US3906129A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Removable insulating cover for generally cylindrical containers
Assignee: FR INDUSTRIES Inc A CORP OF
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Filing: 1974-03-06
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Granted: 1975-09-16
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Expires: 1994-03-06
Abstract
Abstract A removable insulating cover for fluid containers consisting of two symmetrical portions which define a hood having oppositely disposed open and closed ends. The cover portions may be joined together by means of a zipper and are formed from multilayer material consisting of a closed cell polyurethane sandwiched between layers of polyvinyl chloride and a flexible insulating material.
Inventors
- 👤 Pierre Damois
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 21:52
CPC Classifications
A; A61; A61F; A61F7/00; A61F7/08; A61F7/02; A61F2007/0277; A61F2007/0279; Y; Y10; Y10S; Y10S150/00; Y10S150/901; Y10S220/00; Y10S220/902; Y10T; Y10T428/00; Y10T428/16; Y10T428/169; Y10T428/24; Y10T428/24008; Y10T428/24033; Y10T428/249921; Y10T428/249953; Y10T428/249976; Y10T428/249981; Y10T428/249987; Y10T428/249991; Y10T428/249992
Claims Analysis
Total Claims: 5
Claim 1
Independent Claim
190 words
AN INSULATING COVER FOR A GENERALLY CYLINDRICALLY SHAPED CONTAINER SAID COVER HAVING A SIDEWALL WHICH CONVERGES TO DEFINE A CLOSED HOOD SAID SIDEWALL FURTHER DEFINING AN APERTURE DISOSED OPPOSITELY OF SAID HOOD SAID COVER COMPRISING A FIRST COVER SECTION SAID FIRST SECTION INCLUDING: A SHEET OF A FIRST FLEXIBLE MATERIAL HAVING A PRESELECTED DEGREE OF ELASTICITY, A LAYER OF A FIRST FLEXIBLE INSULATING MATERIAL SAID FIRST INSULATING MATERIAL BEING OF A DIFFERENT MATERIAL WHEN COMPARED TO SAID FIRST FLEXIBLE MATERIAL AND A LAYER OF CLOSED CELL EXPANDED POLYURETHANE SANDWICHED BETWEEN SAID SHEET AND LAYER OF FIRST INSULATING MATERIAL A SECOND COVER SECTION SAID SECOND SECTION BEING SEPARABLE FROM SAID FIRST SECTION AND INCLUDING: A SHEET OF SAID FIRST FLEXIBLE MATERIAL, A LAYER OF SAID FIRST FLEXIBLE INSULATING MATERIAL AND A LAYER OF CLOSED CELL EXPANDED POLYURETHANE SANDWICHED BETWEEN SAID SHEET AND LAYER OF FIRST INSULATING MATERIAL, SAID SECOND COVER SECTION HAVING SUBSTANTIALLY THE SAME SIZE AND SHAPE AS SAID FIRST COVER SECTION AND ZIPPER MEANS FOR JOINING SAID FIRST AND SECOND COVER SECTIONS ALONG AN AXIAL MEDIUM PLANE THROUGH THE CONTAINER SAID ZIPPER MEANS PERMITTING SEPARATION OF SAID COVER SECTIONS.
Claim 2
Dependent Claim
190 words
AN INSULATING COVER FOR A GENERALLY CYLINDRICALLY SHAPED CONTAINER SAID COVER HAVING A SIDEWALL WHICH CONVERGES TO DEFINE A CLOSED HOOD SAID SIDEWALL FURTHER DEFINING AN APERTURE DISOSED OPPOSITELY OF SAID HOOD SAID COVER COMPRISING A FIRST COVER SECTION SAID FIRST SECTION INCLUDING: A SHEET OF A FIRST FLEXIBLE MATERIAL HAVING A PRESELECTED DEGREE OF ELASTICITY, A LAYER OF A FIRST FLEXIBLE INSULATING MATERIAL SAID FIRST INSULATING MATERIAL BEING OF A DIFFERENT MATERIAL WHEN COMPARED TO SAID FIRST FLEXIBLE MATERIAL AND A LAYER OF CLOSED CELL EXPANDED POLYURETHANE SANDWICHED BETWEEN SAID SHEET AND LAYER OF FIRST INSULATING MATERIAL A SECOND COVER SECTION SAID SECOND SECTION BEING SEPARABLE FROM SAID FIRST SECTION AND INCLUDING: A SHEET OF SAID FIRST FLEXIBLE MATERIAL, A LAYER OF SAID FIRST FLEXIBLE INSULATING MATERIAL AND A LAYER OF CLOSED CELL EXPANDED POLYURETHANE SANDWICHED BETWEEN SAID SHEET AND LAYER OF FIRST INSULATING MATERIAL, SAID SECOND COVER SECTION HAVING SUBSTANTIALLY THE SAME SIZE AND SHAPE AS SAID FIRST COVER SECTION AND ZIPPER MEANS FOR JOINING SAID FIRST AND SECOND COVER SECTIONS ALONG AN AXIAL MEDIUM PLANE THROUGH THE CONTAINER SAID ZIPPER MEANS PERMITTING SEPARATION OF SAID COVER SECTIONS.
Claim 3
Dependent Claim
13 words
The article of claim 1 wherein said first flexible material comprises polyvinyl chloride.
Claim 4
Dependent Claim
16 words
The article of claim 1 wherein said first flexible insulating material comprises polyurethane having open cells.
Claim 5
Dependent Claim
13 words
The article of claim 3 wherein said first flexible material comprises polyvinyl chloride.
References Cited (Backward Citations)
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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) | 1978-09-15 | 1979-03-17 | 1979-09-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1982-09-15 | 1983-03-17 | 1983-09-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1986-09-15 | 1987-03-17 | 1987-09-16 | $7700.00 | Window Closed / Lapsed |