IT8722430A0 - Dispositivo per introdurre un gas in massa fusa di materia artificiale termoplastica. - Google Patents

Dispositivo per introdurre un gas in massa fusa di materia artificiale termoplastica.

Info

Publication number
IT8722430A0
IT8722430A0 IT8722430A IT2243087A IT8722430A0 IT 8722430 A0 IT8722430 A0 IT 8722430A0 IT 8722430 A IT8722430 A IT 8722430A IT 2243087 A IT2243087 A IT 2243087A IT 8722430 A0 IT8722430 A0 IT 8722430A0
Authority
IT
Italy
Prior art keywords
introducing
gas
thermoplastic material
melted mass
artificial thermoplastic
Prior art date
Application number
IT8722430A
Other languages
English (en)
Other versions
IT1223000B (it
Inventor
Wilhelm Cyriax
Original Assignee
Battenfeld Gmbh
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 Battenfeld Gmbh filed Critical Battenfeld Gmbh
Publication of IT8722430A0 publication Critical patent/IT8722430A0/it
Application granted granted Critical
Publication of IT1223000B publication Critical patent/IT1223000B/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
    • B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
    • B29C45/17—Component parts, details or accessories; Auxiliary operations
    • B29C45/1703—Introducing an auxiliary fluid into the mould
    • B29C45/1732—Control circuits therefor
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Mechanical Engineering (AREA)
  • Injection Moulding Of Plastics Or The Like (AREA)
  • Molding Of Porous Articles (AREA)
IT22430/87A 1986-11-06 1987-10-28 Dispositivo per introdurre un gas in massa fusa di materia artificiale termoplastica IT1223000B (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19863637918 DE3637918A1 (de) 1986-11-06 1986-11-06 Vorrichtung zum einfuehren eines gases in thermoplastische kunststoffschmelze

Publications (2)

Publication Number Publication Date
IT8722430A0 true IT8722430A0 (it) 1987-10-28
IT1223000B IT1223000B (it) 1990-09-12

Family

ID=6313360

Family Applications (1)

Application Number Title Priority Date Filing Date
IT22430/87A IT1223000B (it) 1986-11-06 1987-10-28 Dispositivo per introdurre un gas in massa fusa di materia artificiale termoplastica

Country Status (3)

Country Link
JP (1) JP2515825B2 (it)
DE (1) DE3637918A1 (it)
IT (1) IT1223000B (it)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0361303B1 (de) * 1988-09-26 1992-12-16 Engel Maschinenbau Gesellschaft m.b.H. Spritzgiessmaschine
JPH064259B2 (ja) * 1988-11-22 1994-01-19 株式会社ニレコ 成形機キャビティ内の溶融樹脂に対するガス注入方法と装置
DE4305866A1 (de) * 1993-02-25 1994-09-01 Linde Ag Treibmitteldosierung bei der Herstellung von Kunststoffschäumen
US7703705B2 (en) * 2007-02-16 2010-04-27 Nordson Corporation Apparatus and method for dispensing a mixture of a gas and a fluid material

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1729531A1 (de) * 1967-10-06 1972-02-03 Isernhagen Kunststoff Verf Hochdruck-Schussgeraet mit Dosier- und Mischvorrichtung zur Erzeugung von Kunststoffen,insbesondere Polyurethanschaumstoffen
DE3020122C2 (de) * 1980-05-27 1984-04-26 Battenfeld Maschinenfabriken Gmbh, 5882 Meinerzhagen Schaltungsanordung zum Zudosieren von gasförmigen oder flüssigen Stoffen, insbesondere physikalischen Treibmitteln, in eine fließfähige Schmelze aus thermoplastischem Kunststoff

Also Published As

Publication number Publication date
DE3637918A1 (de) 1988-06-01
JPS63139716A (ja) 1988-06-11
JP2515825B2 (ja) 1996-07-10
IT1223000B (it) 1990-09-12

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