Patent US3706167A successfully refreshed from Google Patents.
US3706167A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Finishing apparatus
Assignee: Schaffner Manufacturing Co Inc
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Filing: 1970-10-13
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Granted: 1972-12-19
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Expires: 1990-10-13
Abstract
Abstract There is disclosed a work-finishing wheel including an annulus of flaps bonded near the center to form a substantially solid hub in which flaps of woven abrasive web or fabric are interleaved with flaps of non-woven fibrous abrasive web or fabric of the material disclosed in Hoover et al. U.S. Pat. No. 2,958,593.
Inventors
- 👤 Rober D Schaffner
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 19:22
CPC Classifications
B; B24; B24D; B24D13/00; B24D13/02; B24D13/04
Claims Analysis
Total Claims: 4
Claim 1
Independent Claim
89 words
A finishing wheel comprising an annulus of flaps, the radially inner surfaces of said flaps being bonded together for a predetermined distance along said flaps to form an inner substantially solid hub, from which the unbonded portions of the flaps extend, the said wheel being characterized by that in said annulus flaps of woven abrasive fabric are interleaved with flaps of non-woven fibrous abrasive fabric, the said fabric being a uniform lofty open non-woven three dimensional lightweight web formed of many interlaced randomly disposed fibers which exhibit substantial resiliency.
Claim 2
Dependent Claim
89 words
A finishing wheel comprising an annulus of flaps, the radially inner surfaces of said flaps being bonded together for a predetermined distance along said flaps to form an inner substantially solid hub, from which the unbonded portions of the flaps extend, the said wheel being characterized by that in said annulus flaps of woven abrasive fabric are interleaved with flaps of non-woven fibrous abrasive fabric, the said fabric being a uniform lofty open non-woven three dimensional lightweight web formed of many interlaced randomly disposed fibers which exhibit substantial resiliency.
Claim 3
Dependent Claim
49 words
The finishing wheel of claim 1 wherein the non-woven fibrous abrasive flaps are substantially thicker than the woven abrasive flaps and are resilient, the non-woven fibrous abrasive flaps being compressed so that the resilience of the said non-woven fibrous abrasive flaps contributes to the formation of a tight annulus.
Claim 4
Dependent Claim
50 words
The finishing wheel of claim 1 wherein one surface of the woven abrasive flaps is abrasive and the opposite surface is smooth and in the annuluS the abrasive surfaces of some of said abrasive flaps faces in one direction and the abrasive surfaces of others face in the opposite direction.
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) | 1975-12-19 | 1976-06-19 | 1976-12-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1979-12-19 | 1980-06-19 | 1980-12-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1983-12-19 | 1984-06-19 | 1984-12-19 | $7700.00 | Window Closed / Lapsed |