US3418065A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method for high temperature dyeing
Assignee: United Piece Dye Works
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Filing: 1965-10-04
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Granted: 1968-12-24
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Expires: 1985-10-04
Abstract
No abstract record available.
Inventors
- 👤 Jr Charles Blount
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 06:36
CPC Classifications
D; D06; D06P; D06P5/00; D06P5/20; D06P5/2044; D06P5/2055; D06B; D06B3/00; D06B3/24; D06B3/26; D06P3/00; D06P3/34; D06P3/52; Y; Y10; Y10S; Y10S8/00; Y10S8/92; Y10S8/922
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
233 words
A METHOD OF DYEING FABRICS COMPRISING POLYESTER FIBERS COMPRISING THE STEPS OF: (A) LOADING AN ENDLESS LOOP OF SAID FABRIC IN AN EXPOSED AND UNCONFINED MANNER ON A SUITABLE FEEDING MEANS WHICH IS CARRIED ON A TUB FOR CONTAINING A DYE BATH, (B) FILLING THE TUB WITH A DYE BATH, (C) ELEVATING THE TEMPERATURE OF THE DYE BATH TO A TEMPERATURE RANGING BETWEEN 180*F. AND 212*F. AT ATMOSPHERIC PRESSURE AND CIRCULATING THE LOOP OF SAID FABRIC THROUGH SAID DYE BATH AS SAID DYE BATH IS BEING BROUGHT UP TO SAID TEMPERATURE, (D) POSITIONING SAID HEATED DYE BATH AND PARTIALLY DYED FABRIC INTO A PRESSURE TIGHT CHAMBER, (E) SEALING THE DYE BATH AND FABRIC PRESSURE TIGHT IN SAID PRESSURE CHAMBER, (F) ELEVATING THE TEMPERATURE OF SAID DYE BATH WITHIN SAID PRESSURE CHAMBER TO A TEMPERATURE OF APPROXIMATELY 250*F. BY INTRODUCING STEAM WITHIN THE SEALED VESSEL, AND (G) CONTINUOUSLY FEEDING THE ENDLESS LOOP OF FABRIC FREE OF RESTRICTION THROUGH SAID DYE BATH AT SAID ELEVATED TEMPERATURE UNTIL THE DYEING OPERATION IS COMPLETED WHEREBY INTERMEDIATE FOLDING OF THE FABRIC OCCURS IN THE DYE BATH DURING SAID OPERATION, (H) GRADUALLY COOLING DOWN THE DYE BATH BY REDUCING THE TEMPERATURE AND PRESSURE WITHIN THE PRESSURE VESSEL IN A MANNER WHEREIN THE PRESSURE IS MAINTAINED TO PROHIBIT BOILING OF THE DYE BATH, AND (I) REMOVING THE DYE BATH AND MATERIAL FROM THE PRESSURE VESSEL UPON THE GRADUAL COOLING THEREOF.
Claim 2
Independent Claim
233 words
A METHOD OF DYEING FABRICS COMPRISING POLYESTER FIBERS COMPRISING THE STEPS OF: (A) LOADING AN ENDLESS LOOP OF SAID FABRIC IN AN EXPOSED AND UNCONFINED MANNER ON A SUITABLE FEEDING MEANS WHICH IS CARRIED ON A TUB FOR CONTAINING A DYE BATH, (B) FILLING THE TUB WITH A DYE BATH, (C) ELEVATING THE TEMPERATURE OF THE DYE BATH TO A TEMPERATURE RANGING BETWEEN 180*F. AND 212*F. AT ATMOSPHERIC PRESSURE AND CIRCULATING THE LOOP OF SAID FABRIC THROUGH SAID DYE BATH AS SAID DYE BATH IS BEING BROUGHT UP TO SAID TEMPERATURE, (D) POSITIONING SAID HEATED DYE BATH AND PARTIALLY DYED FABRIC INTO A PRESSURE TIGHT CHAMBER, (E) SEALING THE DYE BATH AND FABRIC PRESSURE TIGHT IN SAID PRESSURE CHAMBER, (F) ELEVATING THE TEMPERATURE OF SAID DYE BATH WITHIN SAID PRESSURE CHAMBER TO A TEMPERATURE OF APPROXIMATELY 250*F. BY INTRODUCING STEAM WITHIN THE SEALED VESSEL, AND (G) CONTINUOUSLY FEEDING THE ENDLESS LOOP OF FABRIC FREE OF RESTRICTION THROUGH SAID DYE BATH AT SAID ELEVATED TEMPERATURE UNTIL THE DYEING OPERATION IS COMPLETED WHEREBY INTERMEDIATE FOLDING OF THE FABRIC OCCURS IN THE DYE BATH DURING SAID OPERATION, (H) GRADUALLY COOLING DOWN THE DYE BATH BY REDUCING THE TEMPERATURE AND PRESSURE WITHIN THE PRESSURE VESSEL IN A MANNER WHEREIN THE PRESSURE IS MAINTAINED TO PROHIBIT BOILING OF THE DYE BATH, AND (I) REMOVING THE DYE BATH AND MATERIAL FROM THE PRESSURE VESSEL UPON THE GRADUAL COOLING THEREOF.
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) | 1971-12-24 | 1972-06-24 | 1972-12-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-12-24 | 1976-06-24 | 1976-12-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-12-24 | 1980-06-24 | 1980-12-24 | $7700.00 | Window Closed / Lapsed |