US3564304A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electrode configuration for tubular piezoelectric high-strain driver
Assignee: Individual
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Filing: 1969-09-22
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Granted: 1971-02-16
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Expires: 1989-09-22
Abstract
Abstract A cylindrical piezoelectric high-strain ultrasonic driver made up of a plurality of ceramic rings is imbedded in the interior of a steel roller which is used in a rolling mill. Long service life is obtained from the ultrasonic piezoelectric transducer because of a close-fitting, thin-walled, brass tube epoxied into position inside the ceramic rings that make up the ultrasonic transducer. A spider facilitates connection between the brass tube and the power source.
Inventors
- 👤 William E Thorn
- 👤 Robert H Whittaker
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 00:29
CPC Classifications
B; B06; B06B; B06B1/00; B06B1/02; B06B1/06; B06B1/0644; B06B1/0655
Claims Analysis
Total Claims: 6
Claim 1
Independent Claim
51 words
A cylindrical ultrasonic piezoelectric transducer disposed within a central opening extending axially through a solid roller comprising: a plurality of ceramic rings in intimate contact with each other bonded to said roller by an epoxy joint; and a tube of conducting metal bonded to the inside of said plurality of rings.
Claim 2
Dependent Claim
51 words
A cylindrical ultrasonic piezoelectric transducer disposed within a central opening extending axially through a solid roller comprising: a plurality of ceramic rings in intimate contact with each other bonded to said roller by an epoxy joint; and a tube of conducting metal bonded to the inside of said plurality of rings.
Claim 3
Dependent Claim
29 words
The ultrasonic piezoelectric transducer recited in claim 1 wherein said tube of conducting metal comprises thin-walled brass, machined for intimate contact with the inside of said plurality of rings.
Claim 4
Dependent Claim
21 words
The piezoelectric transducer of claim 1 wherein said tube is bonded to the inside of said ceramic rings by conducting epoxy.
Claim 5
Dependent Claim
27 words
The piezoelectric transducer of claim 3, further comprising a spider soldered to the center of said tube for faciLitating connection of a power source to said tube.
Claim 6
Dependent Claim
31 words
The piezoelectric transducer of claim 4 further comprising an electrical cable from said power source connected to the center of said spider at the approximate nodel point of the transducer assembly.
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) | 1974-02-15 | 1974-08-17 | 1975-02-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-02-15 | 1978-08-17 | 1979-02-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-02-15 | 1982-08-17 | 1983-02-16 | $7700.00 | Window Closed / Lapsed |