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US3659349A Expired / Lapsed US ⏱️ 0.0 years remaining

Drying cylinder

Assignee: Tampella Oy AB
•
Filing: 1969-11-26
•
Granted: 1972-05-02
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Expires: 1989-11-26
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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 15:18
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)

US267666A Cited
US1594718A Cited
US1715677A Cited
US2384078A Cited
GB839761A Cited
US3047274A Cited
US3299531A Cited

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

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