ATE385885T1 - Treibmittelzuführsystem - Google Patents

Treibmittelzuführsystem

Info

Publication number
ATE385885T1
ATE385885T1 AT01912888T AT01912888T ATE385885T1 AT E385885 T1 ATE385885 T1 AT E385885T1 AT 01912888 T AT01912888 T AT 01912888T AT 01912888 T AT01912888 T AT 01912888T AT E385885 T1 ATE385885 T1 AT E385885T1
Authority
AT
Austria
Prior art keywords
blowing agent
delivery system
source
polymeric material
flow
Prior art date
Application number
AT01912888T
Other languages
English (en)
Inventor
Roland Y Kim
Juan C Cardona
Kevin J Levesque
Theodore A Burnham
Alan F Matthieu
Original Assignee
Trexel Inc
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 Trexel Inc filed Critical Trexel Inc
Application granted granted Critical
Publication of ATE385885T1 publication Critical patent/ATE385885T1/de

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
    • B29C44/3446—Feeding the blowing agent
    • 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
    • B29C44/38—Feeding the material to be shaped into a closed space, i.e. to make articles of definite length
    • B29C44/42—Feeding the material to be shaped into a closed space, i.e. to make articles of definite length using pressure difference, e.g. by injection or by vacuum
    • B29C44/424—Details of machines
    • B29C44/425—Valve or nozzle constructions; Details of injection devices
    • 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
    • B29C44/60—Measuring, controlling or regulating
    • 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
    • B29C48/255—Flow control means, e.g. valves
    • 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
    • B29C48/74—Bypassing means, i.e. part of the molten material being diverted into downstream stages of the extruder
    • B29C48/745—Bypassing means, i.e. part of the molten material being diverted into downstream stages of the extruder for plasticising or homogenising devices
    • 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
    • B29C48/92—Measuring, controlling or regulating
    • 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
    • B29C2948/00—Indexing scheme relating to extrusion moulding
    • B29C2948/92—Measuring, controlling or regulating
    • B29C2948/92819—Location or phase of control
    • B29C2948/92857—Extrusion unit
    • B29C2948/92876—Feeding, melting, plasticising or pumping zones, e.g. the melt itself

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Extrusion Moulding Of Plastics Or The Like (AREA)
  • Injection Moulding Of Plastics Or The Like (AREA)
  • Transition And Organic Metals Composition Catalysts For Addition Polymerization (AREA)
  • Nozzles (AREA)
AT01912888T 2000-03-07 2001-02-21 Treibmittelzuführsystem ATE385885T1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US18753000P 2000-03-07 2000-03-07

Publications (1)

Publication Number Publication Date
ATE385885T1 true ATE385885T1 (de) 2008-03-15

Family

ID=22689359

Family Applications (1)

Application Number Title Priority Date Filing Date
AT01912888T ATE385885T1 (de) 2000-03-07 2001-02-21 Treibmittelzuführsystem

Country Status (8)

Country Link
US (1) US6926507B2 (de)
EP (1) EP1263561B1 (de)
JP (1) JP4711587B2 (de)
KR (1) KR20030007452A (de)
AT (1) ATE385885T1 (de)
AU (1) AU2001241626A1 (de)
DE (1) DE60132761T2 (de)
WO (1) WO2001066331A1 (de)

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US10800084B2 (en) * 2014-08-05 2020-10-13 Starfort Des Stubenruss Moritz Granule/liquid flow adjusting device for 3-D printer heads supplied with granules and/or liquids
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CN105252696B (zh) * 2015-11-20 2016-12-21 武汉理工大学 一种聚合物超临界微发泡注塑成型方法
JP6777553B2 (ja) * 2017-01-11 2020-10-28 マクセル株式会社 発泡成形体の製造方法及び製造装置
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CN110328798A (zh) * 2019-07-24 2019-10-15 嘉兴市佳杰包装材料有限公司 一种高发泡聚乙烯片材生产用发泡剂注入装置
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Also Published As

Publication number Publication date
US6926507B2 (en) 2005-08-09
EP1263561B1 (de) 2008-02-13
JP2003525780A (ja) 2003-09-02
JP4711587B2 (ja) 2011-06-29
EP1263561A1 (de) 2002-12-11
DE60132761D1 (de) 2008-03-27
WO2001066331A1 (en) 2001-09-13
DE60132761T2 (de) 2009-02-05
KR20030007452A (ko) 2003-01-23
AU2001241626A1 (en) 2001-09-17
US20010033040A1 (en) 2001-10-25

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