US3200466A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus for crimping filaments
Assignee: Joseph Bancroft and Sons Co
•
Filing: 1963-07-01
•
Granted: 1965-08-17
•
Expires: 1983-07-01
Abstract
No abstract record available.
Inventors
- 👤 Robert J Duga
- 👤 Henry A Sinski
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 16:46
CPC Classifications
D; D02; D02G; D02G1/00; D02G1/12; D02G1/125
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
185 words
APPARATUS FOR CRIMPING FILAMENTS OR YARNS COMPRISING AN ELONGATED TUBE FORMING A CRIMPING CHAMBER, A PAIR OF FEED ROLLSL POSITIONED TO FEED FILAMENTS TO BE CRIMPED INTO THE BOTTOM OF SAID TUBE TO BE FOLDED OVER AND CRIMPED AGAINST THE BACK PRESSURE OF THE MASS OF PREVIOUSLY CRIMPED FILAMENTS IN SAID TUBE, A WINDER WITHDRAWING THE CRIMPED FILAMENTS FROM THE TOP OF SAID TUBE, SEPARATE MEANS DRIVING SAID FEED ROLLS AND SAID WINDER, SAID TUBE HAVING AN ELONGATED SLOT IN THE ZONE OF THE TOP OF THE MASS OF CRIMPED FILAMENTS THEREIN, AND MEANS RESPONSIVE TO THE LEVEL OF SAID MASS OF CRIMPED FILAMENTS WITH RESPECT TO SAID SLOT TO CONTROL ONE OF SAID INDEPENDENT DRIVE MEANS IN A SENSE TO MAINTAIN SAID MASS AT A CONSTANT LEVEL, SAID LAST MEANS COMPRISING A BRACKET, A MERCURY SWITCH PIVOTALLY MOUNTED ON SAID BRACKET AND ADAPTED TO BE OPENED OR CLOSED BY PIVOTAL MOVEMENT, A FEELER WIRE ATTACHED TO SAID SWITCH AND EXTENDING THROUGH SAID SLOT, SAID SWITCH BEING SUBSTANTIALLY BALANCED AND ADAPTED TO CAUSE SAID FEELER WIRE TO REST LIGHTLY UPON THE MASS OF FILAMENTS IN
Claim 2
Dependent Claim
185 words
APPARATUS FOR CRIMPING FILAMENTS OR YARNS COMPRISING AN ELONGATED TUBE FORMING A CRIMPING CHAMBER, A PAIR OF FEED ROLLSL POSITIONED TO FEED FILAMENTS TO BE CRIMPED INTO THE BOTTOM OF SAID TUBE TO BE FOLDED OVER AND CRIMPED AGAINST THE BACK PRESSURE OF THE MASS OF PREVIOUSLY CRIMPED FILAMENTS IN SAID TUBE, A WINDER WITHDRAWING THE CRIMPED FILAMENTS FROM THE TOP OF SAID TUBE, SEPARATE MEANS DRIVING SAID FEED ROLLS AND SAID WINDER, SAID TUBE HAVING AN ELONGATED SLOT IN THE ZONE OF THE TOP OF THE MASS OF CRIMPED FILAMENTS THEREIN, AND MEANS RESPONSIVE TO THE LEVEL OF SAID MASS OF CRIMPED FILAMENTS WITH RESPECT TO SAID SLOT TO CONTROL ONE OF SAID INDEPENDENT DRIVE MEANS IN A SENSE TO MAINTAIN SAID MASS AT A CONSTANT LEVEL, SAID LAST MEANS COMPRISING A BRACKET, A MERCURY SWITCH PIVOTALLY MOUNTED ON SAID BRACKET AND ADAPTED TO BE OPENED OR CLOSED BY PIVOTAL MOVEMENT, A FEELER WIRE ATTACHED TO SAID SWITCH AND EXTENDING THROUGH SAID SLOT, SAID SWITCH BEING SUBSTANTIALLY BALANCED AND ADAPTED TO CAUSE SAID FEELER WIRE TO REST LIGHTLY UPON THE MASS OF FILAMENTS IN
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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) | 1968-08-16 | 1969-02-15 | 1969-08-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-08-16 | 1973-02-15 | 1973-08-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-08-16 | 1977-02-15 | 1977-08-17 | $7700.00 | Window Closed / Lapsed |