US3969090A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Industrial brush
Assignee: Andersen Corp
•
Filing: 1973-06-22
•
Granted: 1976-07-13
•
Expires: 1993-06-22
Abstract
Abstract An industrial brush having a base adapted to be mounted for rotation and having a plurality of strands extending from the base, each strand consisting of a tube braided from filaments of synthetic resin.
Inventors
- 👤 Robert C. Sasena
- 👤 Roger E. Priest
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 19:40
CPC Classifications
B; B24; B24D; B24D13/00; B24D13/02; B24D13/10
Claims Analysis
Total Claims: 8
Claim 1
Independent Claim
75 words
An industrial brush, comprising: a. a base having a central bore through which a spindle can pass for rotation of the base, and b. a plurality of generally cylindrical filaments with their axes extending radially from the base, each filament consisting of a tube braided from strands of a synthetic resin, a core extending through the center of the braided tube, the core being formed of nylon in which is embedded fine particles of abrasive.
Claim 2
Dependent Claim
75 words
An industrial brush, comprising: a. a base having a central bore through which a spindle can pass for rotation of the base, and b. a plurality of generally cylindrical filaments with their axes extending radially from the base, each filament consisting of a tube braided from strands of a synthetic resin, a core extending through the center of the braided tube, the core being formed of nylon in which is embedded fine particles of abrasive.
Claim 3
Dependent Claim
14 words
An industrial brush as recited in claim 1, wherein the synthetic resin is polypropylene.
Claim 4
Dependent Claim
17 words
An industrial brush as recited in claim 1, wherein the filaments are impregnated with a treatment compound.
Claim 5
Dependent Claim
85 words
An industrial brush, comprising: a. a base having a central bore through which a spindle can pass for rotation of the base, and b. a plurality of generally cylindrical filaments with their axes extending radially from the base, each filament consisting of a tube braided from strands of a synthetic resin, a core extending through the center of the braided tube, the core consisting of a steel wire wherein the steel is readily work-hardenable subject to continuous breaking during use to produce new sharp edges.
Claim 6
Dependent Claim
85 words
An industrial brush, comprising: a. a base having a central bore through which a spindle can pass for rotation of the base, and b. a plurality of generally cylindrical filaments with their axes extending radially from the base, each filament consisting of a tube braided from strands of a synthetic resin, a core extending through the center of the braided tube, the core consisting of a steel wire wherein the steel is readily work-hardenable subject to continuous breaking during use to produce new sharp edges.
Claim 7
Dependent Claim
14 words
An industrial brush as recited in claim 4, wherein the synthetic resin is polypropylene.
Claim 8
Dependent Claim
17 words
An industrial brush as recited in claim 4, wherein the filaments are impregnated with a treatment compound.
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) | 1979-07-13 | 1980-01-12 | 1980-07-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1983-07-13 | 1984-01-12 | 1984-07-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1987-07-13 | 1988-01-12 | 1988-07-13 | $7700.00 | Window Closed / Lapsed |