US3577718A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Yarn-covering machine
Assignee: NARROW FABRIC INDUSTRIES Inc SEVENTH AND READING AVENUES WEST READING MPA 19611 A CORP OF PA
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Filing: 1969-03-24
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Granted: 1971-05-04
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Expires: 1989-03-24
Abstract
Abstract A hollow spindle for the passage therethrough of a yarn to be covered, (herein referred to as the core), by another, (herein referred to as covering filament). The driving spindle of this invention is about double the length of a conventional spindle and it has an irreducibly small diameter. The covering filament is wound in the form of a long, small-diameter, cylindrical cake directly onto the spindle instead of on a bobbin which is mounted on the driving spindle. The spindle is rotated at a rate of speed about three times the rate attainable by conventional machines of this type. The spindle is mounted for quick and easy removal and replacement and in a manner such that, replacing an empty spindle with a loaded one will not disturb the closely spaced spindles of a multispindle installation.
Inventors
- 👤 James J Purcell
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 18:04
CPC Classifications
D; D02; D02G; D02G3/00; D02G3/22; D02G3/36; D02G3/362
Claims Analysis
Total Claims: 6
Claim 1
Independent Claim
77 words
The method of covering a core yarn with a filament, said method including: the step of passing the core yarn through a relatively long spindle having a relatively small outside diameter, winding the covering filament on the spindle in the form of a long, slender cake, detachably mounting the spindle on a frame for ready and easy removal and replacement, and engaging one end of the spindle directly with the outer side of an endless driving belt.
Claim 2
Independent Claim
77 words
The method of covering a core yarn with a filament, said method including: the step of passing the core yarn through a relatively long spindle having a relatively small outside diameter, winding the covering filament on the spindle in the form of a long, slender cake, detachably mounting the spindle on a frame for ready and easy removal and replacement, and engaging one end of the spindle directly with the outer side of an endless driving belt.
Claim 3
Independent Claim
102 words
The method of covering a core yarn with a filament, said method including: the step of passing the core yarn through a relatively long spindle having a relatively small outside diameter, winding the covering filament on the spindle in the form of a long, slender cake, detachably mounting the spindle on a frame for ready and easy removal and replacement, engaging one end of the spindle directly with the outer side of an endless driving belt, and the step of detaching the spindle from the frame and moving the spindle from the vicinity of the frame for threading the core yarn therethrough.
Claim 4
Independent Claim
102 words
The method of covering a core yarn with a filament, said method including: the step of passing the core yarn through a relatively long spindle having a relatively small outside diameter, winding the covering filament on the spindle in the form of a long, slender cake, detachably mounting the spindle on a frame for ready and easy removal and replacement, engaging one end of the spindle directly with the outer side of an endless driving belt, and the step of detaching the spindle from the frame and moving the spindle from the vicinity of the frame for threading the core yarn therethrough.
Claim 5
Dependent Claim
49 words
In combination, a supporting frame, an elongated, cylindrical spindle for receiving a covering filament cake wound directly thereon, means detachably securing said spindle to the frame, an endless driving belt, and means mounting said belt in a position for engagement of the outside of the belt with said spindle.
Claim 6
Dependent Claim
49 words
In combination, a supporting frame, an elongated, cylindrical spindle for receiving a covering filament cake wound directly thereon, means detachably securing said spindle to the frame, an endless driving belt, and means mounting said belt in a position for engagement of the outside of the belt with said spindle.
References Cited (Backward Citations)
US3124924A
Cited
US1726099A
Cited
US1992592A
Cited
US2313058A
Cited
US2923120A
Cited
US3166885A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1974-05-03 | 1974-11-02 | 1975-05-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-05-03 | 1978-11-02 | 1979-05-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-05-03 | 1982-11-02 | 1983-05-04 | $7700.00 | Window Closed / Lapsed |