US4344236A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Web drying apparatus
Assignee: Goodrich Corp
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Filing: 1980-12-17
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Granted: 1982-08-17
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Expires: 2000-12-17
Abstract
Abstract A drying apparatus for drying a moving web of textile fabric material as it passes over a series of closely adjacent rotating cylinders. Each cylinder has a pair of end portions and an intermediate portion. A heat insulating cap is mounted on each end portion to restrict the flow of heat energy therefrom.
Inventors
- 👤 Gale E. Lindeen
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 17:34
CPC Classifications
F; F26; F26B; F26B13/00; F26B13/10; F26B13/14; F26B13/18; F26B13/183
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
129 words
A drying apparatus for drying a traveling web comprising a hollow cylinder, said cylinder having a pair of end portions and an intermediate cylindrical portion, means connected to said cylinder for rotating said cylinder about its central axis, heating means connected to said cylinder for heating the interior of said cylinder, heat insulating end caps mounted on the respective end portions of said cylinder for restricting the flow of heat energy from said end portions, each of said end caps are made from an inner layer of insulating material and an outer layer of rubber with a layer of foil interposed between said inner layer and said outer layer of rubber, and a circumferentially extending strap around the periphery of said cylinder to secure said cap to said cylinder.
Claim 2
Dependent Claim
129 words
A drying apparatus for drying a traveling web comprising a hollow cylinder, said cylinder having a pair of end portions and an intermediate cylindrical portion, means connected to said cylinder for rotating said cylinder about its central axis, heating means connected to said cylinder for heating the interior of said cylinder, heat insulating end caps mounted on the respective end portions of said cylinder for restricting the flow of heat energy from said end portions, each of said end caps are made from an inner layer of insulating material and an outer layer of rubber with a layer of foil interposed between said inner layer and said outer layer of rubber, and a circumferentially extending strap around the periphery of said cylinder to secure said cap to said cylinder.
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) | 1985-08-16 | 1986-02-15 | 1986-08-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1989-08-16 | 1990-02-15 | 1990-08-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1993-08-16 | 1994-02-15 | 1994-08-17 | $7700.00 | Window Closed / Lapsed |