US4726525A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Vibrating element for ultrasonic injection
Assignee: Tonen General Sekiyu KK
•
Filing: 1986-05-09
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Granted: 1988-02-23
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Expires: 2006-05-09
Abstract
Abstract The present invention consists of a vibrating element for ultrasonic injection in which the edged portion for atomizing liquid includes helical screw threads having either a uniformed diameter or varying diameters.
Inventors
- 👤 Yoshiaki Yonekawa
- 👤 Yoshinobu Nakamura
- 👤 Yoshiyasu Oba
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 09:06
CPC Classifications
B; B05; B05B; B05B17/00; B05B17/04; B05B17/06; B05B17/0607; B05B17/0623; B05B17/063; F; F02; F02M; F02M69/00; F02M69/04; F02M69/041; F23; F23D; F23D11/00; F23D11/34; F23D11/345
Claims Analysis
Total Claims: 9
Claim 1
Independent Claim
82 words
In an article for use in combination with an ultrasonic injection nozzle for liquid materials, said nozzle including an ultrasonic generating means wherein the improvement comprises an element having a longitudinal axis and a first and second ends, said first end adapted to be connected to said ultrasonic generating means, and said second end of said element having an edged portion on which a helical screw thread is formed, said helical screw thread being adapted to sever and atomize said liquid material.
Claim 2
Dependent Claim
82 words
In an article for use in combination with an ultrasonic injection nozzle for liquid materials, said nozzle including an ultrasonic generating means wherein the improvement comprises an element having a longitudinal axis and a first and second ends, said first end adapted to be connected to said ultrasonic generating means, and said second end of said element having an edged portion on which a helical screw thread is formed, said helical screw thread being adapted to sever and atomize said liquid material.
Claim 3
Dependent Claim
36 words
The article according to claim 1, wherein said edged portion is defined on an outer peripheral wall of said second end of said element, and said helical screw thread being formed on said outer peripheral wall.
Claim 4
Dependent Claim
24 words
The article according to claim 1, wherein said edged portion is formed on an inner peripheral wall of said second end of said element.
Claim 5
Dependent Claim
13 words
The article according to claim 2, wherein said element has a uniform diameter.
Claim 6
Dependent Claim
13 words
The article according to claim 2, wherein said element has a varying diameter.
Claim 7
Dependent Claim
13 words
The article according to claim 3, wherein said element has a uniform diameter.
Claim 8
Dependent Claim
13 words
The article according to claim 3, wherein said element has a varying diameter.
Claim 9
Dependent Claim
17 words
The article according to claim 2, wherein said edged portion is in the form of a staircase.
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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) | 1991-02-22 | 1991-08-24 | 1992-02-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1995-02-22 | 1995-08-24 | 1996-02-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1999-02-22 | 1999-08-24 | 2000-02-23 | $7700.00 | Window Closed / Lapsed |