Patent US3246378A successfully refreshed from Google Patents.
US3246378A
Expired / Lapsed
US
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Napping machine
Assignee: A Monforts Maschinenfabrik
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Filing: 1963-08-23
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Granted: 1966-04-19
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Expires: 1983-08-23
Abstract
No abstract record available.
Inventors
- 👤 Beckers Gustav
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 14:00
CPC Classifications
D; D06; D06C; D06C11/00
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
115 words
IN A NAPPING MACHINE, A NAPPING ROLLER INCLUDING A CORE ELEMENT, RADIALLY EXTENDING MEMBERS SECURED TO SAID CORE AND SPACED THEREALONG AT PREDETERMINED DISTANCES, A PLURALITY OF SHAFTS EXTENDING PARALLEL TO THE AXIS OF SAID CORE AND SECURED IN SAID MEMBERS, EACH SAID SHAFT HAVING A PLURALITY OF NAPPING NEEDLES LOOSELY PIVOTED THEREON, SAID SHAFTS BEING SPACED CIRCUMFERENTIALLY ABOUT THE CORE SUCH THAT THE SPACING OF THE NEEDLE POINTS ABOUT THE CIRCUMFERENCE OF THE ROLLER IS SUBSTANTIALLY THE SAME AS THE LENGTH OF SAID NEEDLES, AND MEANS TO ROTATE SAID NAPPING ROLLER AT A SELECTED SPEED WHEN IT IS IN USE SO THAT THE RESISTANCE TO DEFLECTION OF EACH NEEDLE IS LESS THAN 10 GRAMS.
Claim 2
Dependent Claim
115 words
IN A NAPPING MACHINE, A NAPPING ROLLER INCLUDING A CORE ELEMENT, RADIALLY EXTENDING MEMBERS SECURED TO SAID CORE AND SPACED THEREALONG AT PREDETERMINED DISTANCES, A PLURALITY OF SHAFTS EXTENDING PARALLEL TO THE AXIS OF SAID CORE AND SECURED IN SAID MEMBERS, EACH SAID SHAFT HAVING A PLURALITY OF NAPPING NEEDLES LOOSELY PIVOTED THEREON, SAID SHAFTS BEING SPACED CIRCUMFERENTIALLY ABOUT THE CORE SUCH THAT THE SPACING OF THE NEEDLE POINTS ABOUT THE CIRCUMFERENCE OF THE ROLLER IS SUBSTANTIALLY THE SAME AS THE LENGTH OF SAID NEEDLES, AND MEANS TO ROTATE SAID NAPPING ROLLER AT A SELECTED SPEED WHEN IT IS IN USE SO THAT THE RESISTANCE TO DEFLECTION OF EACH NEEDLE IS LESS THAN 10 GRAMS.
References Cited (Backward Citations)
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US661650A
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US753970A
Cited
US1153738A
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Cited
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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) | 1969-04-18 | 1969-10-18 | 1970-04-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-04-18 | 1973-10-18 | 1974-04-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-04-18 | 1977-10-18 | 1978-04-19 | $7700.00 | Window Closed / Lapsed |