Patent US3223565A successfully refreshed from Google Patents.
US3223565A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of making heat resistant flexible hose
Assignee: THERMOID DIVISION
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Filing: 1963-08-05
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Granted: 1965-12-14
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Expires: 1983-08-05
Abstract
No abstract record available.
Inventors
- 👤 Harry E Fritz
- 👤 Raymond A Gallagher
- 👤 Frederick M Galloway
- 👤 Richard M Kerr
- 👤 Frank B Plumb
- 👤 Godfrey J Rittenhouse
- 👤 Robert H Sinnamon
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 19:22
CPC Classifications
F; F16; F16L; F16L11/00; F16L11/02; F16L11/04; F16L11/12; F16L11/125
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
152 words
THE METHOD OF MAKING A HEAT RESISTANT FLEXIBLE HOSE WHICH COMPRISES EXTRUDING AN UNCURED ELASTOMER SILICONE TUBE, AT LEAST PARTIALLY CURING SAID TUBE, DISPOSING THE TUBE ON A HOLLOW TUBULAR MANDREL, IMPREGNATING FABRIC OF TIRE CORD FABRIC WEAVE HAVING GLASS FIBER WARP YARNS AND POLYETHYLENE TEREPHTHALATE FILLER YARNS WITH AN UNCURED SILICONE ELASTOMER, WINDING A STRIP OF THE IMPREGNATED FABRIC HELICALLY ABOUT THE MANDRELL-MOUNTED TUBE WITH THE EDGES OF THE STRIP IN ABUTTING RELATION, WINDING THEREABOUT A SECOND LAYER OF LIKE FABRIC IN A CORRESPONDING HELIX OF OPPOSITE HAND, ENVELOPING THE SECOND IMPREGNATED FABRIC LAYER WITH A SILICONE ELASTOMER, BRAIDING A REINFORCING LAYER OF POLYETHYLENE TEREPHTHALATE YARNS THEREABOUT, SUBJECTING THE COMPONENTS ON THE MANDREL TO RADIALLY INWARD PRESSURE WHILE DIRECTING A HEATING MEDIUM INTO THE MANDREL TO THEREBY CURE THE ELASTOMERIC COMPONENTS OF THEHOSE AND SHRINK THE POLYETHYLENE TEREPHTHALATE COMPONENTS THEREOF, THEN RELIEVING SAID PRESSURE AND SEPARATING THE MANDREL FROM THE HOSE.
Claim 2
Independent Claim
152 words
THE METHOD OF MAKING A HEAT RESISTANT FLEXIBLE HOSE WHICH COMPRISES EXTRUDING AN UNCURED ELASTOMER SILICONE TUBE, AT LEAST PARTIALLY CURING SAID TUBE, DISPOSING THE TUBE ON A HOLLOW TUBULAR MANDREL, IMPREGNATING FABRIC OF TIRE CORD FABRIC WEAVE HAVING GLASS FIBER WARP YARNS AND POLYETHYLENE TEREPHTHALATE FILLER YARNS WITH AN UNCURED SILICONE ELASTOMER, WINDING A STRIP OF THE IMPREGNATED FABRIC HELICALLY ABOUT THE MANDRELL-MOUNTED TUBE WITH THE EDGES OF THE STRIP IN ABUTTING RELATION, WINDING THEREABOUT A SECOND LAYER OF LIKE FABRIC IN A CORRESPONDING HELIX OF OPPOSITE HAND, ENVELOPING THE SECOND IMPREGNATED FABRIC LAYER WITH A SILICONE ELASTOMER, BRAIDING A REINFORCING LAYER OF POLYETHYLENE TEREPHTHALATE YARNS THEREABOUT, SUBJECTING THE COMPONENTS ON THE MANDREL TO RADIALLY INWARD PRESSURE WHILE DIRECTING A HEATING MEDIUM INTO THE MANDREL TO THEREBY CURE THE ELASTOMERIC COMPONENTS OF THEHOSE AND SHRINK THE POLYETHYLENE TEREPHTHALATE COMPONENTS THEREOF, THEN RELIEVING SAID PRESSURE AND SEPARATING THE MANDREL FROM THE HOSE.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-12-13 | 1969-06-14 | 1969-12-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-12-13 | 1973-06-14 | 1973-12-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-12-13 | 1977-06-14 | 1977-12-14 | $7700.00 | Window Closed / Lapsed |