US3376897A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Pipe branch piece
Assignee: Sulzer Escher Wyss AG
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Filing: 1967-07-31
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Granted: 1968-04-09
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Expires: 1987-07-31
Abstract
No abstract record available.
Inventors
- 👤 Dolder Guido
- 👤 Meystre Noel
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 13:07
CPC Classifications
F; F16; F16L; F16L41/00; F16L41/02; F16L41/023; Y; Y10; Y10T; Y10T137/00; Y10T137/8593; Y10T137/877
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
176 words
IN COMBINATION A PRESSURE LINE COMPRISING A MAIN PIPE, AT LEAST TWO PIPES OF SMALLER DIAMETER, AND A BRANCH PIECE CONSISTING OF A PIPE LEG OF LARGE DIAMETER CONNECTED TO SAID MAIN PIPE AND AT LEAST TWO PIPE LEGS OF SMALLER DIAMETER EACH CONNECTED TO ONE OF SAID PIPES OF SMALLER DIAMETER, SAID PIPE LEGS HAVING ADJOINING PIPE ELEMENTS TOUCHING A COMMON IMAGINARY SPHARE AND WIDENING CONICALLY TOWARD SAID IMAGINARY SPHERE; SAID ADJOINING PIPE ELEMENT OF SAID PIPE LEG OF LARGE DIAMETER HAVING AN APERTURE ANGLE OF BETWEEN 8* AND 15*, SAID PIPE LEG OF LARGE DIAMETER INCLUDING A SECOND PIPE ELEMENT WIDENING CONICALLY TOWARD SAID IMAGINARY SPHERE, HAVING AN APERTURE ANGLE OF 5* AT MOST, AND INTERCONNECTING SAID ADJOINING PIPE ELEMENT AND SAID MAIN PIPE; A REINFORCING GUSSET PROVIDED IN THE INTERIOR OF THE PIPE BRANCH SO AS TO EXTEND ALONG THE JUNCTION LINE BETWEEN THE ADJOINING PIPE ELEMENTS OF THE PIPE LEGS OF SMALLER DIAMETER; AND SAID IMAGINARY SPHERE HAVING A DIAMETER WHICH IS AT LEAST 1.15 TIMES THE DIAMETER OF THE MAIN PIPE.
Claim 2
Dependent Claim
176 words
IN COMBINATION A PRESSURE LINE COMPRISING A MAIN PIPE, AT LEAST TWO PIPES OF SMALLER DIAMETER, AND A BRANCH PIECE CONSISTING OF A PIPE LEG OF LARGE DIAMETER CONNECTED TO SAID MAIN PIPE AND AT LEAST TWO PIPE LEGS OF SMALLER DIAMETER EACH CONNECTED TO ONE OF SAID PIPES OF SMALLER DIAMETER, SAID PIPE LEGS HAVING ADJOINING PIPE ELEMENTS TOUCHING A COMMON IMAGINARY SPHARE AND WIDENING CONICALLY TOWARD SAID IMAGINARY SPHERE; SAID ADJOINING PIPE ELEMENT OF SAID PIPE LEG OF LARGE DIAMETER HAVING AN APERTURE ANGLE OF BETWEEN 8* AND 15*, SAID PIPE LEG OF LARGE DIAMETER INCLUDING A SECOND PIPE ELEMENT WIDENING CONICALLY TOWARD SAID IMAGINARY SPHERE, HAVING AN APERTURE ANGLE OF 5* AT MOST, AND INTERCONNECTING SAID ADJOINING PIPE ELEMENT AND SAID MAIN PIPE; A REINFORCING GUSSET PROVIDED IN THE INTERIOR OF THE PIPE BRANCH SO AS TO EXTEND ALONG THE JUNCTION LINE BETWEEN THE ADJOINING PIPE ELEMENTS OF THE PIPE LEGS OF SMALLER DIAMETER; AND SAID IMAGINARY SPHERE HAVING A DIAMETER WHICH IS AT LEAST 1.15 TIMES THE DIAMETER OF THE MAIN PIPE.
References Cited (Backward Citations)
DE1150847B
Cited
DE1192891B
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-04-09 | 1971-10-09 | 1972-04-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-04-09 | 1975-10-09 | 1976-04-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-04-09 | 1979-10-09 | 1980-04-09 | $7700.00 | Window Closed / Lapsed |