US3799112A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Vat device for the treatment of articles in a fluidified medium
Assignee: SOMIP
•
Filing: 1971-10-26
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Granted: 1974-03-26
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Expires: 1991-10-26
Abstract
Abstract Vat device for the treatment of articles in a fluidified medium, adapted to perform the coating of various articles with a view to carrying out any appropriate surface treatment comprising an open-top vat having at least one substantially horizontal spraying pipe provided in the upper portion of the vat in proximity to a wall thereof, the said spraying pipe ejecting into the vat a thin and substantially horizontal layer of fluidified powder.
Inventors
- 👤 A Huteaux
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 06:52
CPC Classifications
B; B05; B05C; B05C19/00; B05C19/02; B05C19/025; Y; Y10; Y10S; Y10S118/00; Y10S118/05
Claims Analysis
Total Claims: 9
Claim 1
Independent Claim
103 words
Vat device for surface treatment of articles in a fluidized medium, comprising a container having at least one horizontal spray pipe adjacent the upper end portion of the container and in proximity to a side wall thereof, said container being formed at its bottom portion with a channel, means for supplying powder to said channel, fluid supply means for supplying a fluid within said channel to fluidize said powder therein, conduit means interconnecting said spray device with said channel, and drive means cooperating with said conduit means for driving said fluidized powder from said channel to said spray pipe through said conduit means.
Claim 2
Dependent Claim
103 words
Vat device for surface treatment of articles in a fluidized medium, comprising a container having at least one horizontal spray pipe adjacent the upper end portion of the container and in proximity to a side wall thereof, said container being formed at its bottom portion with a channel, means for supplying powder to said channel, fluid supply means for supplying a fluid within said channel to fluidize said powder therein, conduit means interconnecting said spray device with said channel, and drive means cooperating with said conduit means for driving said fluidized powder from said channel to said spray pipe through said conduit means.
Claim 3
Dependent Claim
19 words
A device according to claim 1, comprising a powder reservoir from which the powder falls into the said channel.
Claim 4
Dependent Claim
32 words
A device according to claim 1, wherein said drive means comprises a source of air injected into supply ducts, said air by Venturi effect driving said fluidized powder to said spray pipe.
Claim 5
Dependent Claim
36 words
A device according to claim 1, wherein said channel is defined at its upper end by an inclined porous wall through which powder from the spray pipe may pass should such powder reach said porous wall.
Claim 6
Dependent Claim
38 words
A device according to claim 1, wherein said container is substantially in the shape of a right-angled parallelpiped structure, two spray pipes being provided in substantially confronting relation, each being disposed adjacent a side wall of the container.
Claim 7
Dependent Claim
48 words
A device according to claim 5, comprising a gutter-shaped powder-sucking channel at the upper bounds of the container which is open for preventing overflow, suction means for removing excess powder through said sucking channel, and a recovering device connected to said suction means for recovering said excess powder.
Claim 8
Dependent Claim
21 words
Treatment vat device according to claim 6, wherein the said gutter-shaped channel is provided in the upper portion of the vat.
Claim 9
Dependent Claim
18 words
Treatment vat device according to claim 5, wherein the said spraying pipes are connected to a high-voltage generator.
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) | 1977-03-25 | 1977-09-24 | 1978-03-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1981-03-25 | 1981-09-24 | 1982-03-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1985-03-25 | 1985-09-24 | 1986-03-26 | $7700.00 | Window Closed / Lapsed |