Auxiliary operations
    • B29C44/56—After-treatment of articles, e.g. for altering the shape
    • B29C44/5609—Purging of residual gas, e.g. noxious or explosive blowing agents
    • 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
    • B29C44/00—Shaping by internal pressure generated in the material, e.g. swelling or foaming ; Producing porous or cellular expanded plastics articles
    • B29C44/20—Shaping by internal pressure generated in the material, e.g. swelling or foaming ; Producing porous or cellular expanded plastics articles for articles of indefinite length
    • B29C44/30—Expanding the moulding material between endless belts or rollers
    • 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
    • B29C44/00—Shaping by internal pressure generated in the material, e.g. swelling or foaming ; Producing porous or cellular expanded plastics articles
    • B29C44/34—Auxiliary operations
    • B29C44/36—Feeding the material to be shaped
    • B29C44/46—Feeding the material to be shaped into an open space or onto moving surfaces, i.e. to make articles of indefinite length
    • B29C44/468—Feeding the material to be shaped into an open space or onto moving surfaces, i.e. to make articles of indefinite length in a plurality of parallel streams which unite during the foaming
    • 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
    • B29C48/05—Filamentary, e.g. strands
    • 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
    • B29C48/30—Extrusion nozzles or dies
    • B29C48/305—Extrusion nozzles or dies having a wide opening, e.g. for forming sheets
    • 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
    • B29C48/36—Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die
    • B29C48/50—Details of extruders
    • B29C48/505—Screws
    • B29C48/53—Screws having a varying channel depth, e.g. varying the diameter of the longitudinal screw trunk
    • 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
    • B29K2105/00—Condition, form or state of moulded material or of the material to be shaped
    • B29K2105/04—Condition, form or state of moulded material or of the material to be shaped cellular or porous
    • B29K2105/041—Microporous
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29L—INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
    • B29L2007/00—Flat articles, e.g. films or sheets
    • 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
    • Y10S264/00—Plastic and nonmetallic article shaping or treating: processes
    • Y10S264/15—Aging of foamed resin products
    • 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
    • Y10S264/00—Plastic and nonmetallic article shaping or treating: processes
    • Y10S264/50—Use of fluid pressure in molding
    • 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
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00—Stock material or miscellaneous articles
    • Y10T428/23—Sheet including cover or casing
    • Y10T428/237—Noninterengaged fibered material encased [e.g., mat, batt, etc.]
    • 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
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00—Stock material or miscellaneous articles
    • Y10T428/24—Structurally defined web or sheet [e.g., overall dimension, etc.]
    • 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
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T442/00—Fabric [woven, knitted, or nonwoven textile or cloth, etc.]
    • Y10T442/60—Nonwoven fabric [i.e., nonwoven strand or fiber material]
    • Y10T442/647—Including a foamed layer or component

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Health & Medical Sciences (AREA)
  • Toxicology (AREA)
  • Manufacturing & Machinery (AREA)
  • Extrusion Moulding Of Plastics Or The Like (AREA)
  • Processing And Handling Of Plastics And Other Materials For Molding In General (AREA)
  • Manufacture Of Porous Articles, And Recovery And Treatment Of Waste Products (AREA)
  • Casting Or Compression Moulding Of Plastics Or The Like (AREA)
  • Molding Of Porous Articles (AREA)
IT54262/72A 1971-11-26 1972-11-24 Procedimento e dispositivo per la produzione di nastri di materiali termoplastici schiumeg giati IT973718B (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE2158673A DE2158673C3 (de) 1971-11-26 1971-11-26 Verfahren und Vorrichtung zum kontinuierlichen Herstellen von Bahnen aus geschäumtem thermoplastischem Kunststoff

Publications (1)

Publication Number Publication Date
IT973718B true IT973718B (it) 1974-06-10

Family

ID=5826217

Family Applications (1)

Application Number Title Priority Date Filing Date
IT54262/72A IT973718B (it) 1971-11-26 1972-11-24 Procedimento e dispositivo per la produzione di nastri di materiali termoplastici schiumeg giati

Country Status (6)

Country Link
US (1) US3937777A (it)
JP (1) JPS4860771A (it)
DE (1) DE2158673C3 (it)
FR (1) FR2161077B1 (it)
GB (1) GB1406273A (it)
IT (1) IT973718B (it)

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Publication number Priority date Publication date Assignee Title
US4794038A (en) * 1985-05-15 1988-12-27 E. I. Du Pont De Nemours And Company Polyester fiberfill
US4401612A (en) * 1981-06-17 1983-08-30 The B. F. Goodrich Company Method and apparatus for extruding foam polymeric materials involving the use of an extrusion screw having spaced multiple flight mixing means thereon
US4409165A (en) * 1981-06-18 1983-10-11 The B. F. Goodrich Company Method and apparatus for extruding a cellular product
DE3341438C1 (de) * 1983-11-17 1985-06-27 Fa. Carl Freudenberg, 6940 Weinheim Verfahren und Vorrichtung zur Herstellung einer Platte aus thermoplastischem Schaumkunststoff
AU6846396A (en) * 1995-08-14 1997-03-12 Massachusetts Institute Of Technology Gear throttle as a nucleation device in a continuous microcellular extrusion system
US6054207A (en) * 1998-01-21 2000-04-25 Andersen Corporation Foamed thermoplastic polymer and wood fiber profile and member
US6344268B1 (en) 1998-04-03 2002-02-05 Certainteed Corporation Foamed polymer-fiber composite
US20060065993A1 (en) * 1998-04-03 2006-03-30 Certainteed Corporation Foamed polymer-fiber composite
US7585439B2 (en) * 2003-05-17 2009-09-08 Micro Green Polymers, Inc. Manufacture of fully recyclable foamed polymer from recycled material
US9296126B2 (en) 2003-05-17 2016-03-29 Microgreen Polymers, Inc. Deep drawn microcellularly foamed polymeric containers made via solid-state gas impregnation thermoforming
US7296991B2 (en) * 2004-12-10 2007-11-20 Irwin Jere F Adjustable extruder die assembly die lip adjustment apparatus
US20070190201A1 (en) * 2006-02-13 2007-08-16 Irwin Jere E Extruder die assembly, extruder, and method
DE202006018456U1 (de) * 2006-12-05 2007-03-08 C.F. Scheer & Cie. Gmbh & Co. Düsenplatte für Kunststoffstranggranulieranlage
US8877331B2 (en) * 2007-01-17 2014-11-04 MicroGREEN Polymers Multi-layered foamed polymeric objects having segmented and varying physical properties and related methods
DK2160290T3 (da) 2007-01-17 2012-04-02 Microgreen Polymers Inc Flerlaget, opskummet polymergenstand
US20100052201A1 (en) * 2008-03-03 2010-03-04 Microgreen Polymers, Inc. Foamed cellular panels and related methods
US8568125B2 (en) 2008-04-14 2013-10-29 Microgreen Polymers Inc. Roll fed flotation/impingement air ovens and related thermoforming systems for corrugation-free heating and expanding of gas impregnated thermoplastic webs
US8080194B2 (en) 2008-06-13 2011-12-20 Microgreen Polymers, Inc. Methods and pressure vessels for solid-state microcellular processing of thermoplastic rolls or sheets
US8827197B2 (en) * 2008-11-04 2014-09-09 Microgreen Polymers Inc Apparatus and method for interleaving polymeric roll for gas impregnation and solid-state foam processing
US20110195165A1 (en) * 2010-02-08 2011-08-11 Cahill John E Material and sheet for packaging bacon and/or other meats, and methods for making and using the same
CA2795961A1 (en) 2010-04-19 2011-10-27 Krishna Nadella A method for joining thermoplastic polymer material
ES2683187T3 (es) 2012-02-29 2018-09-25 Dart Container Corporation Procedimiento para la infusión de un gas en un material termoplástico, y sistemas relacionados
DE102012214110B4 (de) * 2012-08-08 2016-02-18 Polymer Competence Center Leoben Gmbh Verfahren zum Steuern eines Extrusionsprozesses
EP2943334A4 (en) 2013-01-14 2016-07-20 Microgreen Polymers Inc SYSTEMS FOR ROLLING A ROLL OF THERMOPLASTIC MATERIAL INTERLEAVED WITH POROUS MATERIAL, AND ASSOCIATED METHODS
CN106346737B (zh) * 2016-08-25 2019-03-26 凯迈(洛阳)机电有限公司 一种铸带头组件及铸带头
US20190118432A1 (en) * 2017-10-23 2019-04-25 Trexel, Inc. Blowing agent introduction in polymer foam processing

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NL82159C (it) * 1952-04-17
NL254014A (it) * 1959-07-22 1900-01-01
US3126432A (en) * 1961-05-18 1964-03-24 Particles of thermoplastic polymer
US3314840A (en) * 1961-08-01 1967-04-18 Celanese Corp Process and apparatus for producing a non-woven fabric
US3227664A (en) * 1961-12-07 1966-01-04 Du Pont Ultramicrocellular structures of crystalline organic polymer
US3121132A (en) * 1961-12-18 1964-02-11 Koppers Co Inc Stress relieving expandable plastic particles
US3241343A (en) * 1962-08-28 1966-03-22 Yazawa Masahide Apparatus for continuous high speed and uniform processing of fiber material
US3374300A (en) * 1963-10-12 1968-03-19 Azuma Kimikazu Process and apparatus for the continuous production of polystyrenic foam materials
DE1504148A1 (de) * 1963-10-14 1969-09-25 Dynamit Nobel Ag Verfahren und Vorrichtung zum Aufschaeumen von thermoplastischen Kunststoffen
GB1050197A (it) * 1963-11-27
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US3725320A (en) * 1972-04-03 1973-04-03 Dart Ind Inc Aging of impregnated foamable beads

Also Published As

Publication number Publication date
US3937777A (en) 1976-02-10
FR2161077B1 (it) 1976-10-29
DE2158673A1 (de) 1973-06-14
GB1406273A (en) 1975-09-17
DE2158673B2 (de) 1974-09-12
FR2161077A1 (it) 1973-07-06
DE2158673C3 (de) 1975-05-15
JPS4860771A (it) 1973-08-25

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