US3790426A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Yarn separator
Assignee: Milliken Research Corp
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Filing: 1972-03-27
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Granted: 1974-02-05
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Expires: 1992-03-27
Abstract
Abstract A yarn separator for the yarn fed into a carpet machine to prevent the yarns from being intertangled and placed in such condition, thereby causing a defect in the fabric.
Inventors
- 👤 D Bylund
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 20:16
CPC Classifications
D; D04; D04H; D04H11/00; D04H11/04
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
176 words
Apparatus to produce a bonded fabric comprising: means to supply two adhesive coated backing sheets into opposed relationship, a pair of folding blades, means to supply a plurality of yarns between said folding blades, means operably associated with said folding blades to alternately cause said folding blades to place yarn into the adhesive on one of said backing sheets and then into the other, a reed bar mounted above said folding blade to separate said plurality of yarns one from the other, said reed bar having at least two rows of separator bars with the bars in one row being above and staggered in relation to the bars in the lower of said rows and individual separator members mounted on said reed bar and hanging down between adjacent bars in the lower of said rows of bars, said separator members having an upper portion and a lower portion, said upper portions of said separator members being offset from said lower portions and being mounted between adjacent bars of said upper rows of bars in said reed.
Claim 2
Dependent Claim
176 words
Apparatus to produce a bonded fabric comprising: means to supply two adhesive coated backing sheets into opposed relationship, a pair of folding blades, means to supply a plurality of yarns between said folding blades, means operably associated with said folding blades to alternately cause said folding blades to place yarn into the adhesive on one of said backing sheets and then into the other, a reed bar mounted above said folding blade to separate said plurality of yarns one from the other, said reed bar having at least two rows of separator bars with the bars in one row being above and staggered in relation to the bars in the lower of said rows and individual separator members mounted on said reed bar and hanging down between adjacent bars in the lower of said rows of bars, said separator members having an upper portion and a lower portion, said upper portions of said separator members being offset from said lower portions and being mounted between adjacent bars of said upper rows of bars in said reed.
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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) | 1977-02-04 | 1977-08-06 | 1978-02-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1981-02-04 | 1981-08-06 | 1982-02-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1985-02-04 | 1985-08-06 | 1986-02-05 | $7700.00 | Window Closed / Lapsed |