US3858816A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Yarn bundle with piecing end and method of forming same
Assignee: Rhone Poulenc Textile SA
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Filing: 1972-10-16
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Granted: 1975-01-07
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Expires: 1992-10-16
Abstract
Abstract A yarn bundle wound on a support including a piecing end having an initial piecing winding wound around an end portion of the support and a principal piecing winding wound over the initial piecing winding with a reverse pitch relative thereto such that the initial piecing winding is captured by the principal piecing winding, and a method of forming a yarn bundle with a piecing end as described above including moving a yarn guide toward an end of a support, catching yarn to be wound on the support near the end of the support to deliver the yarn to a rotating element to form the initial piecing winding, and moving the yarn guide away from the end of the support to form the principal piecing winding over the initial piecing winding.
Inventors
- 👤 Claude Corbiere
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 07:30
CPC Classifications
B; B65; B65H; B65H54/00; B65H54/02; B65H54/28; B65H54/34; B65H54/343; B65H2701/00; B65H2701/30; B65H2701/31
Claims Analysis
Total Claims: 7
Claim 1
Independent Claim
107 words
A method of forming a piecing end for a yarn bundle wound on a rotating support comprising the steps of positioning a length yarn to be wound near an end of the support; moving a yarn guide toward the end of the support; catching the length of yarn to be wound with the yarn guide near the end of the support; delivering the caught yarn for engagement with a rotating element to form an initial piecing winding around an end portion of the support; and moving the yarn guide away from the end of the support to form a principal piecing winding over the initial piecing winding.
Claim 2
Independent Claim
107 words
A method of forming a piecing end for a yarn bundle wound on a rotating support comprising the steps of positioning a length yarn to be wound near an end of the support; moving a yarn guide toward the end of the support; catching the length of yarn to be wound with the yarn guide near the end of the support; delivering the caught yarn for engagement with a rotating element to form an initial piecing winding around an end portion of the support; and moving the yarn guide away from the end of the support to form a principal piecing winding over the initial piecing winding.
Claim 3
Dependent Claim
47 words
The method as recited in claim 1 wherein said positioning step includes positioning the length of yarn to be wound at an oblique angle relative to a plane transverse to the longitudinal axis of the support and passing through a guide ring for the length of yarn.
Claim 4
Dependent Claim
30 words
The method as recited in claim 2 wherein said positioning step includes positioning the length of yarn to be wound to contact a portion of the surface of the support.
Claim 5
Dependent Claim
25 words
The method as recited in claim 1 including cutting the yarn downstream of the support after delivery of the caught yarn to the rotating element.
Claim 6
Dependent Claim
38 words
The method as recited in claim 1 wherein said positioning step includes positioning the length of yarn to be wound such that the rotating element cannot engage the yarn until delivery of the yarn by the yarn guide.
Claim 7
Dependent Claim
32 words
The method as recited in claim 1 wherein said delivering step includes moving the yarn guide toward the end of the support after delivery of the caught yarn to the rotating element.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1978-01-06 | 1978-07-08 | 1979-01-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1982-01-06 | 1982-07-08 | 1983-01-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1986-01-06 | 1986-07-08 | 1987-01-07 | $7700.00 | Window Closed / Lapsed |