US3342453A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Stop valve
Assignee: Koltek Oy
•
Filing: 1964-08-12
•
Granted: 1967-09-19
•
Expires: 1984-08-12
Abstract
No abstract record available.
Inventors
- 👤 Soila Jouko Viljami
- 👤 Niskanen Erkki Pietari
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 03:19
CPC Classifications
F; F16; F16K; F16K5/00; F16K5/08; F16K5/14; F16K5/18; F16K5/184; F16K5/04; F16K5/0457; F16K5/0478; F16K5/185
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
183 words
A STOP VALVE COMPRISING A VALVE HOUSING WITH AT LEAST TWO THROUGH PASSAGES, A CENTRAL VALVE ROD PIVOTALLY MOUNTED IN THE VALVE HOUSING, SAID VALVE ROD HAVING A CAVITY THEREIN, A STOPPING ORGAN SLIDABLY MOUNTED IN THE VALVE HOUSING FOR RADIAL MOVEMENT FOR CLOSING A SELECTED ONE OF THE THROUGH PASSAGES, SAID STOPPING ORGAN INCLUDING A PORTION SLIDABLY MOUNTED COAXIALLY IN THE VALVE THE VALVE ROD, A WEDGE PIN MOUNTED COAXIALLY IN THE VALVE ROD FOR AXIAL ADJUSTMENT THEREIN, SAID WEDGE PIN HAVING A LOWER END WITH AN INCLINED SURFACE EXPOSED IN SAID CAVITY OF THE VALVE ROD, A SEPARATE MEMBER SLIDABLY MOUNTED IN SAID CAVITY, THE LATTER SAID SEPARATE MEMBER HAVING A SURFACE WITH AN INCLINATION CORRESPONDING TO THAT OF THE WEDGE PIN AND IN CONTACT THEREWITH, AND ELASTIC MEANS IN SAID CAVITY BETWEEN THE STOPPING ORGAN AND SAID SEPARATE MEMBER URGING SAID STOPPING ORGAN RADIALLY OUTWARDS AND THE SEPARATE MEMBER AGAINST THE WEDGE PIN WHEREBY THE MAGNITUDE OF THE FORCE OF THE ELASTIC MEANS ACTING ON THE STOPPING ORGAN IS ADJUSTABLE BY DISPLACEMENT OF THE WEDGE PIN IN THE VALVE ROD.
Claim 2
Dependent Claim
183 words
A STOP VALVE COMPRISING A VALVE HOUSING WITH AT LEAST TWO THROUGH PASSAGES, A CENTRAL VALVE ROD PIVOTALLY MOUNTED IN THE VALVE HOUSING, SAID VALVE ROD HAVING A CAVITY THEREIN, A STOPPING ORGAN SLIDABLY MOUNTED IN THE VALVE HOUSING FOR RADIAL MOVEMENT FOR CLOSING A SELECTED ONE OF THE THROUGH PASSAGES, SAID STOPPING ORGAN INCLUDING A PORTION SLIDABLY MOUNTED COAXIALLY IN THE VALVE THE VALVE ROD, A WEDGE PIN MOUNTED COAXIALLY IN THE VALVE ROD FOR AXIAL ADJUSTMENT THEREIN, SAID WEDGE PIN HAVING A LOWER END WITH AN INCLINED SURFACE EXPOSED IN SAID CAVITY OF THE VALVE ROD, A SEPARATE MEMBER SLIDABLY MOUNTED IN SAID CAVITY, THE LATTER SAID SEPARATE MEMBER HAVING A SURFACE WITH AN INCLINATION CORRESPONDING TO THAT OF THE WEDGE PIN AND IN CONTACT THEREWITH, AND ELASTIC MEANS IN SAID CAVITY BETWEEN THE STOPPING ORGAN AND SAID SEPARATE MEMBER URGING SAID STOPPING ORGAN RADIALLY OUTWARDS AND THE SEPARATE MEMBER AGAINST THE WEDGE PIN WHEREBY THE MAGNITUDE OF THE FORCE OF THE ELASTIC MEANS ACTING ON THE STOPPING ORGAN IS ADJUSTABLE BY DISPLACEMENT OF THE WEDGE PIN IN THE VALVE ROD.
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) | 1970-09-18 | 1971-03-20 | 1971-09-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-09-18 | 1975-03-20 | 1975-09-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-09-18 | 1979-03-20 | 1979-09-19 | $7700.00 | Window Closed / Lapsed |