US3623705A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Solution mixing apparatus
Assignee: Ilford Imaging UK Ltd
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Filing: 1968-11-08
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Granted: 1971-11-30
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Expires: 1988-11-08
Abstract
Abstract This application describes an apparatus for the continuous mixing of liquids which comprises a cylindrical mixing chamber which contains axially supported at both ends thereof a free running paddle which has a plurality of blades the length of which is substantially the length of the mixing chamber, two or more liquid inlet jets equidistantly spaced around the circumference of the mixing chamber at the same level, each jet being arranged to discharge liquid tangentically into the mixing chamber in the same rotational direction and there being a restriction-free exit aperture from the mixing chamber positioned axially at one end of the mixing chamber, the other end being closed.
Inventors
- 👤 James Arthur Townsley
- 👤 Roy Trunley
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 03:01
CPC Classifications
B; B01; B01F; B01F27/00; B01F27/55
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
129 words
An apparatus for the continuous mixing of liquids which comprises a vertical cylindrical mixing chamber having top and bottom ends and which contains axially supported at both ends thereof a free running paddle which has a plurality of blades the length of which is substantially the length of the mixing chamber, two or more liquid inlet jets equidistantly spaced around the circumference of the mixing chamber at the same level, each jet being arranged to discharge liquid tangentially into the mixing chamber in the same rotational direction, means for supplying at least two different liquids to at least two of the liquid inlet jets and there being an exit aperture from the mixing chamber positioned axially in the bottom end of the mixing chamber, the top end being closed.
Claim 2
Independent Claim
129 words
An apparatus for the continuous mixing of liquids which comprises a vertical cylindrical mixing chamber having top and bottom ends and which contains axially supported at both ends thereof a free running paddle which has a plurality of blades the length of which is substantially the length of the mixing chamber, two or more liquid inlet jets equidistantly spaced around the circumference of the mixing chamber at the same level, each jet being arranged to discharge liquid tangentially into the mixing chamber in the same rotational direction, means for supplying at least two different liquids to at least two of the liquid inlet jets and there being an exit aperture from the mixing chamber positioned axially in the bottom end of the mixing chamber, the top end being closed.
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) | 1974-11-29 | 1975-05-31 | 1975-11-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-11-29 | 1979-05-31 | 1979-11-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-11-29 | 1983-05-31 | 1983-11-30 | $7700.00 | Window Closed / Lapsed |