US3077641A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus for opening, carding and cleaning fibrous materials
Assignee: Daiwa Boseki KK
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Filing: 1960-04-18
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Granted: 1963-02-19
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Expires: 1980-04-18
Abstract
No abstract record available.
Inventors
- 👤 Aoki Kunio
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 11:53
CPC Classifications
D; D01; D01G; D01G15/00; D01G15/02; D01G15/12; D01G15/14; D01G15/20
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
180 words
AN APPARATUS FOR OPENING, CARDING AND CLEANING FIBROUS MATERIALS, COMPRISING A CARDING CYLINDER, A LICKERIN BESIDE SAID CARDING CYLINDER AND IN CONTACT THEREWITH, A FEED ROLLER AND DISH PLATE ADJACENT SAID LICKER-IN FOR FEEDING FIBROUS MATERIALS TO SAID LICKER-IN, A MOTE KNIFE BENEATH SAID LICKER-IN, A HOLLOW PERFORATED ROLLER IMMEDIATELY ABOVE SAID LICKER-IN AND TANGENT TO SAID CARDING CYLINDER, AND ROTATING IN THE SAME DIRECTION AS SAID LICKERIN, A SUCTION TUBE IN SAID HOLLOW PERFORATED ROLLER CONNECTED TO AN EXHAUST MEANS, SAID SUCTION TUBE HAVING A SUCTION OPENING THEREIN POINTING TOWARD THE POINT AT WHICH SAID CARDING CYLINDER AND LICKER-IN ARE IN CONTACT, AND COVERS OVER SAID CARDING CYLINDER AND SAID LICKER-IN AND SAID HOLLOW ROLLER, WHEREBY A REDUCED PRESSURE CAN BE CREATED IN THE SPACE BETWEEN SAID LICKER-IN, SAID CARDING CYLINDER AND SAID HOLLOW ROLLER, WHICH REDUCED PRESSURE CREATES A STREAM OF AIR FLOWING ALONG THE BOTTOM OF SAID LICKER-IN OVER SAID MOTE KNIFE AND THROUGH THE POINT OF CONTACT BETWEEN SAID LICKER-IN AND SAID CARDING CYLINDER INTO SAID SPACE, AND ELIMINATES EDDY CURRENTS BENEATH SAID POINT OF CONTACT.
Claim 2
Independent Claim
180 words
AN APPARATUS FOR OPENING, CARDING AND CLEANING FIBROUS MATERIALS, COMPRISING A CARDING CYLINDER, A LICKERIN BESIDE SAID CARDING CYLINDER AND IN CONTACT THEREWITH, A FEED ROLLER AND DISH PLATE ADJACENT SAID LICKER-IN FOR FEEDING FIBROUS MATERIALS TO SAID LICKER-IN, A MOTE KNIFE BENEATH SAID LICKER-IN, A HOLLOW PERFORATED ROLLER IMMEDIATELY ABOVE SAID LICKER-IN AND TANGENT TO SAID CARDING CYLINDER, AND ROTATING IN THE SAME DIRECTION AS SAID LICKERIN, A SUCTION TUBE IN SAID HOLLOW PERFORATED ROLLER CONNECTED TO AN EXHAUST MEANS, SAID SUCTION TUBE HAVING A SUCTION OPENING THEREIN POINTING TOWARD THE POINT AT WHICH SAID CARDING CYLINDER AND LICKER-IN ARE IN CONTACT, AND COVERS OVER SAID CARDING CYLINDER AND SAID LICKER-IN AND SAID HOLLOW ROLLER, WHEREBY A REDUCED PRESSURE CAN BE CREATED IN THE SPACE BETWEEN SAID LICKER-IN, SAID CARDING CYLINDER AND SAID HOLLOW ROLLER, WHICH REDUCED PRESSURE CREATES A STREAM OF AIR FLOWING ALONG THE BOTTOM OF SAID LICKER-IN OVER SAID MOTE KNIFE AND THROUGH THE POINT OF CONTACT BETWEEN SAID LICKER-IN AND SAID CARDING CYLINDER INTO SAID SPACE, AND ELIMINATES EDDY CURRENTS BENEATH SAID POINT OF CONTACT.
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) | 1966-02-18 | 1966-08-20 | 1967-02-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-02-18 | 1970-08-20 | 1971-02-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-02-18 | 1974-08-20 | 1975-02-19 | $7700.00 | Window Closed / Lapsed |