US3668905A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus for continuously humidifying moving webs of paper, fabric, or other materials
Assignee: Joh Kleinewefers Soehne KG
•
Filing: 1970-09-14
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Granted: 1972-06-13
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Expires: 1990-09-14
Abstract
Abstract An apparatus for humidifying a moving web of material, especially of paper and fabric, in a continuous manner in which the web to be humidified is passed through housing means and above the humidifying liquid and ultrasonic oscillating means atomizing the liquid.
Inventors
- 👤 Jurgen Schlunke
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 18:13
CPC Classifications
D; D21; D21G; D21G7/00
Claims Analysis
Total Claims: 6
Claim 1
Independent Claim
104 words
An apparatus for humidifying a moving web of material, especially of paper and fabric, in a continuous manner, which includes: housing means having a portion thereof adapted to receive a liquid to be atomized, ultrasonic oscillating means located in said housing means for atomizing liquid in said housing portion, said housing means being provided with inlet and outlet means arranged in spaced relationship to said ultrasonic means and above said housing portion for passing the web to be humidified therethrough and through said housing means, and means for directing atomized liquid within said housing means onto web portions being moved through said housing means.
Claim 2
Independent Claim
104 words
An apparatus for humidifying a moving web of material, especially of paper and fabric, in a continuous manner, which includes: housing means having a portion thereof adapted to receive a liquid to be atomized, ultrasonic oscillating means located in said housing means for atomizing liquid in said housing portion, said housing means being provided with inlet and outlet means arranged in spaced relationship to said ultrasonic means and above said housing portion for passing the web to be humidified therethrough and through said housing means, and means for directing atomized liquid within said housing means onto web portions being moved through said housing means.
Claim 3
Dependent Claim
21 words
An apparatus according to claim 1, in which said means for directing atomized liquid onto web portions includes a suction device.
Claim 4
Dependent Claim
101 words
An apparatus according to claim 1, in which said housing means includes two housings arranged one behind the other, each housing being provided with ultrasonic oscillating means and a housing portion adapted to receive liquid to be atomized and also with inlet and outlet means for passing the web to be humidified therethrough, said apparatus also including turning means interposed between said two housings for turning the web to be humidified by 180* so that the web surface which in the first housing face toward said ultrasonic oscillating means will in the second housing face away from said ultrasonic oscillating means.
Claim 5
Dependent Claim
39 words
An apparatus according to claim 3, in which said turning means is formed by two rollers having their axes arranged at approximately 90* with regard to the plane of the web portion to be humidified when in said housings.
Claim 6
Dependent Claim
37 words
An apparatus according to claim 3, in which said turning means includes two rollers having their axes spaced from each other and substantially parallel to the plane of the web to be humidified while in said housings.
References Cited (Backward Citations)
US2726166A
Cited
US3079699A
Cited
US3066686A
Cited
US3158886A
Cited
US3318013A
Cited
US3350734A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1975-06-13 | 1975-12-13 | 1976-06-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1979-06-13 | 1979-12-13 | 1980-06-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1983-06-13 | 1983-12-13 | 1984-06-13 | $7700.00 | Window Closed / Lapsed |