US3849831A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Air dryer equipment
Assignee: ELECTROVERT USA CORPA CORP OF DE
•
Filing: 1972-12-20
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Granted: 1974-11-26
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Expires: 1992-12-20
Abstract
Abstract An air dryer for automatically drying mass production items after their being processed through wash and rinse sections. The dryer includes an air knife capable of directing a concentrated uniform blast of air at the production items being dried as they pass through the air knife section of a conveyor line.
Inventors
- 👤 W Deverter
- 👤 J Lamberty
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 13:59
CPC Classifications
A; A47; A47L; A47L15/00; A47L15/42; A47L15/48; A47L15/486; A47L15/24; A47L15/247; F; F26; F26B; F26B21/00; F26B21/50; F26B21/55; H; H05; H05K; H05K3/00; H05K3/22; H05K3/227
Claims Analysis
Total Claims: 8
Claim 1
Independent Claim
79 words
An air knife for use in directing a uniform stream of air against an article to be dried, said air knife comprising a rectangular parallelepiped shaped chamber, a series of apertures along one of the longitudinal angular corners of said parallelepiped shaped chamber, and means for supplying air under pressure to said chamber at an angle to said apertures so that said air is uniformly dispersed through said apertures at products to be dried passing proximate to said apertures.
Claim 2
Dependent Claim
79 words
An air knife for use in directing a uniform stream of air against an article to be dried, said air knife comprising a rectangular parallelepiped shaped chamber, a series of apertures along one of the longitudinal angular corners of said parallelepiped shaped chamber, and means for supplying air under pressure to said chamber at an angle to said apertures so that said air is uniformly dispersed through said apertures at products to be dried passing proximate to said apertures.
Claim 3
Dependent Claim
79 words
An air knife for use in directing a uniform stream of air against an article to be dried, said air knife comprising a rectangular parallelepiped shaped chamber, a series of apertures along one of the longitudinal angular corners of said parallelepiped shaped chamber, and means for supplying air under pressure to said chamber at an angle to said apertures so that said air is uniformly dispersed through said apertures at products to be dried passing proximate to said apertures.
Claim 4
Dependent Claim
79 words
An air knife for use in directing a uniform stream of air against an article to be dried, said air knife comprising a rectangular parallelepiped shaped chamber, a series of apertures along one of the longitudinal angular corners of said parallelepiped shaped chamber, and means for supplying air under pressure to said chamber at an angle to said apertures so that said air is uniformly dispersed through said apertures at products to be dried passing proximate to said apertures.
Claim 5
Dependent Claim
117 words
The power wash cleaning system of claim 2 wherein the means for supplying air to the chamber includes coupling means for joining the means for supplying air to the chamber, said coupling means comprising an air entry opening at one end of said chamber, said opening surrounded by a pipe threaded section, said means for supplying air under pressure comprising pump means, air filter means at the input to said pump means, said pump means discharging into a scroll compartment, said scroll compartment discharging into duct means, and the end of said duct means being aligned with the longitudinal axis of said chamber and having mating pipe threads for receiving said pipe threaded section of said chamber.
Claim 6
Dependent Claim
15 words
The power wash cleaning system of claim 2 wherein said apertures are of varied sizes.
Claim 7
Dependent Claim
16 words
The power wash cleaning system of claim 2 wherein said apertures are of the same size.
Claim 8
Dependent Claim
19 words
The power wash cleaning system of claim 2 wherein said apertures are the same size and are evenly spaced.
References Cited (Backward Citations)
US862695A
Cited
US1771558A
Cited
US2499572A
Cited
US2818595A
Cited
US2713011A
Cited
US3498303A
Cited
US3525116A
Cited
US3570505A
Cited
US3751756A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1977-11-25 | 1978-05-27 | 1978-11-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1981-11-25 | 1982-05-27 | 1982-11-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1985-11-25 | 1986-05-27 | 1986-11-26 | $7700.00 | Window Closed / Lapsed |