US3257735A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Drying of fabrics
Assignee: Samcoe Holding Corp
•
Filing: 1963-03-07
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Granted: 1966-06-28
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Expires: 1983-03-07
Abstract
No abstract record available.
Inventors
- 👤 Catallo Frank
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 14:59
CPC Classifications
D; D06; D06C; D06C5/00
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
205 words
THE METHOD OF DRYING AND TREATING TUBULAR KNITTED FABRIC, WHICH COMPRISES (A) CONVEYING THE FABRIC THROUGH A TREATING ZONE, (B) OPENING THE FABRIC TUBE WITHIN THE TREATING ZONE BY SPREADING THE FABRIC INTERNALLY OVER A SUBSTANTIAL LENGTH, (C) DIRECTING AIR IN DISCRETE RELATIVELY HIGH VELOCITY STREAMS RADIALLY INTO THE INTERIOR OF THE OPENED TUBE AS THE TUBES PASSES THROUGH A DRYING ZONE OF LIMITED LENGTH INTERMEDIATE THE ENDS OF THE TREATING ZONE, (D) DIRECTING A FIRST PORTION OF THE FLOW OF AIR INTERNALLY OF THE FABRIC TUBE FROM THE DRYING ZONE TOWARD THE FABRIC ENTRANCE END OF THE TREATING ZONE AND WITHDRAWING THE AIR GENERALLY AND IN A DISTRIBUTED MANNER THROUGH THE WALLS OF THE TUBE TO EFFECT PRE-HEATING OF THE FABRIC TRAVELLING TOWARD THE DRYING ZONE, (E) DIRECTING A SECOND PORTION OF THE FLOW OF AIR INTERNALLY OF THE FABRIC TUBE FROM THE DRYING ZONE TOWARD THE FABRIC EXIT END OF THE TREATING ZONE AND WITHDRAWING THE AIR GENERALLY AND IN A DISTRIBUTED MANNER THROUGH THE WALLS OF THE TUBE TO EFFECT POST-HEATING OF THE FABRIC, AND (F) MAINTAINING THE FABRIC TUBE SUBSTANTIALLY FLAT AND CLOSED ADJACENT THE ENDS OF THE TREATING CHAMBER AND CAUSING IT TO BALLOON WITHIN THE PRE-HEATING AND POSTHEATING ZONES.
Claim 2
Independent Claim
205 words
THE METHOD OF DRYING AND TREATING TUBULAR KNITTED FABRIC, WHICH COMPRISES (A) CONVEYING THE FABRIC THROUGH A TREATING ZONE, (B) OPENING THE FABRIC TUBE WITHIN THE TREATING ZONE BY SPREADING THE FABRIC INTERNALLY OVER A SUBSTANTIAL LENGTH, (C) DIRECTING AIR IN DISCRETE RELATIVELY HIGH VELOCITY STREAMS RADIALLY INTO THE INTERIOR OF THE OPENED TUBE AS THE TUBES PASSES THROUGH A DRYING ZONE OF LIMITED LENGTH INTERMEDIATE THE ENDS OF THE TREATING ZONE, (D) DIRECTING A FIRST PORTION OF THE FLOW OF AIR INTERNALLY OF THE FABRIC TUBE FROM THE DRYING ZONE TOWARD THE FABRIC ENTRANCE END OF THE TREATING ZONE AND WITHDRAWING THE AIR GENERALLY AND IN A DISTRIBUTED MANNER THROUGH THE WALLS OF THE TUBE TO EFFECT PRE-HEATING OF THE FABRIC TRAVELLING TOWARD THE DRYING ZONE, (E) DIRECTING A SECOND PORTION OF THE FLOW OF AIR INTERNALLY OF THE FABRIC TUBE FROM THE DRYING ZONE TOWARD THE FABRIC EXIT END OF THE TREATING ZONE AND WITHDRAWING THE AIR GENERALLY AND IN A DISTRIBUTED MANNER THROUGH THE WALLS OF THE TUBE TO EFFECT POST-HEATING OF THE FABRIC, AND (F) MAINTAINING THE FABRIC TUBE SUBSTANTIALLY FLAT AND CLOSED ADJACENT THE ENDS OF THE TREATING CHAMBER AND CAUSING IT TO BALLOON WITHIN THE PRE-HEATING AND POSTHEATING ZONES.
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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) | 1969-06-27 | 1969-12-27 | 1970-06-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-06-27 | 1973-12-27 | 1974-06-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-06-27 | 1977-12-27 | 1978-06-28 | $7700.00 | Window Closed / Lapsed |