US3113897A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method and apparatus for making fiber reinforced plastic tubes
Assignee: Individual
•
Filing: 1959-11-12
•
Granted: 1963-12-10
•
Expires: 1979-11-12
Abstract
No abstract record available.
Inventors
- 👤 Honningstad Birger
- 👤 Skansen Gisle
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 16:10
CPC Classifications
B; B29; B29C; B29C53/00; B29C53/80; B29C53/84; B29C53/845; B29C48/00; B29C48/022; B29C48/15; B29C48/151; B29C53/56; B29C53/58; B29C53/60; B29C53/62; B29C53/64; B29C53/82; B29C53/821; B29C53/822; B29C48/03; B29C48/09; B29K; B29K2301/00; B29K2301/10
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
74 words
A METHOD FOR THE PRODUCTION OF A REINFORCED PLASTIC TUBE COMPRISING THE STEPS OF FORMING VERTICALLY UPWARDLY A CONTINUOUSLY ROTATING AND CONTINUOUSLY CAST TUBULAR MANDREL OF A LOW MELTING POINT EUTECTIC ALLOY SUPPLIED FROM THE CRUCIBLE, WINDING ONTO SAID MANDREL LAYERS OF RESIN IMPREGNATED FIBERS WHILE IMPARTING CONTROLLED UP AND DOWN MOVEMENTS TO THE IMPREGNATING DEVICES, CURING AND DOWN MOVEMENT TO THE IMPREGNATED DEVICES, CURING SAID RESIN IMPREGNATED FIBERS AROUND SAID MANDREL TO PRO-
Claim 2
Independent Claim
74 words
A METHOD FOR THE PRODUCTION OF A REINFORCED PLASTIC TUBE COMPRISING THE STEPS OF FORMING VERTICALLY UPWARDLY A CONTINUOUSLY ROTATING AND CONTINUOUSLY CAST TUBULAR MANDREL OF A LOW MELTING POINT EUTECTIC ALLOY SUPPLIED FROM THE CRUCIBLE, WINDING ONTO SAID MANDREL LAYERS OF RESIN IMPREGNATED FIBERS WHILE IMPARTING CONTROLLED UP AND DOWN MOVEMENTS TO THE IMPREGNATING DEVICES, CURING AND DOWN MOVEMENT TO THE IMPREGNATED DEVICES, CURING SAID RESIN IMPREGNATED FIBERS AROUND SAID MANDREL TO PRO-
References Cited (Backward Citations)
US935254A
Cited
US1604274A
Cited
US1656312A
Cited
US1631071A
Cited
US1679345A
Cited
US1713679A
Cited
US2284866A
Cited
US2315394A
Cited
US2491152A
Cited
US2744043A
Cited
US2723705A
Cited
US2731067A
Cited
US2993526A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-12-09 | 1967-06-10 | 1967-12-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-12-09 | 1971-06-10 | 1971-12-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-12-09 | 1975-06-10 | 1975-12-10 | $7700.00 | Window Closed / Lapsed |