US3141806A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus for forming a wound hollow structure of fiber reinforced tape
Assignee: BP Chemicals Hitco Inc
•
Filing: 1960-04-14
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Granted: 1964-07-21
•
Expires: 1980-04-14
Abstract
No abstract record available.
Inventors
- 👤 Albert A Reinman
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 21:26
CPC Classifications
B; B65; B65H; B65H81/00; B29; B29C; B29C53/00; B29C53/56; B29C53/58; B29C53/60; B29C70/00; B29K; B29K2309/00; B29K2309/08
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
172 words
APPARATUS FOR BUILDING UP A SOLID BODY WHICH HAS A HOLLOW CENTER AND CONSISTS OF RING LAMINATIONS OF TAPE MATERIAL, THE DIRECTIONS OF THE LAMINATIONS BEING AT A SELECTED ANGLE OTHER THAN PARALLEL WITH THE LENGTH OF THE BODY, THE APPARATUS INCLUDING IN COMBINATION A ROTATABLE CENTRAL MANDREL LYING ALONG AND ROTATABLE ABOUT A GIVEN AXIS, THE MANDREL HAVING THE CONFIGURATION DESIRED FOR THE APPROXIMATE INNER FORM OF THE SOLID BODY AND INCLUDING A BASE PORTION WHICH IS SUBSTANTIALLY PARALLEL TO THE DIRECTION DESIRED FOR THE LAMINATIONS, WHEREBY THE TAPE MATERIAL IS POSITIONABLE AS A HELICAL WINDING ABOUT THE MANDREL BEGINNING WITH THE BASE PORTION, AT LEAST ONE PRESSURE ROLLER MOVABLY MOUNTED ADJACENT THE PERIPHERY OF THE MANDREL ADJACENT THE PATH OF THE TAPE MATERIAL AS IT IS BEING LAID DOWN, THE PRESSURE ROLLER EXTENDING ACROSS THE WIDTH OF THE TAPE MATERIAL AND BEING DIVIDED INTO SEPARATE INDEPENDENTLY ROTATABLE SEGMENTS ACROSS THE WIDTH OF THE TAPE MATERIAL, THE PERIPHERAL SURFACE OF THE SEGMENTED PORTIONS OF THE PRESSURE ROLLER BEING OF A MA-
Claim 2
Dependent Claim
172 words
APPARATUS FOR BUILDING UP A SOLID BODY WHICH HAS A HOLLOW CENTER AND CONSISTS OF RING LAMINATIONS OF TAPE MATERIAL, THE DIRECTIONS OF THE LAMINATIONS BEING AT A SELECTED ANGLE OTHER THAN PARALLEL WITH THE LENGTH OF THE BODY, THE APPARATUS INCLUDING IN COMBINATION A ROTATABLE CENTRAL MANDREL LYING ALONG AND ROTATABLE ABOUT A GIVEN AXIS, THE MANDREL HAVING THE CONFIGURATION DESIRED FOR THE APPROXIMATE INNER FORM OF THE SOLID BODY AND INCLUDING A BASE PORTION WHICH IS SUBSTANTIALLY PARALLEL TO THE DIRECTION DESIRED FOR THE LAMINATIONS, WHEREBY THE TAPE MATERIAL IS POSITIONABLE AS A HELICAL WINDING ABOUT THE MANDREL BEGINNING WITH THE BASE PORTION, AT LEAST ONE PRESSURE ROLLER MOVABLY MOUNTED ADJACENT THE PERIPHERY OF THE MANDREL ADJACENT THE PATH OF THE TAPE MATERIAL AS IT IS BEING LAID DOWN, THE PRESSURE ROLLER EXTENDING ACROSS THE WIDTH OF THE TAPE MATERIAL AND BEING DIVIDED INTO SEPARATE INDEPENDENTLY ROTATABLE SEGMENTS ACROSS THE WIDTH OF THE TAPE MATERIAL, THE PERIPHERAL SURFACE OF THE SEGMENTED PORTIONS OF THE PRESSURE ROLLER BEING OF A MA-
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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) | 1967-07-21 | 1968-01-20 | 1968-07-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-07-21 | 1972-01-20 | 1972-07-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-07-21 | 1976-01-20 | 1976-07-21 | $7700.00 | Window Closed / Lapsed |