US3309752A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus for producing slub yarn
Assignee: Nuval Co
•
Filing: 1966-03-28
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Granted: 1967-03-21
•
Expires: 1986-03-28
Abstract
No abstract record available.
Inventors
- 👤 Carl W Nuissl
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 13:31
CPC Classifications
D; D02; D02G; D02G3/00; D02G3/22; D02G3/34; D02G1/00; D02G1/16; D02G1/162
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
126 words
APPARATUS FOR FORMING SLUBS IN YARN COMPRISING: A YARN SUPPLY, PNEUMATIC MEANS FOR BLOWING YARN FROM SAID SUPPLY UNDER RELATIVELY LIGHT TENSION TOWARD AN OPENTOP ECEPTACLE DEFINING A TURBULENCE CHAMBER, MEANS TO DIRECTING AIR DOWNWARDLY INTO SAID RECEPTACLE THROUGH THE OPEN TOP THEREOF, WITHDRAWAL MEANS DRAWING THROUGH THE OPEN TOP THEREOF, WITHDRAWAL MEANS DRAWING SLUBBED YARN FROM SIAD RECEPTACLE UPWARDLY THROUGH SAID SLUBBING NOZZLE AT A RATE LESS THAN THE RATE OF FEED INTO SAID RECEPTACLE, MEANS INTERMEDIATE SAID SLUBBING NOZZLE AND SAID WITHDRAWAL MEANS FOR VARYING THE RATE OF WITHDRAWAL OF SLUBBED YARN FROM SAID RECEPTACLE TO VARY THE FREQUENCY OF SLUB FORMATIONS, SAID INTERMEDIATE MEANS COMPRISING A NONBINDING YARN GUIDE FOR CONTINUOUSLY GUIDING THE YARN FROM SAID STUBBING NOZZLE AND MEANS TO RECIPROCATE SAME.
Claim 2
Dependent Claim
126 words
APPARATUS FOR FORMING SLUBS IN YARN COMPRISING: A YARN SUPPLY, PNEUMATIC MEANS FOR BLOWING YARN FROM SAID SUPPLY UNDER RELATIVELY LIGHT TENSION TOWARD AN OPENTOP ECEPTACLE DEFINING A TURBULENCE CHAMBER, MEANS TO DIRECTING AIR DOWNWARDLY INTO SAID RECEPTACLE THROUGH THE OPEN TOP THEREOF, WITHDRAWAL MEANS DRAWING THROUGH THE OPEN TOP THEREOF, WITHDRAWAL MEANS DRAWING SLUBBED YARN FROM SIAD RECEPTACLE UPWARDLY THROUGH SAID SLUBBING NOZZLE AT A RATE LESS THAN THE RATE OF FEED INTO SAID RECEPTACLE, MEANS INTERMEDIATE SAID SLUBBING NOZZLE AND SAID WITHDRAWAL MEANS FOR VARYING THE RATE OF WITHDRAWAL OF SLUBBED YARN FROM SAID RECEPTACLE TO VARY THE FREQUENCY OF SLUB FORMATIONS, SAID INTERMEDIATE MEANS COMPRISING A NONBINDING YARN GUIDE FOR CONTINUOUSLY GUIDING THE YARN FROM SAID STUBBING NOZZLE AND MEANS TO RECIPROCATE SAME.
References Cited (Backward Citations)
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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) | 1970-03-20 | 1970-09-19 | 1971-03-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-03-20 | 1974-09-19 | 1975-03-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-03-20 | 1978-09-19 | 1979-03-21 | $7700.00 | Window Closed / Lapsed |