US4808767A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Flexible hose assembly for diving suits
Assignee: Individual
•
Filing: 1987-11-18
•
Granted: 1989-02-28
•
Expires: 2007-11-18
Abstract
Abstract There is disclosed a flexible hose for supplying air to persons wearing diving suits or the like protecting garments and working in dangerous water or air environments, including data communication lines for transmitting and receiving voice and measurement data. The flexible hose comprises a tube like element in the wall of which there is embedded a metal coil thereon there are wound electric or telephonic cables which are embedded in a rubber layer and encompassed by an antitearing fabric layer and an antiabrasive rubber outer layer.
Inventors
- 👤 Giuseppe Colbachini
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 20:28
CPC Classifications
B; B63; B63C; B63C11/00; B63C11/02; B63C11/18; F; F16; F16L; F16L11/00; F16L11/04; F16L11/12
Claims Analysis
Total Claims: 3
Claim 1
Independent Claim
131 words
A flexible hose for supplying air to persons wearing diving suits or the like protecting garments comprising: a resilient tube-like core element; a metal coil embedded in the wall of said tube-like core element; a sublayer made of an odorless mixture lining said tube-like core element; a first reinforcing fabric layer disposed between said sublayer and said tube-like core element; a rubber layer encompassing said tube-like core element having electric cables wound and embedded therein; a second reinforcing fabric layer disposed between said resilient tube-like core element and said rubber layer; an anti-abrasive rubber layer encompassing said anti-tear fabric layer; and wherein said electric cables have respective free ends projecting at given spaced locations from said flexible hose from said rubber layer through said anti-tear fabric layer and said anti-abrasive layer.
Claim 2
Dependent Claim
131 words
A flexible hose for supplying air to persons wearing diving suits or the like protecting garments comprising: a resilient tube-like core element; a metal coil embedded in the wall of said tube-like core element; a sublayer made of an odorless mixture lining said tube-like core element; a first reinforcing fabric layer disposed between said sublayer and said tube-like core element; a rubber layer encompassing said tube-like core element having electric cables wound and embedded therein; a second reinforcing fabric layer disposed between said resilient tube-like core element and said rubber layer; an anti-abrasive rubber layer encompassing said anti-tear fabric layer; and wherein said electric cables have respective free ends projecting at given spaced locations from said flexible hose from said rubber layer through said anti-tear fabric layer and said anti-abrasive layer.
Claim 3
Dependent Claim
38 words
A flexible hose according to claim 1 wherein said flexible hose includes at least one end and is provided, at said at least one end, with a "projecting" rubber washer which is vulcanized jointly with said flexible hose.
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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) | 1992-02-28 | 1992-08-29 | 1993-02-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1996-02-28 | 1996-08-29 | 1997-02-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2000-02-28 | 2000-08-29 | 2001-02-28 | $7700.00 | Window Closed / Lapsed |