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IT1229290B - Testa di estrusione per materiale espanso, in particolare per materiale espanso a base di polivinilcloruro. - Google Patents

Testa di estrusione per materiale espanso, in particolare per materiale espanso a base di polivinilcloruro.

Info

Publication number
IT1229290B
IT1229290B IT8920301A IT2030189A IT1229290B IT 1229290 B IT1229290 B IT 1229290B IT 8920301 A IT8920301 A IT 8920301A IT 2030189 A IT2030189 A IT 2030189A IT 1229290 B IT1229290 B IT 1229290B
Authority
IT
Italy
Prior art keywords
expanded material
polyvinylchloride
extrusion head
material based
expanded
Prior art date
Application number
IT8920301A
Other languages
English (en)
Other versions
IT8920301A0 (it
Inventor
Romano Brambilla
Original Assignee
Brabor Srl
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 Brabor Srl filed Critical Brabor Srl
Priority to IT8920301A priority Critical patent/IT1229290B/it
Publication of IT8920301A0 publication Critical patent/IT8920301A0/it
Priority to US07/513,211 priority patent/US5124096A/en
Application granted granted Critical
Publication of IT1229290B publication Critical patent/IT1229290B/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
    • B29C44/36—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
    • B29C44/50—Feeding the material to be shaped into an open space or onto moving surfaces, i.e. to make articles of indefinite length using pressure difference, e.g. by extrusion or by spraying
    • B29C44/507—Feeding the material to be shaped into an open space or onto moving surfaces, i.e. to make articles of indefinite length using pressure difference, e.g. by extrusion or by spraying extruding the compound through an annular die
    • 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
    • B29C44/32—Incorporating or moulding on preformed parts, e.g. linings, inserts or reinforcements
    • B29C44/322—Incorporating or moulding on preformed parts, e.g. linings, inserts or reinforcements the preformed parts being elongated inserts, e.g. cables
    • 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
    • B29C48/25—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
    • 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
    • B29C48/695—Flow dividers, e.g. breaker plates
    • B29C48/70—Flow dividers, e.g. breaker plates comprising means for dividing, distributing and recombining melt flows
    • B29C48/705—Flow dividers, e.g. breaker plates comprising means for dividing, distributing and recombining melt flows in the die zone, e.g. to create flow homogeneity
    • 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
    • B29C48/06—Rod-shaped

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • Extrusion Moulding Of Plastics Or The Like (AREA)
IT8920301A 1989-04-28 1989-04-28 Testa di estrusione per materiale espanso, in particolare per materiale espanso a base di polivinilcloruro. IT1229290B (it)

Priority Applications (2)

Application Number Priority Date Filing Date Title
IT8920301A IT1229290B (it) 1989-04-28 1989-04-28 Testa di estrusione per materiale espanso, in particolare per materiale espanso a base di polivinilcloruro.
US07/513,211 US5124096A (en) 1989-04-28 1990-04-23 Extrusion head for foamed material, in particular for polyvinylchloride-based foamed material

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT8920301A IT1229290B (it) 1989-04-28 1989-04-28 Testa di estrusione per materiale espanso, in particolare per materiale espanso a base di polivinilcloruro.

Publications (2)

Publication Number Publication Date
IT8920301A0 IT8920301A0 (it) 1989-04-28
IT1229290B true IT1229290B (it) 1991-08-08

Family

ID=11165551

Family Applications (1)

Application Number Title Priority Date Filing Date
IT8920301A IT1229290B (it) 1989-04-28 1989-04-28 Testa di estrusione per materiale espanso, in particolare per materiale espanso a base di polivinilcloruro.

Country Status (2)

Country Link
US (1) US5124096A (it)
IT (1) IT1229290B (it)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19509375A1 (de) * 1995-03-15 1996-09-19 Rollepaal B V Maschf De Extrusionskopf für Kunststoffextruder
US5945048A (en) * 1995-03-25 1999-08-31 Ensinger; Wilfried Process and device for extruding polymer melts to form hollow chamber sections
WO1997006935A1 (en) * 1995-08-14 1997-02-27 Massachusetts Institute Of Technology Gear throttle as a nucleation device in a continuous microcellular extrusion system
ATE228421T1 (de) * 1996-08-27 2002-12-15 Trexel Inc Verfahren und vorrichtung zum extrudieren von polymerschaum, insbesondere mikrozellenschaum
US6884377B1 (en) 1996-08-27 2005-04-26 Trexel, Inc. Method and apparatus for microcellular polymer extrusion
EP0921148A1 (en) 1997-12-08 1999-06-09 Dow Deutschland Inc. Low density strand foams
DK0922554T3 (da) 1997-12-08 2003-10-20 Dow Deutschland Inc Flerlagsskum, fremgangsmåde til dets fremstilling og anvendelse heraf
WO2001011992A1 (en) 1999-08-19 2001-02-22 Diamond Stainless, Inc. Method and apparatus for producing stranded, ground, meat products and the products so produced
US6592789B2 (en) * 2001-05-18 2003-07-15 James B. Barsby Apparatus and methods for mixing and injecting a foam core within an extruded shell
US8714952B2 (en) * 2011-06-13 2014-05-06 Floracraft Corp. System and method for manufacturing cylindrical foam articles
EP2641720A1 (de) * 2012-03-20 2013-09-25 Sika Technology AG Verfahren und Kunststoff-Extrusionsvorrichtung zur Herstellung eines mit Dämmstoff ausgeschäumten Hohlkörpers oder Hohlraums
DE102015108858B4 (de) * 2015-06-03 2019-11-28 Brugg Rohr Ag Holding Vorrichtung zur Herstellung aufgeschäumter Erzeugnisse sowie eine hierfür bestimmte Lochscheibe

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3413388A (en) * 1965-05-24 1968-11-26 Haveg Industries Inc Rectangular extrusion
FR94389E (fr) * 1966-09-07 1969-08-08 Ugine Kuhlmann Procédé et dispositif pour l'extrusion des matieres plastiques expansibles.
US3857914A (en) * 1968-10-21 1974-12-31 Asahi Chemical Ind Method for extruding a foamed, molded article
JPS491428Y1 (it) * 1970-06-26 1974-01-14
JPS4840068A (it) * 1971-09-14 1973-06-12
FR2201963A1 (it) * 1972-10-09 1974-05-03 Wacker Chemie Gmbh
JPS5435231B2 (it) * 1974-03-09 1979-11-01
US4192839A (en) * 1978-01-03 1980-03-11 Sekisui Kaseihin Kogyo Kabushiki Kaisha Process for producing expanded article of thermoplastic resin
JPS56144197A (en) * 1980-04-14 1981-11-10 Teibow Co Ltd Molding device for pen point in synthetic resin

Also Published As

Publication number Publication date
US5124096A (en) 1992-06-23
IT8920301A0 (it) 1989-04-28

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Legal Events

Date Code Title Description
TA Fee payment date (situation as of event date), data collected since 19931001

Effective date: 19970424