US3737608A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method and apparatus for sterilizing the interior of a vessel containing a fluid with some void space allowed therein
Assignee: Toshiba Corp
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Filing: 1971-03-28
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Granted: 1973-06-05
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Expires: 1991-03-28
Abstract
Abstract A method for thermally sterilizing the interior of a vessel containing a fluid with some void space allowed therein comprises moving the vessel so as to cause the fluid contained therein to flow over its entire inner walls and irradiating microwave energy to the vessel while it is moved.
Inventors
- 👤 T Nagao
- 👤 T Toishi
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 05:26
CPC Classifications
B; B65; B65B; B65B55/00; B65B55/02; B65B55/04; B65B55/08
Claims Analysis
Total Claims: 4
Claim 1
Independent Claim
75 words
An apparatus for sterilizing the interior of ampuls each having a neck portion and a body portion and containing a liquid medicine with some void space therein comprising: a microwave power source; a microwave oven; a waveguide for conducting microwaves from said microwave power source to said microwave oven; an ampul holder for supporting ampuls with their neck portions directed downward; and means for moving said ampul holder up and down within said microwave oven.
Claim 2
Independent Claim
75 words
An apparatus for sterilizing the interior of ampuls each having a neck portion and a body portion and containing a liquid medicine with some void space therein comprising: a microwave power source; a microwave oven; a waveguide for conducting microwaves from said microwave power source to said microwave oven; an ampul holder for supporting ampuls with their neck portions directed downward; and means for moving said ampul holder up and down within said microwave oven.
Claim 3
Independent Claim
127 words
An apparatus for sterilizing the interior of ampuls each having a neck portion and body portion and containing a liquid medicine with some void space therein comprising: a microwave power source; a microwave oven; a waveguide for conducting microwaves from said microwave power source to said microwave oven; an ampul holder for supporting ampuls with their neck portions direCted downward; conveyor means for moving said ampul holder horizontally in said microwave oven; spring means for urging upward said ampul holder on said conveyor means; and means provided in said microwave oven for forcing downwardly said ampul holder against the force of said spring means until said ampul holder further moves and disengages therefrom, thereby to permit said spring means to move said ampul holder up and down.
Claim 4
Independent Claim
127 words
An apparatus for sterilizing the interior of ampuls each having a neck portion and body portion and containing a liquid medicine with some void space therein comprising: a microwave power source; a microwave oven; a waveguide for conducting microwaves from said microwave power source to said microwave oven; an ampul holder for supporting ampuls with their neck portions direCted downward; conveyor means for moving said ampul holder horizontally in said microwave oven; spring means for urging upward said ampul holder on said conveyor means; and means provided in said microwave oven for forcing downwardly said ampul holder against the force of said spring means until said ampul holder further moves and disengages therefrom, thereby to permit said spring means to move said ampul holder up and down.
References Cited (Backward Citations)
US599205A
Cited
US2095502A
Cited
US2058826A
Cited
US3481266A
Cited
US3494722A
Cited
US3674422A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1976-06-04 | 1976-12-04 | 1977-06-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1980-06-04 | 1980-12-04 | 1981-06-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1984-06-04 | 1984-12-04 | 1985-06-05 | $7700.00 | Window Closed / Lapsed |