Patent US3659349A successfully refreshed from Google Patents.
US3659349A
Expired / Lapsed
US
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Drying cylinder
Assignee: Tampella Oy AB
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Filing: 1969-11-26
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Granted: 1972-05-02
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Expires: 1989-11-26
Abstract
Abstract A drying cylinder in which the inside of the mantle or at least its end portions have circumferential grooves for collecting condensate. The inlet of a condensate drain pipe is placed in each groove and the pipes have been joined to a common condensate collecting pipe having adjustment means for regulating the amount of condensate from the drain pipes. The condensate collecting pipe is further connected to a condensate draining system of the cylinder.
Inventors
- 👤 Erik A Nykopp
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 17:41
CPC Classifications
F; F26; F26B; F26B13/00; F26B13/10; F26B13/14; F26B13/18; F26B13/183; Y; Y10; Y10T; Y10T137/00; Y10T137/8593; Y10T137/86493; Y10T137/86815; Y10T137/86823
Claims Analysis
Total Claims: 4
Claim 1
Independent Claim
88 words
In a drying cylinder, said cylinder having: a plurality of circumferential condensate collection grooves on the inner surface of the mantle of said cylinder; a plurality of condensate removing means inside said cylinder, each condensate removing means having an inlet and an outlet, eacH said inlet communicating with a groove; a common condensate collection means communicating with each outlet of said condensate removing means; and an outlet control means disposed within said common condensate collection means for separately controlling the amount of condensate passing through each respective outlet.
Claim 2
Dependent Claim
88 words
In a drying cylinder, said cylinder having: a plurality of circumferential condensate collection grooves on the inner surface of the mantle of said cylinder; a plurality of condensate removing means inside said cylinder, each condensate removing means having an inlet and an outlet, eacH said inlet communicating with a groove; a common condensate collection means communicating with each outlet of said condensate removing means; and an outlet control means disposed within said common condensate collection means for separately controlling the amount of condensate passing through each respective outlet.
Claim 3
Dependent Claim
25 words
The drying cylinder as defined in claim 1 wherein said outlet control means comprises a turnable adjustment means disposed within said common condensate collection means.
Claim 4
Dependent Claim
39 words
The drying cylinder as defined in claim 1 wherein said common condensate collection means is cylindrically shaped and said outlet control means comprises a turnable cylinder disposed within said collection means, said turnable cylinder having an oblique cut therethrough.
References Cited (Backward Citations)
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1975-05-02 | 1975-11-01 | 1976-05-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1979-05-02 | 1979-11-01 | 1980-05-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1983-05-02 | 1983-11-01 | 1984-05-02 | $7700.00 | Window Closed / Lapsed |