US3811258A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Twisting devices for filaments, especially for textile filaments
Assignee: Textile dite Socitex SC
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Filing: 1971-09-24
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Granted: 1974-05-21
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Expires: 1991-09-24
Abstract
Abstract The device has several rotary rings against which the filament must be applied so as to be driven in rotation by the inner edge of the said rotary rings to undergo twisting. These rotary rings, being staggered along a rectilinear path and distributed in two groups, which overlap so that in following the rectilinear path there is encountered alternately a ring of one group and a ring of the other group. These two groups can undergo relative displacement in a plane perpendicular to the rectilinear path. The rings of the two groups are urged against a single drive roller driving the said rings, and the relative displacement of the two groups is effected by pivoting around the axis of this single drive roller.
Inventors
- 👤 G Batsch
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 22:52
CPC Classifications
D; D02; D02G; D02G1/00; D02G1/02; D02G1/04; D02G1/08; D02G1/082
Claims Analysis
Total Claims: 9
Claim 1
Independent Claim
148 words
A twisting device for filaments, especially textile filaments, comprising a plurality of spaced superimposed rotary rings through which said filament is adapted to extend in engagement with the inner edge of each ring to undergo twisting during rotation of said rings, said superimposed rings being arranged in two groups, the rings of one group being interposed between the rings of the other group, the rings of each group being arranged on a common axis, and the axes of both groups being parallel; a single drive roller means; means for holding each of said rings in direct engagement with said drive roller means so that said rings are rotated by said drive roller means about their axes; and means for displacing the two groups of rings relative to each other about the axis of said drive roller means in a direction substantially normal to the axis of the latter.
Claim 2
Dependent Claim
148 words
A twisting device for filaments, especially textile filaments, comprising a plurality of spaced superimposed rotary rings through which said filament is adapted to extend in engagement with the inner edge of each ring to undergo twisting during rotation of said rings, said superimposed rings being arranged in two groups, the rings of one group being interposed between the rings of the other group, the rings of each group being arranged on a common axis, and the axes of both groups being parallel; a single drive roller means; means for holding each of said rings in direct engagement with said drive roller means so that said rings are rotated by said drive roller means about their axes; and means for displacing the two groups of rings relative to each other about the axis of said drive roller means in a direction substantially normal to the axis of the latter.
Claim 3
Dependent Claim
90 words
A twisting device as defined in claim 1, wherein said means for holding each of said rings in direct engagement with said drive roller means is pivotable about the axis of the latter, and wherein said means for displacing the two groups of rings relative to each other about the axis of said drive roller means comprise means connected to said holding means of at least one of said groups for pivoting the respective holding means and therewith the rings held thereby about the axis of said drive roller means.
Claim 4
Dependent Claim
25 words
A twisting device as defined in claim 1, wherein one of the groups of rings is fixed and the other group of rings is displaceable.
Claim 5
Dependent Claim
27 words
A twisting device as defined in claim 3, wherein said one group comprises at least two rotary rings and the other group at least one rotary ring.
Claim 6
Dependent Claim
52 words
A twisting device as defined in claim 1, and including a setting device adjacent a ring on one end of said plurality of superimposed rings, said setting device having an axis arranged substantially tangential to the inner edge of the ring adjacent thereto in the active position of the group of rings.
Claim 7
Dependent Claim
203 words
A twisting device for filaments, especially textile filaments, comprising a plurality of spaced superimposed rotary rings through which said filament is adapted to extend in engagement with the inner edge of each ring to undergo twisting during rotatation of said rings, said superimposed rings being arranged in two groups, the rings of one group being interposed between the rings of the other group, the rings of each group being arranged on a common axis, the axes of both groups being parallel, and each of said rings being provided on its outer peripheral surface with a peripheral groove; drive roller means comprising a plurality of drive discs respectively engaged in the grooves of said rings; holding means for holding each disc in engagement in the groove of the respective ring, said holding means comprising a fixed support for each ring of one of said groups, a mobile support for each ring of the other of said groups, a pair of rollers on each of said supports and engaged in the groove of the respective ring, and biasing means biasing at least one of the rollers of each pair against the respective ring; and drive means for rotating said drive roller means about its axis.
Claim 8
Dependent Claim
203 words
A twisting device for filaments, especially textile filaments, comprising a plurality of spaced superimposed rotary rings through which said filament is adapted to extend in engagement with the inner edge of each ring to undergo twisting during rotatation of said rings, said superimposed rings being arranged in two groups, the rings of one group being interposed between the rings of the other group, the rings of each group being arranged on a common axis, the axes of both groups being parallel, and each of said rings being provided on its outer peripheral surface with a peripheral groove; drive roller means comprising a plurality of drive discs respectively engaged in the grooves of said rings; holding means for holding each disc in engagement in the groove of the respective ring, said holding means comprising a fixed support for each ring of one of said groups, a mobile support for each ring of the other of said groups, a pair of rollers on each of said supports and engaged in the groove of the respective ring, and biasing means biasing at least one of the rollers of each pair against the respective ring; and drive means for rotating said drive roller means about its axis.
Claim 9
Dependent Claim
23 words
A twisting device as defined in claim 6, wherein said drive means comprises a tangential belt in engagement with said drive roller means.
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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) | 1977-05-20 | 1977-11-19 | 1978-05-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1981-05-20 | 1981-11-19 | 1982-05-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1985-05-20 | 1985-11-19 | 1986-05-21 | $7700.00 | Window Closed / Lapsed |