Patent US3490479A successfully refreshed from Google Patents.
US3558754A
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Process of manufacturing hose pipes
Assignee: Eau et Feu SA
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Filing: 1968-02-27
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Granted: 1971-01-26
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Expires: 1988-02-27
Abstract
Abstract METHOD OF HOSE MANUFACTURE WHICH CONSISTS IN INTRODUCING INTO A TEXILE JAKCET AN IMPERMEABLE LINING TUBE HAVING A COMPOSITE FLOWABLE SURFACE LAYER, AND THEN SUBJECTING THE ASSEMBLY TO INTERNAL PRESSURE AND TO HEAT FOLLOWED BY EXTERNAL PRESSURE TO CAUSE THE OUTER PART OF THE SURFACE LAYER TO FORM FLEXIBLE SHEETS AROUND THE YARNS OF THE JACKET AND THE INNER PART OF THE SURFACE LAYER THEREAFTER TO EXUDE THROUGH THE OUTER PART TO FORM AN ABRASIONRESISTANT COVER ON THE HOSE.
Inventors
- 👤 Michel Martin
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 15:08
CPC Classifications
B; B29; B29D; B29D23/00; B29D23/001; B29C; B29C48/00; B29C48/15; B29C48/154; B29C48/25; B29C48/30; B29C48/304; B32; B32B; B32B1/00; B32B1/08; B32B25/00; B32B25/02; B32B25/04; B32B25/042; B32B25/08; B32B25/14; B32B25/16; B32B27/00; B32B27/34; B32B5/00; B32B5/02; B32B5/024; B32B5/026; F; F16; F16L; F16L11/00; F16L11/04; F16L11/08; F16L11/081; B29C48/03; B29C48/09; B29K; B29K2021/00; B29K2105/00; B29K2105/06; B32B2250/00; B32B2250/02; B32B2260/00; B32B2260/02; B32B2260/021; B32B2260/04; B32B2260/046; B32B2260/048; B32B2264/00; B32B2264/10; B32B2264/102; B32B2264/107; B32B2264/108; B32B2270/00; B32B2307/00; B32B2307/50; B32B2307/554; B32B2307/70; B32B2307/712; B32B2307/718; B32B2307/726; B32B2307/7265; B32B2307/732; B32B2597/00
Claims Analysis
Total Claims: 0
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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) | 1974-01-25 | 1974-07-27 | 1975-01-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-01-25 | 1978-07-27 | 1979-01-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-01-25 | 1982-07-27 | 1983-01-26 | $7700.00 | Window Closed / Lapsed |