US3214201A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Pipe flange
Assignee: Ceilcote Co Inc
•
Filing: 1962-05-29
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Granted: 1965-10-26
•
Expires: 1982-05-29
Abstract
No abstract record available.
Inventors
- 👤 Anton F Fonda
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 03:49
CPC Classifications
F; F16; F16L; F16L47/00; F16L47/14; F16L23/00; F16L23/02; Y; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/49428
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
187 words
A JOINT FOR SECURING TWO FLUID CARRIER MEANS IN FLUIDTIGHT RELATION COMPRISING A PAIR OF FLUID CARRIER MEANS; CIRCUMFERENTIALLY CONTINUOUS RADIAL FLANGES CARRIED BY SAID CARRIER MEANS; SAID FLANGES HAVING ADJACENT, OPPOSED FACES; EACH SAID FACE HAVING A MEAN RADIUS THEREOF DISPOSED AT AN ACUTE ANGLE RELATIVE TO THE LONGITUDINAL AXIS OF ITS ASSOCIATED FLANGE, THE APEX OF SAID ANGLE BEING DIRECTED TOWARD SAID AXIS; THE RADIALLY INWARD EDGE OF EACH SAID FLANGE COMPRISING A FIRST FULCRUM POINT; AT LEAST ONE ADDITIONAL CIRCUMFERENTIALLY CONTINUOUS FULCRUM EDGE FORMED IN EACH SAID FLANGE AND PROJECTING AXIALLY AWAY FROM EACH SAID FACE; SAID EDGES OF EACH SAID FLANGE DISPOSED IN A PLANE WHICH IS NORMAL TO THE AXIS OF THE ASSOCIATED FLANGE; EACH CIRCUMFERENTIALLY CONTINUOUS SURFACE FILAMENT OF EACH FLANGE FACE AREA, LOCATED BETWEEN SAID EDGES AND BETWEEN THE RADIALLY OUTERMOST EDGE OF THE PERIPHERY OF EACH SAID FLANGE, BEING AXIALLY INSET FROM THE NEXT ADJACENT RADIALLY INWARDLY LOCATED FILAMENT; MEANS TO DRAW SAID FLANGES TOGETHER; AND A GASKET INTERPOSED BETWEEN SAID FLANGES WHEREBY EACH CIRCUMFERENTIAL EDGE FORMS A STRESS CONCENTRATION AREA WHEN THE FLANGES ARE DRAWN TOWARD EACH OTHER.
Claim 2
Dependent Claim
187 words
A JOINT FOR SECURING TWO FLUID CARRIER MEANS IN FLUIDTIGHT RELATION COMPRISING A PAIR OF FLUID CARRIER MEANS; CIRCUMFERENTIALLY CONTINUOUS RADIAL FLANGES CARRIED BY SAID CARRIER MEANS; SAID FLANGES HAVING ADJACENT, OPPOSED FACES; EACH SAID FACE HAVING A MEAN RADIUS THEREOF DISPOSED AT AN ACUTE ANGLE RELATIVE TO THE LONGITUDINAL AXIS OF ITS ASSOCIATED FLANGE, THE APEX OF SAID ANGLE BEING DIRECTED TOWARD SAID AXIS; THE RADIALLY INWARD EDGE OF EACH SAID FLANGE COMPRISING A FIRST FULCRUM POINT; AT LEAST ONE ADDITIONAL CIRCUMFERENTIALLY CONTINUOUS FULCRUM EDGE FORMED IN EACH SAID FLANGE AND PROJECTING AXIALLY AWAY FROM EACH SAID FACE; SAID EDGES OF EACH SAID FLANGE DISPOSED IN A PLANE WHICH IS NORMAL TO THE AXIS OF THE ASSOCIATED FLANGE; EACH CIRCUMFERENTIALLY CONTINUOUS SURFACE FILAMENT OF EACH FLANGE FACE AREA, LOCATED BETWEEN SAID EDGES AND BETWEEN THE RADIALLY OUTERMOST EDGE OF THE PERIPHERY OF EACH SAID FLANGE, BEING AXIALLY INSET FROM THE NEXT ADJACENT RADIALLY INWARDLY LOCATED FILAMENT; MEANS TO DRAW SAID FLANGES TOGETHER; AND A GASKET INTERPOSED BETWEEN SAID FLANGES WHEREBY EACH CIRCUMFERENTIAL EDGE FORMS A STRESS CONCENTRATION AREA WHEN THE FLANGES ARE DRAWN TOWARD EACH OTHER.
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) | 1968-10-25 | 1969-04-26 | 1969-10-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-10-25 | 1973-04-26 | 1973-10-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-10-25 | 1977-04-26 | 1977-10-26 | $7700.00 | Window Closed / Lapsed |