Patent US3897003A successfully refreshed from Google Patents.
US3897003A
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US
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Blowout nozzle
Assignee: Protectoseal Co
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Filing: 1974-02-19
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Granted: 1975-07-29
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Expires: 1994-02-19
Abstract
Abstract An attachment to a means having compressed air for blowing out chips, metal fuzz and the like from the interior of a small bore, and doing so in a manner as to be injury-free to the user.
Inventors
- 👤 William J Zehr
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 11:30
CPC Classifications
B; B05; B05B; B05B1/00; B05B1/005; B05B1/02; B05B1/10; B05B1/28; B08; B08B; B08B5/00; B08B5/02
Claims Analysis
Total Claims: 7
Claim 1
Independent Claim
118 words
A blowout nozzle comprising a cylindrical housing having upper and lower walls, an upwardly extending, axially positioned shank integrally formed on the upper wall of said housing, an axial core extending downwardly from said housing, equi-distantly spaced vanes extending outwardly from said core and downwardly from the lower wall of said housing and inwardly of the periphery of said housing, the lower wall of said housing between each of said vanes having a cutout to form a dome-like shape, the diameter of the housing being greater than the width of the vanes, an axial aperture extending through said shank, housing and core, and a cylindrical sleeve covering said vanes and extending below the lower ends of said vanes.
Claim 2
Dependent Claim
118 words
A blowout nozzle comprising a cylindrical housing having upper and lower walls, an upwardly extending, axially positioned shank integrally formed on the upper wall of said housing, an axial core extending downwardly from said housing, equi-distantly spaced vanes extending outwardly from said core and downwardly from the lower wall of said housing and inwardly of the periphery of said housing, the lower wall of said housing between each of said vanes having a cutout to form a dome-like shape, the diameter of the housing being greater than the width of the vanes, an axial aperture extending through said shank, housing and core, and a cylindrical sleeve covering said vanes and extending below the lower ends of said vanes.
Claim 3
Dependent Claim
22 words
The device according to claim 1 wherein the aperture in said housing shank is larger than the communicating aperture in said core.
Claim 4
Dependent Claim
12 words
The device according to claim 2 wherein the shank is exteriorly threaded.
Claim 5
Dependent Claim
18 words
The device of claim 1 wherein the lower ends of said vanes are tapered to a thin edge.
Claim 6
Dependent Claim
22 words
The device according to claim 1 wherein the upper periphery of said sleeve is positioned below the lower wall of said housing.
Claim 7
Dependent Claim
35 words
The device according to claim 5 wherein the upper portions of said vanes is tapered upwardly to the periphery of the lower wall of said housing and the upper wall of said sleeve abuts thereagainst.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1978-07-28 | 1979-01-27 | 1979-07-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1982-07-28 | 1983-01-27 | 1983-07-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1986-07-28 | 1987-01-27 | 1987-07-29 | $7700.00 | Window Closed / Lapsed |