Patent US3583566A successfully refreshed from Google Patents.
US3583566A
Expired / Lapsed
US
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Filter press
Assignee: Individual
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Filing: 1969-09-30
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Granted: 1971-06-08
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Expires: 1989-09-30
Abstract
Abstract A filter press comprises filter plates disposed horizontally, a device adapted to press the filter plates against one another and a support net arranged in a zigzag manner between the plates. Replaceable paper filter tapes are disposed above the support net on the horizontal parts thereof and the paper tapes and support net can be advanced when the press is open to remove the replaceable paper tapes and replace the same with fresh tape. The filter press is designed to filter low-concentrated suspensions in which the concentration of the solid phase is less than 5 g.p.l. and which form precipitate layers that are less than 5 mm. thick.
Inventors
- 👤 Mikhail Yakovlevi Meshengisser
- 👤 Ivan Semenovich Ermakov
- 👤 Georgy Mikhailovich Kochkin
- 👤 Filipp Nikolaevich Shakhov
- 👤 Gennady Georgievich Kotlyarov
- 👤 Dmitry Danilovich Sheljubsky
- 👤 Vladimir Petrovich Sabbatovsky
- 👤 Vladislav Alexeevich Egorov
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 02:46
CPC Classifications
B; B01; B01D; B01D25/00; B01D25/12; B01D25/127; B01D25/1275
Claims Analysis
Total Claims: 5
Claim 1
Independent Claim
245 words
A filter press comprising a plurality of horizontally disposed longitudinal filter plates each including upper and lower parts, the upper parts confining chambers into which filtrate is delivered, and the lower parts confining chambers into which suspension is supplied; means for pressing said filter plates against one another and for separating them; rollers secured to said filter plates; a support net resting on said rollers and arranged in a zigzag manner between the lower part of each plate and the upper part of the next lower plate; replaceable paper filter tapes placed above said support net on the horizontal parts thereof between the plates; means for draining filtrate from said upper parts of the filter plates, means for supplying suspension to said lower parts of the filter plates; the filtering taking place with said plates compressed, suspension being delivered into said lower part of each plate, filtrate passing through said paper filter tape and said support net into the upper part of the next plate disposed therebelow while a precipitate is formed on the upper surface of the filter tape, means for feeding the paper tape onto the support net, the latter means being mounted at the locations where the support net enters into said filter plates and between opposite branches of the zigzag support net, and means for removing the spent paper tape from the support net, the latter means being mounted at the locations where said support net exits from said filter plates.
Claim 2
Dependent Claim
245 words
A filter press comprising a plurality of horizontally disposed longitudinal filter plates each including upper and lower parts, the upper parts confining chambers into which filtrate is delivered, and the lower parts confining chambers into which suspension is supplied; means for pressing said filter plates against one another and for separating them; rollers secured to said filter plates; a support net resting on said rollers and arranged in a zigzag manner between the lower part of each plate and the upper part of the next lower plate; replaceable paper filter tapes placed above said support net on the horizontal parts thereof between the plates; means for draining filtrate from said upper parts of the filter plates, means for supplying suspension to said lower parts of the filter plates; the filtering taking place with said plates compressed, suspension being delivered into said lower part of each plate, filtrate passing through said paper filter tape and said support net into the upper part of the next plate disposed therebelow while a precipitate is formed on the upper surface of the filter tape, means for feeding the paper tape onto the support net, the latter means being mounted at the locations where the support net enters into said filter plates and between opposite branches of the zigzag support net, and means for removing the spent paper tape from the support net, the latter means being mounted at the locations where said support net exits from said filter plates.
Claim 3
Dependent Claim
25 words
A filter plate according to claim 1 in which said means for removing the spent paper filter tape from said support net comprises a roller.
Claim 4
Dependent Claim
25 words
A filter plate according to claim 2 comprising means drivingly connecting the rollers for removing the spent tape with the rollers supporting the supporT net.
Claim 5
Dependent Claim
20 words
A filter plate according to claim 2 comprising a hermetic partition separating the upper and lower parts of each plates.
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) | 1974-06-07 | 1974-12-07 | 1975-06-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-06-07 | 1978-12-07 | 1979-06-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-06-07 | 1982-12-07 | 1983-06-08 | $7700.00 | Window Closed / Lapsed |