US3696642A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Plant for dyeing yarn continuously
Assignee: Individual
•
Filing: 1970-12-22
•
Granted: 1972-10-10
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Expires: 1990-12-22
Abstract
Abstract A plant for dyeing yarn discontinuously includes a perforate conveyor the upper run of which extends through a zone at which yarn is deposited in skeins or in continuous zig-zag formation, a zone in which dye is applied, a zone in which the dye is fixed by heating, a washing zone and a drying zone in which the yarn is alternately squeezed and expanded.
Inventors
- 👤 Fernando Rigacci
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 08:58
CPC Classifications
D; D06; D06B; D06B11/00; D06B11/002; D06B11/0026; D06B11/004; D06B11/0043; D06B11/0053; D06B15/00; D06B15/005
Claims Analysis
Total Claims: 4
Claim 1
Independent Claim
83 words
A yarn dyeing plant comprising a conveyor for receiving yarn to be dyed, means for applying dye to the yarn on the conveyor, means for fixing the dye in the yarn by raising the temperature thereof, means for washing the yarn while continuing motion on the conveyor, means for drying the yarn, means for raising and lowering the dye-applying means with respect to the conveyor, and means defining a support surface disposed below the conveyor working run and opposed to the dye-applying means.
Claim 2
Dependent Claim
83 words
A yarn dyeing plant comprising a conveyor for receiving yarn to be dyed, means for applying dye to the yarn on the conveyor, means for fixing the dye in the yarn by raising the temperature thereof, means for washing the yarn while continuing motion on the conveyor, means for drying the yarn, means for raising and lowering the dye-applying means with respect to the conveyor, and means defining a support surface disposed below the conveyor working run and opposed to the dye-applying means.
Claim 3
Dependent Claim
85 words
A plant according to claim 1, wherein the conveyor is permeable and the washing means include a non-permeable structure, a permeable structure disposed on the opposite side of the working run of the conveyor to said rigid structure, means for reciprocating the non-permeable structure relatively to the permeable structure whereby to squeeze and release the yarn material on the conveyor, the reciprocating motion including a component in the direction of movement of the yarn, and spraying means for delivering a washing liquid to the yarn.
Claim 4
Dependent Claim
32 words
A plant according to claim 1, comprising a yarn material distribution device including an endless flexible belt which co-operates with the working run of the belt to distribute the yarn evenly thereon.
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) | 1975-10-10 | 1976-04-10 | 1976-10-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1979-10-10 | 1980-04-10 | 1980-10-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1983-10-10 | 1984-04-10 | 1984-10-10 | $7700.00 | Window Closed / Lapsed |