Patent US2253293A successfully refreshed from Google Patents.
Patent EP0076618A2 successfully refreshed from Google Patents.
EP0076618A2
Expired / Lapsed
EP
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Method of manufacturing thin metal wire
Assignee: Unitika Ltd
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Filing: 1982-09-28
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Granted: —
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Expires: 2002-09-28
Abstract
Abstract A method of producing a thin metal wire having a circular cross section comprising providing a molten metal within an extruding device having a nozzle 2 therein, then providing strips 8 of coolant in motion at a speed of 200 m/min or more, the molten metal 9 being extruded into the strip 8 of coolant in order to cool and solidify the metal and form the thin metal wire. A high quality thin metal wire is obtained by precisely adjusting the speed of the strip 8 of coolant relative to the speed of the extruded molten metal 9 as well as the angle at which the molten metal 9 is extruded into the coolant strip 8. The method is capable of economically and continuously producing a high quality thin metal wire on a commerical scale. The method is effective in directly producing a thin metal wire having an amorphous, a nonequilibrium crystalline, or micro-crystalline structure.
Inventors
- 👤 Tsuyoshi Masumoto
- 👤 Tatsuo Hamashima
- 👤 Michiaki Hagiwara
Bibliographic Details
Application Number
—
Jurisdiction
EP
Data Source
google_patents
Last Synchronized
2026-11-07 01:22
CPC Classifications
B; B22; B22D; B22D11/00; B22D11/005
Claims Analysis
Total Claims: 16
Claim 1
Independent Claim
138 words
A method of producing a thin metal wire, comprising the steps of; providing a molten metal within an extruding device having a nozzle 2 thereon; providing a strip 8 of coolant in motion characterised in that the speed of motion of the coolant is 200 m/min or more; and extruding the molten-metal 9 out of the nozzle into the strip of coolant in order to cool and solidify the molten metal, the motion of the coolant and the extruding molten metal satisfying the following formulae (I) and (II): wherein V W is the speed (m/min) of the strip 8 of coolant, V J is the speed (m/min) of the extruded molten metal 9, and 6 is the angle (degree) formed between the flow of the strip 8 of coolant and the flow of the extruded molten metal 9.
Claim 2
Independent Claim
138 words
A method of producing a thin metal wire, comprising the steps of; providing a molten metal within an extruding device having a nozzle 2 thereon; providing a strip 8 of coolant in motion characterised in that the speed of motion of the coolant is 200 m/min or more; and extruding the molten-metal 9 out of the nozzle into the strip of coolant in order to cool and solidify the molten metal, the motion of the coolant and the extruding molten metal satisfying the following formulae (I) and (II): wherein V W is the speed (m/min) of the strip 8 of coolant, V J is the speed (m/min) of the extruded molten metal 9, and 6 is the angle (degree) formed between the flow of the strip 8 of coolant and the flow of the extruded molten metal 9.
Claim 3
Dependent Claim
28 words
A method of producing a thin metal wire as claimed in claim 1, characterised in that the molten metal is a metal capable of forming an amorphous structure.
Claim 4
Dependent Claim
29 words
A method of producing a thin metal wire as claimed in claim 1, characterised in that the molten metal is a metal capable of forming a nonequilibrium crystalline structure.
Claim 5
Independent Claim
32 words
A method of producing a thin metal wire as claimed in any one of claims 1, 2 or 3, characterised in that the strips 8 of coolant is a coolant jet flow.
Claim 6
Dependent Claim
37 words
A method of producing a thin metal wire as claimed in claim 1, characterised in that the strips 8 of coolant has a thickness of 1 cm or more and a length of 5 cm or more.
Claim 7
Dependent Claim
53 words
A method of producing a thin metal wire as claimed in claim 1, characterised in that the metal is selected from the group consisting of Fe-Si-B, Fe-Cr-Si-B, Fe-Me(Ni, Co, Ta, Nb, W)-Si-B, Fe-P-C, Fe-Cr-P-C, Fe-Me(Mo,V, W)-P-C, Co-Si-B, Co-Me(Fe, Ni, Nb, Ta, Cr)-Si-B, Fe-P-B, Fe-Cr-P-B, Fe-Cr-C, Fe-Mn-Aℓ -C, Fe-Ni-Aℓ-C, Mn-At-C, Fe-Aℓ-C, and (Fe, Ni)-Cr-Aℓalloy.
Claim 8
Dependent Claim
44 words
A method for producing a thin metal wire as claimed in Claim 1, characterised in that the speed of the strips 8 of coolant and the speed of the extruded molten metal 9 are such that they are within the relationship of the formula:
Claim 9
Dependent Claim
22 words
A method for producing a thin metal wire as claimed in claim 1 characterised in that Vw is greater than 400 m/min.
Claim 10
Dependent Claim
21 words
A method for producing a thin metal wire as claimed in claim 1 characterised in that θ is greater than 40°.
Claim 11
Dependent Claim
25 words
A method for producing a thin metal wire as claimed in claim 1 characterised in that θ is within 'the range of 50° to 90°.
Claim 12
Dependent Claim
41 words
A method for producing a thin metal wire as claimed in claim 1 characterised in that the distance from the leading end of the spinning nozzle .2 to the upper surface of the coolant strip 8 is 10 mm or less.
Claim 13
Dependent Claim
37 words
A method for producing a thin metal wire as claimed in claim 11, characterised in that the distance from the spinning nozzle 2 to the upper surface of the coolant strip 8 is 3 mm or less.
Claim 14
Dependent Claim
30 words
A method of producing a thin metal wire as claimed in claim 1, characterised in that the nozzle 2 has an opening having a diameter of 0.5 mm or less.
Claim 15
Dependent Claim
26 words
A method of producing a thin metal wire as claimed in claim 13, characterised in that the diameter of the opening is 0.3 mm or less.
Claim 16
Dependent Claim
89 words
A method of producing a thin metal wire as claimed in claim 1 characterised in that the coolant strip 8 is comprised of a solution selected from the group consisting of an aqueous solution of electrolyte containing 10 to 25% by weight of sodium chloride, an aqueous solution of electrolyte containing 5 to 15% by weight of sodium hydroxide, an aqueous solution of electrolyte containing 5 to 25% by weight of magnesium chloride or lithium chloride and an aqueous solution of electrolyte containing 50% by weight of zinc chloride.
References Cited (Backward Citations)
No citation records indexed.
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