US4268550A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Metered finish
Assignee: Solutia Inc
•
Filing: 1979-07-02
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Granted: 1981-05-19
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Expires: 1999-07-02
Abstract
Abstract In application of metered finish to a high speed running yarn, a felt plug or other resistance to fluid flow is provided in the finish passageway just prior to the exit.
Inventors
- 👤 Louis B. Williams, Jr.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 15:31
CPC Classifications
D; D06; D06B; D06B1/00; D06B1/08
Claims Analysis
Total Claims: 14
Claim 1
Independent Claim
51 words
In a process for applying finish to a yarn running at least 2500 meters per minute wherein said finish is metered through a passageway just prior to application to said yarn, the improvement comprising inhibiting the variable influence of air travelling with said running yarn upon said finish in said passageway.
Claim 2
Dependent Claim
51 words
In a process for applying finish to a yarn running at least 2500 meters per minute wherein said finish is metered through a passageway just prior to application to said yarn, the improvement comprising inhibiting the variable influence of air travelling with said running yarn upon said finish in said passageway.
Claim 3
Dependent Claim
42 words
In combination with a finish applicator wherein finish is metered through a passageway just prior to application to a yarn, the improvement comprising means for inhibiting the variable influence of air travelling with said running yarn upon said finish in said passageway.
Claim 4
Dependent Claim
42 words
In combination with a finish applicator wherein finish is metered through a passageway just prior to application to a yarn, the improvement comprising means for inhibiting the variable influence of air travelling with said running yarn upon said finish in said passageway.
Claim 5
Dependent Claim
19 words
The combination defined in claim 2, wherein said means comprises a resistance to fluid flow interposed in said passageway.
Claim 6
Dependent Claim
20 words
The combination defined in claim 3 wherein said resistance to fluid flow comprises a porous element interposed in said passageway.
Claim 7
Dependent Claim
25 words
The combination defined in claim 2, wherein said means is located within said passageway no further than 5 mm. from the exit of said passageway.
Claim 8
Dependent Claim
25 words
The combination defined in claim 5, wherein said means is located within said passageway no further than 2 mm. from the exit of said passageway.
Claim 9
Dependent Claim
25 words
The combination defined in claim 3, wherein said means is located within said passageway no further than 5 mm. from the exit of said passageway.
Claim 10
Dependent Claim
25 words
The combination defined in claim 3, wherein said means is located within said passageway no further than 2 mm. from the exit of said passageway.
Claim 11
Dependent Claim
25 words
The combination defined in claim 4, wherein said means is located within said passageway no further than 5 mm. from the exit of said passageway.
Claim 12
Dependent Claim
25 words
The combination defined in claim 4, wherein said means is located within said passageway no further than 2 mm. from the exit of said passageway.
Claim 13
Dependent Claim
15 words
The combination defined in claim 3, wherein said means fills the exit of said passageway.
Claim 14
Dependent Claim
15 words
The combination defined in claim 4, wherein said means fills the exit of said passageway.
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) | 1984-05-18 | 1984-11-17 | 1985-05-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1988-05-18 | 1988-11-17 | 1989-05-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1992-05-18 | 1992-11-17 | 1993-05-19 | $7700.00 | Window Closed / Lapsed |