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US3829298A Expired / Lapsed US ⏱️ 0.0 years remaining

Method of forming a screw shaped gear hone

Assignee: Kashifuji Works Ltd
•
Filing: 1971-10-28
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Granted: 1974-08-13
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Expires: 1991-10-28
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Abstract

Abstract A WORM-SHAPE OR SCREW-SHAPE HONE, FOR HONING GEAR COMPACTED AND BOUND SOLID PARTICLES, FOR EXAMPLE FUELS TEETH, HAS THE TOOTH PROFILE OF THE BASIC RACK AT ITS NORMAL SUCH AS BARBECUE BRIQUETTES AND FIREPLACE LOGS MADE FROM PARTICULATE COMBUSTIBLE MATERIALS SUCH AS SAWDUST, WOOD PLANE. THE HONE IS FORMED BY MOLDING SYNTHETIC POLYMERS IN WHICH THERE ARE DISPERSED ABRASIVE PARTICLES, TO PROFLOUR, CHARCOAL, AND COKE IN WHICH THE BINDER FOR THE COM: BUSTIBLE MATERIALS IS CELLUSOSE FIBERS DERIVED FROM PAPER VIDE A SHORE HARDNESS OF 15*-75* AND A YOUNG''S MODULUS 0.5-70X10**3 KG./CM.2. THE HONE IS ENGAGED WITH THE GEAR PULP. TO BE FIBISHED AND IS ROTATED BY A MOTOR WITH THE HONE DRIVING THE GEAR. DURING HONING OF THE GEAR, THE HONE IS FED PARALLEL TO THE AXIS OR TOOTH TRACE OF THE GEAR OVER THE WHOLE FACE WIDETH OF THE GEAR. THE POLYMER MATERIAL MAY COMPRISE A CO-CURED BLEND OF POLYURETHANE RUBBER AND EPOXY RESIN HAVING A SUITABLE FLEXIBILITY, GOOD RESILIENCY AND HIGH ABRASION RESISTANCE, AND THE ABRASIVE PARTICLES MAY COMPROSES ALUNDUM OR CARBORUNDUM, THE ABRASIVE PARTICLES BEING EXPOSED AT THE WORKING SURFACE OF THE HONE.

Inventors

  • 👤 M Ainoura

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-25 11:42
CPC Classifications
B; B24; B24D; B24D18/00; B23; B23F; B23F21/00; B23F21/03; B23F21/035; C; C08; C08L; C08L63/00

Claims Analysis

Total Claims: 0
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References Cited (Backward Citations)

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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) 1977-08-12 1978-02-11 1978-08-13 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1981-08-12 1982-02-11 1982-08-13 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1985-08-12 1986-02-11 1986-08-13 $7700.00 Window Closed / Lapsed

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