US4106382A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Circular saw tool
Assignee: Individual
•
Filing: 1977-05-24
•
Granted: 1978-08-15
•
Expires: 1997-05-24
Abstract
Abstract Circular saw tool, with a single-ply or multi-ply disc-shaped saw blade and teeth distributed over the circumference thereof, the saw blade being provided on each side with a bonded covering.
Inventors
- 👤 Ernst Salje
- 👤 Ulrich Bartsch
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 21:02
CPC Classifications
B; B23; B23D; B23D61/00; B23D61/02; B23D61/025; B23D61/026; B23B; B23B2250/00; B23B2250/12; B23B2250/125; Y; Y10; Y10T; Y10T83/00; Y10T83/929; Y10T83/9319; Y10T83/9372; Y10T83/9403
Claims Analysis
Total Claims: 7
Claim 1
Independent Claim
92 words
A circular saw tool, with a single-ply or multi-ply disc-shaped saw blade and teeth distributed over the circumference thereof, the saw blade being provided on each side with a covering having the shape of a thin round blank and an intermediate layer consisting of an adhesive having a high degree of elasticity which connects the covering to the blade, said coverings together with said layers of adhesive providing a noise suppression system as well as an encapsulation on both sides of the saw blade for reducing noise radiated by the saw blade.
Claim 2
Dependent Claim
92 words
A circular saw tool, with a single-ply or multi-ply disc-shaped saw blade and teeth distributed over the circumference thereof, the saw blade being provided on each side with a covering having the shape of a thin round blank and an intermediate layer consisting of an adhesive having a high degree of elasticity which connects the covering to the blade, said coverings together with said layers of adhesive providing a noise suppression system as well as an encapsulation on both sides of the saw blade for reducing noise radiated by the saw blade.
Claim 3
Dependent Claim
12 words
A tool according to claim 1, wherein the covering consists of metal.
Claim 4
Dependent Claim
12 words
A tool according to claim 2, wherein the covering consists of brass.
Claim 5
Dependent Claim
24 words
A tool according to claim 2, wherein the thickness of the covering on each side is in the range of 0.2 to 0.26 millimeters.
Claim 6
Dependent Claim
28 words
A tool according to claim 1, wherein the thickness of the covering on each side is of the order of magnitude of a few tenths of a millimeter.
Claim 7
Dependent Claim
34 words
A tool according to claim 1, wherein the covering on each side extends in the radial direction substantially from the central bore of the saw blade to the region of the tooth gap bases.
References Cited (Backward Citations)
US1083645A
Cited
US2624381A
Cited
US3812755A
Cited
US3799025A
Cited
US3990338A
Cited
US3854364A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1981-08-14 | 1982-02-13 | 1982-08-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1985-08-14 | 1986-02-13 | 1986-08-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1989-08-14 | 1990-02-13 | 1990-08-15 | $7700.00 | Window Closed / Lapsed |