EP0663962A1 - Composition de copeaux de metal refractaire et procede de production associe - Google Patents

Composition de copeaux de metal refractaire et procede de production associe

Info

Publication number
EP0663962A1
EP0663962A1 EP92922354A EP92922354A EP0663962A1 EP 0663962 A1 EP0663962 A1 EP 0663962A1 EP 92922354 A EP92922354 A EP 92922354A EP 92922354 A EP92922354 A EP 92922354A EP 0663962 A1 EP0663962 A1 EP 0663962A1
Authority
EP
European Patent Office
Prior art keywords
swarf
refractory metal
particles
process according
clean
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.)
Ceased
Application number
EP92922354A
Other languages
German (de)
English (en)
Other versions
EP0663962A4 (fr
Inventor
Joseph A. Megy
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/US1992/008680 external-priority patent/WO1994008059A1/fr
Publication of EP0663962A1 publication Critical patent/EP0663962A1/fr
Publication of EP0663962A4 publication Critical patent/EP0663962A4/fr
Ceased legal-status Critical Current

Links

Landscapes

  • Manufacture And Refinement Of Metals (AREA)

Abstract

Procédé permettant de produire à partir de copeaux de métal réfractaire un produit particulaire propre à base de copeaux de métal réfractaire. On produit les particules de copeaux avec un produit réfrigérant dont la température est inférieure à 680 °C pour empêcher la formation d'oxydes et de nitrures de métal réfractaire. On broye lesdites particules pour réduire la grosseur particulaire des copeaux et pour libérer le produit réfrigérant résiduel. On lave les copeaux broyés dans un bain mobile pour éliminer la majeure partie du produit refroidissant, puis dans un contre-courant pour éliminer sensiblement tous les constituants du produit réfrigérant afin d'obtenir des particules de copeaux propres. On peut ensuite confirmer ces particules de copeaux propres sous forme de briquettes et les fritter à des pressions élevées ou bien les mélanger à un sel haloïde de métal réfractaire de métal alcalin, les comprimer en briquettes copeaux/sel à des pressions élevées et les sécher. Les briquettes ainsi produites sont non pyrophores.
EP92922354A 1992-10-05 1992-10-05 Composition de copeaux de metal refractaire et procede de production associe. Ceased EP0663962A4 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
PCT/US1992/008680 WO1994008059A1 (fr) 1991-09-19 1992-10-05 Composition de copeaux de metal refractaire et procede de production associe
CA 2144772 CA2144772A1 (fr) 1991-09-19 1992-10-05 Produit a base de copeaux metalliques refractaires et methode de fabrication connexe

Publications (2)

Publication Number Publication Date
EP0663962A1 true EP0663962A1 (fr) 1995-07-26
EP0663962A4 EP0663962A4 (fr) 1996-07-03

Family

ID=4155436

Family Applications (1)

Application Number Title Priority Date Filing Date
EP92922354A Ceased EP0663962A4 (fr) 1992-10-05 1992-10-05 Composition de copeaux de metal refractaire et procede de production associe.

Country Status (2)

Country Link
EP (1) EP0663962A4 (fr)
JP (1) JPH08501833A (fr)

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3997359A (en) * 1972-11-07 1976-12-14 Joseph Daniel Dankoff Reclamation of components from grinding swarf
FR2361478A1 (fr) * 1976-08-09 1978-03-10 Prab Conveyors Procede de nettoyage des riblons

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3997359A (en) * 1972-11-07 1976-12-14 Joseph Daniel Dankoff Reclamation of components from grinding swarf
FR2361478A1 (fr) * 1976-08-09 1978-03-10 Prab Conveyors Procede de nettoyage des riblons

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See also references of WO9408059A1 *

Also Published As

Publication number Publication date
JPH08501833A (ja) 1996-02-27
EP0663962A4 (fr) 1996-07-03

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