AU2000271150A1 - Thermoplastic foam extrusion assembly - Google Patents

Thermoplastic foam extrusion assembly

Info

Publication number
AU2000271150A1
AU2000271150A1 AU2000271150A AU7115000A AU2000271150A1 AU 2000271150 A1 AU2000271150 A1 AU 2000271150A1 AU 2000271150 A AU2000271150 A AU 2000271150A AU 7115000 A AU7115000 A AU 7115000A AU 2000271150 A1 AU2000271150 A1 AU 2000271150A1
Authority
AU
Australia
Prior art keywords
foaming agent
flow passages
melted material
material pellets
flow
Prior art date
Legal status (The legal status 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 status listed.)
Abandoned
Application number
AU2000271150A
Other languages
English (en)
Other versions
AU2000271150A8 (enrdf_load_stackoverflow
Inventor
James D. Fogarty
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Priority claimed from PCT/US2000/024361 external-priority patent/WO2002020232A2/en
Publication of AU2000271150A1 publication Critical patent/AU2000271150A1/en
Publication of AU2000271150A8 publication Critical patent/AU2000271150A8/xx
Abandoned legal-status Critical Current

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
    • B29C44/3442—Mixing, kneading or conveying the foamable material
    • 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
    • B29C48/268—Throttling of the flow, e.g. for cooperating with plasticising elements or for degassing
    • 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
    • B29C48/395—Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die using screws surrounded by a cooperating barrel, e.g. single screw extruders
    • 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
    • B29C48/565—Screws having projections other than the thread, e.g. pins
    • 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
    • B29C48/793—Thermal treatment of the extrusion moulding material or of preformed parts or layers, e.g. by heating or cooling upstream of the plasticising zone, e.g. heating in the hopper
    • 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
    • B29L2031/00—Other particular articles
    • B29L2031/712—Containers; Packaging elements or accessories, Packages
    • 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
    • B29L2031/00—Other particular articles
    • B29L2031/712—Containers; Packaging elements or accessories, Packages
    • B29L2031/7162—Boxes, cartons, cases

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Extrusion Moulding Of Plastics Or The Like (AREA)
AU2000271150A 2000-09-01 2000-09-01 Thermoplastic foam extrusion assembly Abandoned AU2000271150A1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/US2000/024361 WO2002020232A2 (en) 1998-11-09 2000-09-01 Thermoplastic foam extrusion assembly

Publications (2)

Publication Number Publication Date
AU2000271150A1 true AU2000271150A1 (en) 2002-03-22
AU2000271150A8 AU2000271150A8 (enrdf_load_stackoverflow) 2002-06-13

Family

ID=21741745

Family Applications (1)

Application Number Title Priority Date Filing Date
AU2000271150A Abandoned AU2000271150A1 (en) 2000-09-01 2000-09-01 Thermoplastic foam extrusion assembly

Country Status (3)

Country Link
EP (1) EP1438166A4 (enrdf_load_stackoverflow)
JP (1) JP2004509782A (enrdf_load_stackoverflow)
AU (1) AU2000271150A1 (enrdf_load_stackoverflow)

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3593379A (en) * 1969-04-10 1971-07-20 Borg Warner Plasticizing and working machine
CH587115A5 (enrdf_load_stackoverflow) * 1975-10-07 1977-04-29 Vymil Finanz & Verwaltungs
JPS5359761A (en) * 1976-11-10 1978-05-29 Sumitomo Electric Industries Foam plastic extruder
FI64251C (fi) * 1979-05-11 1983-10-10 Nokia Oy Ab Spruthuvud foer straengsprutmaskin
DE3100665A1 (de) * 1981-01-12 1982-08-26 Spiritini, Cuno Geschaeumtes niederdruck-polyethylen, verfahren zur herstellung desselben, sowie dessen verwendung
JP4142190B2 (ja) * 1999-01-29 2008-08-27 株式会社タハラ 押出機用スクリュー

Also Published As

Publication number Publication date
JP2004509782A (ja) 2004-04-02
EP1438166A4 (en) 2011-04-27
EP1438166A2 (en) 2004-07-21
AU2000271150A8 (enrdf_load_stackoverflow) 2002-06-13

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