US3823448A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Multi-purpose fluid yarn treating apparatus
Assignee: Celanese Corp
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Filing: 1971-09-28
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Granted: 1974-07-16
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Expires: 1991-09-28
Abstract
Abstract A multi-purpose fluid yarn treating apparatus and process, the apparatus having a yarn processing bore and at least one fluid entry port having a recess designed to accommodate any one of a plurality of inserts. The inserts have the ability to change the direction, diameter, number and cross-section of fluid entry orifices.
Inventors
- 👤 J Roberts
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 15:44
CPC Classifications
D; D02; D02J; D02J1/00; D02J1/08
Claims Analysis
Total Claims: 4
Claim 1
Independent Claim
81 words
A fluid yarn treating jet comprising a body member having a yarn processing bore disposed therein said yarn processing bore having a slot member running the entire length thereof and having a least one fluid entry port which is designed to receive an interchangeable insert said insert being positioned away from said slot member and designed so as to cause a processing fluid to exert both a forwarding action and a retarding action on yarn passing through said yarn processing bore.
Claim 2
Dependent Claim
81 words
A fluid yarn treating jet comprising a body member having a yarn processing bore disposed therein said yarn processing bore having a slot member running the entire length thereof and having a least one fluid entry port which is designed to receive an interchangeable insert said insert being positioned away from said slot member and designed so as to cause a processing fluid to exert both a forwarding action and a retarding action on yarn passing through said yarn processing bore.
Claim 3
Dependent Claim
33 words
The apparatus of claim 1 wherein a valve means is disposed between said insert and a fluid supply source whereby fluid flow may be alternated between said forwarding action and said retarding action.
Claim 4
Dependent Claim
13 words
The apparatus of claim 2 wherein said valve means is a fluidic multi-vibrator.
References Cited (Backward Citations)
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Cited
US3095343A
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US3261071A
Cited
GB1155062A
Cited
US3396442A
Cited
US3609834A
Cited
US3727275A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1977-07-15 | 1978-01-14 | 1978-07-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1981-07-15 | 1982-01-14 | 1982-07-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1985-07-15 | 1986-01-14 | 1986-07-16 | $7700.00 | Window Closed / Lapsed |