US3169296A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus for fluid treatment of synthetic filaments
Assignee: EIDP Inc
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Filing: 1963-02-14
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Granted: 1965-02-16
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Expires: 1983-02-14
Abstract
No abstract record available.
Inventors
- 👤 Jr Francis Joseph Clendening
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 13:08
CPC Classifications
D; D02; D02G; D02G1/00; D02G1/16; D02G1/161
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
163 words
IN AN APPARATUS FOR TREATING SYNTHETIC FILAMENTS WITH HOT GAS OR STEAM TO INTRODUCE A CURVILINEAR CRIMP WITH A BULKING JET HAVING PASSAGES FOR A FILAMENTARY STRAND PASSING THROUGH THE BULKING JET, A CHAMBER FOR TREATING THE STRAND DURING PASSAGE THROUGH THE BULKING JET, AND MEANS FOR INTRODUCING TREATING FLUID INTO THE CHAMBER TO IMPINGE AGAIST THE FILAMENTS; MEANS FOR FEEDING A STRAND INTO THE BULKING JET FOR TREATMENT AND CONVEYOR MEANS HAVING A FORAMINOUS SURFACE FOR RECEIVING THE TREATED STRAND FROM THE BULKING JET, SEPARATING THE STRAND FROM TREATING FLUID AND CONVEYING THE STRAND AWAY; THE IMPROVEMENTS COMPRISING A BULKING JET HAVING A BODY WITH A RECESS, A REMOVALBE CORE WHICH MATES WITHIN THE BODY RECESS AND EXTENDS THROUGH THE BODY, GUIDE MEANS FOR POSITIONING THE CORE WITHIN THE BODY, LOCKING MEANS FOR HOLDING THE CORE IN OPERATING POSITION WITHIN THE BODY, STRAND PASSAGES AND A TREATING CHAMBER CUT INTO THE SURFACE OF THE CORE, A STRING-UP SLOT THROUGH THE BODY INTO
Claim 2
Dependent Claim
163 words
IN AN APPARATUS FOR TREATING SYNTHETIC FILAMENTS WITH HOT GAS OR STEAM TO INTRODUCE A CURVILINEAR CRIMP WITH A BULKING JET HAVING PASSAGES FOR A FILAMENTARY STRAND PASSING THROUGH THE BULKING JET, A CHAMBER FOR TREATING THE STRAND DURING PASSAGE THROUGH THE BULKING JET, AND MEANS FOR INTRODUCING TREATING FLUID INTO THE CHAMBER TO IMPINGE AGAIST THE FILAMENTS; MEANS FOR FEEDING A STRAND INTO THE BULKING JET FOR TREATMENT AND CONVEYOR MEANS HAVING A FORAMINOUS SURFACE FOR RECEIVING THE TREATED STRAND FROM THE BULKING JET, SEPARATING THE STRAND FROM TREATING FLUID AND CONVEYING THE STRAND AWAY; THE IMPROVEMENTS COMPRISING A BULKING JET HAVING A BODY WITH A RECESS, A REMOVALBE CORE WHICH MATES WITHIN THE BODY RECESS AND EXTENDS THROUGH THE BODY, GUIDE MEANS FOR POSITIONING THE CORE WITHIN THE BODY, LOCKING MEANS FOR HOLDING THE CORE IN OPERATING POSITION WITHIN THE BODY, STRAND PASSAGES AND A TREATING CHAMBER CUT INTO THE SURFACE OF THE CORE, A STRING-UP SLOT THROUGH THE BODY INTO
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) | 1968-02-16 | 1968-08-17 | 1969-02-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-02-16 | 1972-08-17 | 1973-02-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-02-16 | 1976-08-17 | 1977-02-16 | $7700.00 | Window Closed / Lapsed |