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US4148177A Expired / Lapsed US ⏱️ 0.0 years remaining

Apparatus for spinning textile fibers

Assignee: Individual
•
Filing: 1978-06-19
•
Granted: 1979-04-10
•
Expires: 1998-06-19
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Abstract

Abstract Juxtaposed, closely spaced, first and second drums are provided, one of which is approximately as large as the other. Said drums define between them a triangular space adapted to receive textile fibers approaching on one side of said drums in a freely flying state. Suction-exerting means are provided only in said first drum and operable to subject said fibers in said triangular space to suction. Said first drum has a suction zone adjoining said triangular space and communicating with said suction-exerting means. Said second drum has a structured outside peripheral surface. The first and second drums are operable to rotate in the same sense so that said first drum revolves away from said triangular space and said second drum revolves toward said triangular space on said one side of said drums so that said fibers received in said triangular space and subjected to suction therein through said suction zone are twisted together to form a yarn when said first and second drums are thus rotated. Said apparatus also comprises means for withdrawing said yarn toward one end of each of said first and second drums while holding said yarn against rotation.

Inventors

  • 👤 Ernst Fehrer

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-01 22:16
CPC Classifications
D; D01; D01H; D01H4/00; D01H4/04; D01H4/16; D01H4/18

Claims Analysis

Total Claims: 3
Claim 1
Independent Claim 194 words
Apparatus for spinning textile fibers comprising juxtaposed, closely spaced, first and second drums, one of which is approximately as large as the other and which define between them a triangular space adapted to receive textile fibers approaching on one side of said drums in a freely flying state, suction-exerting means provided only in said first drum and operable to subject said fibers in said triangular space to suction, said first drum having a suction zone adjoining said triangular space and communicating with said suction-exerting means, said second drum having a structured outside peripheral surface, said first and second drums being operable to rotate in the same sense to that said first drum revolves away from said triangular space and said second drum revolves toward said triangular space on said one side of said drum so that said fibers received in said triangular space and subjected to suction therein through said suction zone are twisted together to form a yarn when said first and second drums are thus rotated; said apparatus further comprising means for withdrawing said yarn toward one end of each of said first and second drums while holding said yarn against rotation.
Claim 2
Dependent Claim 194 words
Apparatus for spinning textile fibers comprising juxtaposed, closely spaced, first and second drums, one of which is approximately as large as the other and which define between them a triangular space adapted to receive textile fibers approaching on one side of said drums in a freely flying state, suction-exerting means provided only in said first drum and operable to subject said fibers in said triangular space to suction, said first drum having a suction zone adjoining said triangular space and communicating with said suction-exerting means, said second drum having a structured outside peripheral surface, said first and second drums being operable to rotate in the same sense to that said first drum revolves away from said triangular space and said second drum revolves toward said triangular space on said one side of said drum so that said fibers received in said triangular space and subjected to suction therein through said suction zone are twisted together to form a yarn when said first and second drums are thus rotated; said apparatus further comprising means for withdrawing said yarn toward one end of each of said first and second drums while holding said yarn against rotation.
Claim 3
Dependent Claim 21 words
Apparatus as set forth in claim 1, in which said outside peripheral surface of said second drum is formed with recesses.

References Cited (Backward Citations)

US3636693A Cited
US3913310A Cited
US3981137A Cited
US3972173A Cited
US4051653A Cited
US4060966A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1982-04-09 1982-10-09 1983-04-10 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1986-04-09 1986-10-09 1987-04-10 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1990-04-09 1990-10-09 1991-04-10 $7700.00 Window Closed / Lapsed

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