Patent · US Expired

Ultrasonic device

US3946829A · kind A · utility

7Cited by

9References

4Claims

0Family size

Assignee

Nippon Tokushu Togyo Kabushiki Kaisha

Inventors

Eiji Mori · Kamakura, JP
Kozo Okada
Saburo Ueno

Key dates

Filing date	Oct 17, 1973
Grant date	Mar 30, 1976
Priority date	—
Expiry date	Oct 17, 1993

Classification

Technology area (CPC G)Physics
CPC primaryG10K11/32
WIPO fieldChemical engineering
WIPO sectorChemistry

Abstract

An ultrasonic device for convergently radiating ultrasonic energy including a metallic ring vibrated to resonance by at least one electromechanical transducer fixed on the outer circumference of the ring, thereby to deliver high power ultrasonic waves from the inner circumference of the ring into the vacant center thereof.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.