Claims
- 1. Apparatus for producing fibres by blast drawing, comprising:
- (a) a melting tank and at least one distributor tank fed therefrom, said distributor tank having exit orifices for passing primary filaments of melt to a blast nozzle unit;
- (b) a blast nozzle unit arranged underneath said exit orifices at a distance therefrom and symmetrical relative to the plumb line of the primary filaments and having an exit side;
- (c) a chute arranged underneath said blast nozzle unit and having an entry zone;
- (d) at least one guide cell positioned between the exit side of said blast nozzle unit and the entry zone of said chute, said guide cell having an upper entry orifice for receiving a flow bundle from said blast nozzle unit, a lower exit orifice for discharging the flow bundle therefrom and a downwardly converging passageway connecting said orifices; said upper entry orifice having a cross-section larger than the cross-section of said flow bundle from said blast nozzle unit to provide a lateral distance therebetween; and
- (e) a conveyor belt arranged at the lower end of said chute and on which the mineral fibres produced are laid and transported away in the form of a continuous web.
- 2. The apparatus of claim 1, wherein the relative angular position of the side walls of said guide cell is adjustable.
- 3. The apparatus of claim 2, wherein the cross-sectional area of said lower exit orifice of the guide cell is adjustable.
- 4. The apparatus of claim 3, wherein said side walls are adjustable in varying angles relative to the extended plumb line of said primary filaments.
- 5. The apparatus of claim 2, wherein said side walls are adjustable in varying angles relative to the extended plumb line of said primary filaments.
- 6. The apparatus of claims 1, 2, 3, 4, or 5, wherein in the area of said exit orifice outside the circumferential area of said flow bundle emerging therefrom there are arranged spray nozzles.
- 7. The apparatus of claim 6, wherein at least a portion of said spray nozzles is connectable to a supply means for either or both cooling liquid and fluent binder.
- 8. The apparatus of claim 7, wherein the spray axis of said spray nozzles forms an angle of between 10.degree. and 45.degree. with the axis of said flow bundle and the spray axes of said spray nozzles are arranged to point obliquely downward.
- 9. The apparatus of claim 1, wherein said downwardly converging passageway is vertically aligned with the plumb line of the flow bundle from said blast nozzle unit and has a continuous, downwardly converging cross-section.
Priority Claims (1)
Number |
Date |
Country |
Kind |
3509424 |
Mar 1985 |
DEX |
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Parent Case Info
This application is a continuation of application Ser. No. 840,751, filed Mar. 13, 1986 now abandoned.
US Referenced Citations (4)
Foreign Referenced Citations (1)
Number |
Date |
Country |
1031448 |
Jun 1953 |
FRX |
Continuations (1)
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Number |
Date |
Country |
Parent |
840751 |
Mar 1986 |
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