US3983608A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Textile treatment apparatus
Assignee: Techniservice Corp
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Filing: 1973-03-22
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Granted: 1976-10-05
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Expires: 1993-03-22
Abstract
Abstract Textile yarns or strands are drawn and crimped under controlled conditions of tension, speed, and temperature, at both input and output stages, with resulting beneficial effects upon the resulting product, by specified apparatus.
Inventors
- 👤 Robert K. Stanley
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 13:46
CPC Classifications
D; D02; D02G; D02G1/00; D02G1/12
Claims Analysis
Total Claims: 11
Claim 1
Independent Claim
118 words
An apparatus for treating yarn comprising yarn drawing means, yarn stuffer box crimping means, yarn constant-tension tensioning means, yarn speed-control means and yarn packaging means, said means being consecutively operatively connected, said yarn drawing means comprising a feed roll and a draw roll to draw yarn, and stuffer box crimping means being positioned in relationship to said drawing means for the receipt with a minimum delay of freshly drawn yarn, said yarn constant-tension tensioning means being positioned for the receipt of freshly crimped yarn from said stuffer box crimping means and for the application of a constant tension to said yarn and said yarn speed-control means being positioned for the receipt of the tensioned yarn for yarn packaging.
Claim 2
Independent Claim
118 words
An apparatus for treating yarn comprising yarn drawing means, yarn stuffer box crimping means, yarn constant-tension tensioning means, yarn speed-control means and yarn packaging means, said means being consecutively operatively connected, said yarn drawing means comprising a feed roll and a draw roll to draw yarn, and stuffer box crimping means being positioned in relationship to said drawing means for the receipt with a minimum delay of freshly drawn yarn, said yarn constant-tension tensioning means being positioned for the receipt of freshly crimped yarn from said stuffer box crimping means and for the application of a constant tension to said yarn and said yarn speed-control means being positioned for the receipt of the tensioned yarn for yarn packaging.
Claim 3
Independent Claim
109 words
An apparatus for treating yarn comprising yarn drawing means, yarn crimping means, yarn constant-tension tensioning means and yarn speed control means, said means being consecutively operatively connected, said yarn drawing means comprising a feed roll and a draw roll to draw yarn, said crimping means being positioned in relationship to said drawing means for the receipt with a minimum delay of freshly drawn yarn, said yarn constant-tension tensioning means being positioned for the receipt of freshly crimped yarn from said crimping means for and the application of a constant tension to said yarn, and said yarn speed control means being positioned for the receipt of the tensioned yarn therefrom.
Claim 4
Independent Claim
109 words
An apparatus for treating yarn comprising yarn drawing means, yarn crimping means, yarn constant-tension tensioning means and yarn speed control means, said means being consecutively operatively connected, said yarn drawing means comprising a feed roll and a draw roll to draw yarn, said crimping means being positioned in relationship to said drawing means for the receipt with a minimum delay of freshly drawn yarn, said yarn constant-tension tensioning means being positioned for the receipt of freshly crimped yarn from said crimping means for and the application of a constant tension to said yarn, and said yarn speed control means being positioned for the receipt of the tensioned yarn therefrom.
Claim 5
Dependent Claim
26 words
The apparatus of claim 2 wherein the yarn speed control means comprises a forwarding roll, and including packaging means operatively connected for receipt of yarn therefrom.
Claim 6
Independent Claim
108 words
An apparatus for treating yarn comprising yarn drawing means, yarn crimping means, yarn constant-tension tensioning means and yarn constant-speed windup means, said means being consecutively operatively connected, said yarn drawing means comprising a feed roll and a draw roll to draw yarn, said crimping means being positioned in relationship to said drawing means for the receipt with a minimum delay of freshly drawn yarn, said yarn constant-tension tensioning means being positioned for the receipt of freshly crimped yarn from said crimping means and for the application of a constant tension to said yarn and said yarn constant-speed windup means being positioned for the receipt of the tensioned yarn.
Claim 7
Independent Claim
108 words
An apparatus for treating yarn comprising yarn drawing means, yarn crimping means, yarn constant-tension tensioning means and yarn constant-speed windup means, said means being consecutively operatively connected, said yarn drawing means comprising a feed roll and a draw roll to draw yarn, said crimping means being positioned in relationship to said drawing means for the receipt with a minimum delay of freshly drawn yarn, said yarn constant-tension tensioning means being positioned for the receipt of freshly crimped yarn from said crimping means and for the application of a constant tension to said yarn and said yarn constant-speed windup means being positioned for the receipt of the tensioned yarn.
Claim 8
Dependent Claim
14 words
The apparatus of claim 4 wherein the crimping means is a stuffer box crimper.
Claim 9
Independent Claim
114 words
An apparatus for treating yarn comprising yarn drawing means, yarn crimping means, yarn constant-tension tensioning means and yarn speed-control means, said means being consecutively operatively connected, said yarn drawing means comprising a feed roll and a draw roll to draw yarn, said crimping means being positioned in relationship to said drawing means for the receipt with a minimum delay of freshly drawn yarn, said yarn constant-tension tensioning means being positioned for the receipt of freshly crimped yarn from said crimping means and for the application of a constant tension to said yarn and said yarn speed-control means including a forwarding roll positioned for the receipt of the tensioned yarn immediately prior to yarn packaging.
Claim 10
Independent Claim
114 words
An apparatus for treating yarn comprising yarn drawing means, yarn crimping means, yarn constant-tension tensioning means and yarn speed-control means, said means being consecutively operatively connected, said yarn drawing means comprising a feed roll and a draw roll to draw yarn, said crimping means being positioned in relationship to said drawing means for the receipt with a minimum delay of freshly drawn yarn, said yarn constant-tension tensioning means being positioned for the receipt of freshly crimped yarn from said crimping means and for the application of a constant tension to said yarn and said yarn speed-control means including a forwarding roll positioned for the receipt of the tensioned yarn immediately prior to yarn packaging.
Claim 11
Dependent Claim
14 words
The apparatus of claim 6 wherein the crimping means is a stuffer box crimper.
References Cited (Backward Citations)
US2734228A
Cited
US3654677A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1979-10-05 | 1980-04-05 | 1980-10-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1983-10-05 | 1984-04-05 | 1984-10-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1987-10-05 | 1988-04-05 | 1988-10-05 | $7700.00 | Window Closed / Lapsed |