US3370115A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of manufacturing a hose
Assignee: George Angus and Co Ltd
•
Filing: 1963-07-31
•
Granted: 1968-02-20
•
Expires: 1983-07-31
Abstract
No abstract record available.
Inventors
- 👤 Wood Frank Derek
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 11:50
CPC Classifications
B; B29; B29D; B29D23/00; B29D23/001; B29C; B29C49/00; B29C49/24; B29C49/26; B29C63/00; B29C63/0065; B29C63/0069; F; F16; F16L; F16L11/00; F16L11/02; B29K; B29K2021/00; B29K2105/00; B29K2105/06
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
142 words
A METHOD OF MANUFACTURING A HOSE, WHICH COMPRISES THE STEPS OF INTRODUCING INTO A TUBULAR TEXTILE JACKET A LINING TUBE OF EXPNDABLE THERMOPLASTIC MATERIAL, SAID LINING TUBE COMPRISING INNER AND OUTER LAYERS, SAID OUTER LAYER HAVING THE CAPACITY FOR FLOWING MORE READILY WHEN SUBJECTED TO PRESSURE AND HEAT THAN THE INNER LAYER OF SAID LINING TUBE, APPLYING HEAT AND INTERNAL PRESSURE TO SAID LINING TUBE AFTER IT HAS BEEN INTRODUCTED INTO THE JACKET AND IN THE ABSENCE OF EXTERNAL PRESSURE TO CAUSE THE MORE READILY FLOWABLE OUTER LAYER THEREOF TO EXUDE THROUGH SAID JACKET AND PROJECT FORM THE EXTERIOR OF THE JACKET IN SHORT SPIKES WHILE SAID LESS FLOWABLE INNER LAYER ADHERES TO BUT DOES NOT FLOW THROUGH SID JACKET, AND THEREAFTER APPLYING MECHANICAL PRESSURE TO SAID EXUDED SPIKES TO AGGLOMERATE THE SPIKES AND FROM A CONTINUOUS EXTERNAL COATING ON SAID JACKET.
Claim 2
Independent Claim
142 words
A METHOD OF MANUFACTURING A HOSE, WHICH COMPRISES THE STEPS OF INTRODUCING INTO A TUBULAR TEXTILE JACKET A LINING TUBE OF EXPNDABLE THERMOPLASTIC MATERIAL, SAID LINING TUBE COMPRISING INNER AND OUTER LAYERS, SAID OUTER LAYER HAVING THE CAPACITY FOR FLOWING MORE READILY WHEN SUBJECTED TO PRESSURE AND HEAT THAN THE INNER LAYER OF SAID LINING TUBE, APPLYING HEAT AND INTERNAL PRESSURE TO SAID LINING TUBE AFTER IT HAS BEEN INTRODUCTED INTO THE JACKET AND IN THE ABSENCE OF EXTERNAL PRESSURE TO CAUSE THE MORE READILY FLOWABLE OUTER LAYER THEREOF TO EXUDE THROUGH SAID JACKET AND PROJECT FORM THE EXTERIOR OF THE JACKET IN SHORT SPIKES WHILE SAID LESS FLOWABLE INNER LAYER ADHERES TO BUT DOES NOT FLOW THROUGH SID JACKET, AND THEREAFTER APPLYING MECHANICAL PRESSURE TO SAID EXUDED SPIKES TO AGGLOMERATE THE SPIKES AND FROM A CONTINUOUS EXTERNAL COATING ON SAID JACKET.
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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) | 1971-02-19 | 1971-08-21 | 1972-02-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-02-19 | 1975-08-21 | 1976-02-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-02-19 | 1979-08-21 | 1980-02-20 | $7700.00 | Window Closed / Lapsed |