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US4657187A Expired / Lapsed US ⏱️ 0.0 years remaining

Ultrafine particle spraying apparatus

Assignee: Japan Science and Technology Agency
•
Filing: 1985-10-25
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Granted: 1987-04-14
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Expires: 2005-10-25
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Abstract

Abstract Apparatus for spraying ultrafine particles includes a nozzle in which two or more nozzle pipes for directing the ultrafine particles onto an objective surface are bundled together.

Inventors

  • 👤 Chikara Hayashi

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-02 02:31
CPC Classifications
C; C03; C03C; C03C17/00; C03C17/001; B; B05; B05B; B05B7/00; B05B7/02; B05B7/08; B05B7/0884; B05B7/14; B05B7/1481; B05B7/1486

Claims Analysis

Total Claims: 5
Claim 1
Independent Claim 78 words
An ultrafine particle spraying apparatus comprising means for producing ultrafine particles; a nozzle means for spraying said ultrafine particles onto a surface in film of a desired pattern and for depositing said particles on and adherinig said particles to said surface in said desired pattern, said nozzle means comprising at least two nozzle pipes bundled together; and a converying means for conveying said ultrafine particles under pressure from said means for producing ultrafine particles to said nozzle means.
Claim 2
Dependent Claim 78 words
An ultrafine particle spraying apparatus comprising means for producing ultrafine particles; a nozzle means for spraying said ultrafine particles onto a surface in film of a desired pattern and for depositing said particles on and adherinig said particles to said surface in said desired pattern, said nozzle means comprising at least two nozzle pipes bundled together; and a converying means for conveying said ultrafine particles under pressure from said means for producing ultrafine particles to said nozzle means.
Claim 3
Dependent Claim 29 words
The apparatus of claim 1 wherein said nozzle means comprises a plurality of groups of nozzle pipes, each of said groups comprising at least two nozzle pipes bundled together.
Claim 4
Dependent Claim 17 words
The apparatus of claim 1 wherein said nozzle pipes have a caliber of less than 1 mm.
Claim 5
Dependent Claim 11 words
The aplparatus of claim 3, wherein the caliber is 0.2-0.6 mm.

References Cited (Backward Citations)

CA594104A Cited
US1409259A Cited
US1883615A Cited
US3968936A Cited
US4098462A Cited
JPS5987077A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1990-04-13 1990-10-13 1991-04-14 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1994-04-13 1994-10-13 1995-04-14 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1998-04-13 1998-10-13 1999-04-14 $7700.00 Window Closed / Lapsed

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