US3359017A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Pipe coupling of corrugated shield type
Assignee: Parker Hannifin Corp
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Filing: 1967-03-01
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Granted: 1967-12-19
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Expires: 1987-03-01
Abstract
No abstract record available.
Inventors
- 👤 Erwin L Schaub
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 19:03
CPC Classifications
F; F16; F16L; F16L21/00; F16L21/002; F16L21/005; Y; Y10; Y10T; Y10T24/00; Y10T24/14; Y10T24/1412; Y10T24/1427
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
119 words
AN IMPROVED PIPE COUPLING OF THE TYPE COMPRISING AN ANNULAR GASKET TO FIT OVER ADJACENT PIPE ENDS, A SHIELD OF CORRUGATED SHEET MATERIAL TO ENCOMPASS SAID GASKET WITH ENDS OF THE SHIELD OVERLAPPING, THE SHIELD CORRUGATIONS EXTENDING IN AXIAL DIRECTION, AND CLAMPING MEANS INCLUDING BANDS ENCIRCLING SAID SHIELD AN AXIALLY SPACED LOCATIONS THEREON AND EACH CARRYING ON ONE END PORTION OF THE BAND A TIGHTENING DEVICE RECEIVING AND FOR DRAWING THE OTHER END OF THE BAND THERETHROUGH IN LAPPING RELATION TO SAID ONE END WHEREBY THE BANDS ARE CONTRACTIBLE CIRCUMFERENTIALLY TO CONTRACT THE SHIELD SO THAT IT WILL COMPRESS AND SEAL THE GASKET AGAINST THE PIPE ENDS, WHEREIN THE LAPPING END OF SAID SHIELD LEADS OVER THE LAPPED END
Claim 2
Dependent Claim
119 words
AN IMPROVED PIPE COUPLING OF THE TYPE COMPRISING AN ANNULAR GASKET TO FIT OVER ADJACENT PIPE ENDS, A SHIELD OF CORRUGATED SHEET MATERIAL TO ENCOMPASS SAID GASKET WITH ENDS OF THE SHIELD OVERLAPPING, THE SHIELD CORRUGATIONS EXTENDING IN AXIAL DIRECTION, AND CLAMPING MEANS INCLUDING BANDS ENCIRCLING SAID SHIELD AN AXIALLY SPACED LOCATIONS THEREON AND EACH CARRYING ON ONE END PORTION OF THE BAND A TIGHTENING DEVICE RECEIVING AND FOR DRAWING THE OTHER END OF THE BAND THERETHROUGH IN LAPPING RELATION TO SAID ONE END WHEREBY THE BANDS ARE CONTRACTIBLE CIRCUMFERENTIALLY TO CONTRACT THE SHIELD SO THAT IT WILL COMPRESS AND SEAL THE GASKET AGAINST THE PIPE ENDS, WHEREIN THE LAPPING END OF SAID SHIELD LEADS OVER THE LAPPED END
References Cited (Backward Citations)
US3233922A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-12-18 | 1971-06-19 | 1971-12-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-12-18 | 1975-06-19 | 1975-12-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-12-18 | 1979-06-19 | 1979-12-19 | $7700.00 | Window Closed / Lapsed |