CA2256709C - Appareil pour traiter des metaux fondus corrosifs - Google Patents

Appareil pour traiter des metaux fondus corrosifs Download PDF

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Publication number
CA2256709C
CA2256709C CA002256709A CA2256709A CA2256709C CA 2256709 C CA2256709 C CA 2256709C CA 002256709 A CA002256709 A CA 002256709A CA 2256709 A CA2256709 A CA 2256709A CA 2256709 C CA2256709 C CA 2256709C
Authority
CA
Canada
Prior art keywords
barrel
set forth
alloy
metallic material
screw
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.)
Expired - Fee Related
Application number
CA002256709A
Other languages
English (en)
Other versions
CA2256709A1 (fr
Inventor
John Mihelich
Raymond F. Decker
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.)
Thixomat Inc
Original Assignee
Thixomat 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
Priority claimed from US08/658,945 external-priority patent/US5711366A/en
Application filed by Thixomat Inc filed Critical Thixomat Inc
Publication of CA2256709A1 publication Critical patent/CA2256709A1/fr
Application granted granted Critical
Publication of CA2256709C publication Critical patent/CA2256709C/fr
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B22—CASTING; POWDER METALLURGY
    • B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
    • B22D17/00—Pressure die casting or injection die casting, i.e. casting in which the metal is forced into a mould under high pressure
    • B22D17/007—Semi-solid pressure die casting
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B22—CASTING; POWDER METALLURGY
    • B22C—FOUNDRY MOULDING
    • B22C3/00—Selection of compositions for coating the surfaces of moulds, cores, or patterns
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B22—CASTING; POWDER METALLURGY
    • B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
    • B22D17/00—Pressure die casting or injection die casting, i.e. casting in which the metal is forced into a mould under high pressure
    • B22D17/20—Accessories: Details
    • B22D17/2015—Means for forcing the molten metal into the die

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Manufacture And Refinement Of Metals (AREA)
  • Continuous Casting (AREA)

Abstract

L'invention concerne un appareil pour traiter des matériaux qui sont extrêmement corrosifs tandis qu'ils se trouvent dans un état thixotrope, par exemple l'aluminium. Cet appareil comporte un cylindre apte à recevoir le matériau par un orifice d'admission. Dans ce cylindre, le matériau est chauffé et soumis à un cisaillement, formant une boue semi-solide extrêmement corrosive qui est déchargée du cylindre par un ajutage. Ce cylindre est réalisé avec une couche extérieure en un premier matériau et une couche intérieure en un alliage à base de Nb qui est liée à la couche extérieure. Une vis est positionnée à l'intérieur du passage du cylindre et la rotation de celle-ci agit pour soumettre le matériau à un cisaillement et le faire avancer dans le cylindre. La vis est réalisée avec une couche extérieure en alliage à base de Nb présentant une liaison moléculaire avec un noyau intérieur en un matériau diffèrent. L'alliage à base de Nb est résistant à l'action corrosive du matériau en cours de traitement.
CA002256709A 1996-05-31 1997-05-29 Appareil pour traiter des metaux fondus corrosifs Expired - Fee Related CA2256709C (fr)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US658,945 1996-05-31
US08/658,945 US5711366A (en) 1996-05-31 1996-05-31 Apparatus for processing corrosive molten metals
PCT/US1997/010229 WO1997045218A1 (fr) 1996-05-31 1997-05-29 Appareil pour traiter des metaux fondus corrosifs

Publications (2)

Publication Number Publication Date
CA2256709A1 CA2256709A1 (fr) 1997-12-04
CA2256709C true CA2256709C (fr) 2006-08-08

Family

ID=36791768

Family Applications (1)

Application Number Title Priority Date Filing Date
CA002256709A Expired - Fee Related CA2256709C (fr) 1996-05-31 1997-05-29 Appareil pour traiter des metaux fondus corrosifs

Country Status (1)

Country Link
CA (1) CA2256709C (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111940699A (zh) * 2020-07-20 2020-11-17 深圳市深汕特别合作区力劲科技有限公司 送料装置和压铸机

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111940699A (zh) * 2020-07-20 2020-11-17 深圳市深汕特别合作区力劲科技有限公司 送料装置和压铸机

Also Published As

Publication number Publication date
CA2256709A1 (fr) 1997-12-04

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