US3774386A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Device for avoiding the accumulation of lint with ringless spinning
Assignee: Fried Krupp AG
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Filing: 1972-02-15
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Granted: 1973-11-27
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Expires: 1992-02-15
Abstract
Abstract A spinning device for ringless spinning, in which a rotatable carding member substantially coaxial with a subatmospheric spinning turbine has its bottom side open toward the spinning turbine closed by a closing disc which is preferably flush with that adjacent surface of the carding member which faces the spinning turbine.
Inventors
- 👤 G Kutscher
- 👤 R Wehling
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 18:56
CPC Classifications
D; D01; D01H; D01H4/00; D01H4/04; D01H4/22; D01H4/24
Claims Analysis
Total Claims: 6
Claim 1
Independent Claim
59 words
A spinning device for ringless spinning, which includes a subatmospheric spinning turbine, a rotatable carding member arranged substantially coaxially with said spinning turbine and having an open side facing toward said turbine, and disc means closing said open side and having its outer surface substantially flush with that surface portion of said carding member which defines said open side.
Claim 2
Dependent Claim
59 words
A spinning device for ringless spinning, which includes a subatmospheric spinning turbine, a rotatable carding member arranged substantially coaxially with said spinning turbine and having an open side facing toward said turbine, and disc means closing said open side and having its outer surface substantially flush with that surface portion of said carding member which defines said open side.
Claim 3
Dependent Claim
23 words
A device according to claim 1, in which said disc means is so connected to said carding member as to be rotatable therewith.
Claim 4
Dependent Claim
24 words
A device according to claim 1, which includes means connected to and holding said disc means stationary with regard to said rotatable carding member.
Claim 5
Dependent Claim
19 words
A device according to claim 1, in which said spinning turbine has fiber inlet means provided with radial bores.
Claim 6
Dependent Claim
38 words
A device according to claim 1, in which said spinning turbine has peripheral flange means and fiber collecting trough means, and in which said peripheral flange means is provided with axial bores near said fiber collecting trough means.
References Cited (Backward Citations)
US3119223A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1976-11-26 | 1977-05-28 | 1977-11-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1980-11-26 | 1981-05-28 | 1981-11-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1984-11-26 | 1985-05-28 | 1985-11-27 | $7700.00 | Window Closed / Lapsed |