US3101207A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process for the production of gas-tight tube connections
Assignee: Henkel AG and Co KGaA
•
Filing: 1959-07-23
•
Granted: 1963-08-20
•
Expires: 1979-07-23
Abstract
No abstract record available.
Inventors
- 👤 Pavel Werther
- 👤 Kohler Rudolf
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 01:31
CPC Classifications
F; F16; F16L; F16L15/00; F16L15/04; Y; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/49826; Y10T29/49885; Y10T428/00; Y10T428/29
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
90 words
A GAS-TIGHT AND READILY SEPARABLE THREADED TUBE CONNECTION COMPRISING THREADED TUBES HAVING ON THE THREADS OF AT LEAST ONE OF THE TUBES AND ADHERENT HARDENED LAYER OF A FLUENT FORM SYNTHETIC POLYMERIZED RESIN WHICH HARDNES TO A HARDNESS OF 50 TO 1000 KG./CM.2 WITHOUT GIVING OFF VOLATILE COMPONENTS, SAID HARDENED LAYER HAVING BEEN HARDENED AFTER APPLICATION TO SAID THREADS AND PRIOR TO JOINING, TO A HARDENESS SUFFICIENT TO PERMIT READY JOINING AND SEPARATING OF SAID THREADED CONNECTIONS, WHILE MAINTAINING SUFFICIENT ELASTICITY OF SAID RESIN TO MAKE SAID THREADED CONNECTIONS GAS-TIGHT.
Claim 2
Dependent Claim
90 words
A GAS-TIGHT AND READILY SEPARABLE THREADED TUBE CONNECTION COMPRISING THREADED TUBES HAVING ON THE THREADS OF AT LEAST ONE OF THE TUBES AND ADHERENT HARDENED LAYER OF A FLUENT FORM SYNTHETIC POLYMERIZED RESIN WHICH HARDNES TO A HARDNESS OF 50 TO 1000 KG./CM.2 WITHOUT GIVING OFF VOLATILE COMPONENTS, SAID HARDENED LAYER HAVING BEEN HARDENED AFTER APPLICATION TO SAID THREADS AND PRIOR TO JOINING, TO A HARDENESS SUFFICIENT TO PERMIT READY JOINING AND SEPARATING OF SAID THREADED CONNECTIONS, WHILE MAINTAINING SUFFICIENT ELASTICITY OF SAID RESIN TO MAKE SAID THREADED CONNECTIONS GAS-TIGHT.
References Cited (Backward Citations)
US1141151A
Cited
US2335958A
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US2430479A
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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) | 1966-08-19 | 1967-02-18 | 1967-08-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-08-19 | 1971-02-18 | 1971-08-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-08-19 | 1975-02-18 | 1975-08-20 | $7700.00 | Window Closed / Lapsed |