US2724507A - Filter division strip - Google Patents

Filter division strip Download PDF

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Publication number
US2724507A
US2724507A US353382A US35338253A US2724507A US 2724507 A US2724507 A US 2724507A US 353382 A US353382 A US 353382A US 35338253 A US35338253 A US 35338253A US 2724507 A US2724507 A US 2724507A
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United States
Prior art keywords
strip
drum
division strip
division
strips
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Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Lifetime
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US353382A
Inventor
Henry C Cataldo
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FILTRATION ENGINEERS Inc
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FILTRATION ENGINEERS Inc
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Publication date
Application filed by FILTRATION ENGINEERS Inc filed Critical FILTRATION ENGINEERS Inc
Priority to US353382A priority Critical patent/US2724507A/en
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Publication of US2724507A publication Critical patent/US2724507A/en
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D33/00—Filters with filtering elements which move during the filtering operation
    • B01D33/06—Filters with filtering elements which move during the filtering operation with rotary cylindrical filtering surfaces, e.g. hollow drums
    • B01D33/067—Construction of the filtering drums, e.g. mounting or sealing arrangements
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D33/00—Filters with filtering elements which move during the filtering operation
    • B01D33/06—Filters with filtering elements which move during the filtering operation with rotary cylindrical filtering surfaces, e.g. hollow drums
    • B01D33/073—Filters with filtering elements which move during the filtering operation with rotary cylindrical filtering surfaces, e.g. hollow drums arranged for inward flow filtration
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T24/00—Buckles, buttons, clasps, etc.
    • Y10T24/45—Separable-fastener or required component thereof [e.g., projection and cavity to complete interlock]
    • Y10T24/45225—Separable-fastener or required component thereof [e.g., projection and cavity to complete interlock] including member having distinct formations and mating member selectively interlocking therewith
    • Y10T24/45958—Plural distinct cavities or projections

Definitions

  • This invention relates to drum type compartmentized filters of the well-known type incorporating spaced, parallel division strips extending longitudinally of the drum surface and drainage members located between the strips.
  • the object of the present invention is to provide an improved type of division strip and cooperating drainage member construction.
  • the division strips 1 are welded or otherwise suitably secured to the outer surface of the drum shell 2 and, as will be seen, incorporate along their sides oppositely opening grooves 3, 4 disposed at diiierent distances from the drum surface. More specifically, the strips are of substantially S-shaped cross section, into which form they can be milled from bar stock or formed up from strip or sheet metal, as will be understood. The oppositely opening grooves are thus overlapped.
  • drainage members 5 Cooperating with the strips are drainage members 5 which, as is well known, may consist of any one of a variety of suitable materials.
  • the indicated members Patented Nov. 22, 1955 may be formed, for example, of molded rubber; but, of whatever form or material, they are provided along their opposite edges With flanges 6, 7 which are similarly disposed to lie at different distances from the drum surface for interlocking engagement with the correspondingly located division strip grooves.
  • a drum type compartmentized filter comprising the combination with a drum of a series of division strips secured to and extending longitudinally of the drum surface, each said strip incorporating along its sides oppositely opening grooves disposed at different distances from the drum surface, and drainage members arranged around the drum surface intermediate the division strips, each said member having an end flange at each end, the end flanges of each member being likewise disposed at different distances from the drum surface for interlocking engagement in the grooves of the division strips.

Description

United States Patent FILTER DIVISION STRIP Henry C. Cataldo, Springfield, N. 5., assignor to Filtration Engineers Incorporated, Newark, N. 3., a corporation of New York Application May 6, 1953, Serial No. 353,382
1 Claim. (Cl. 210-199) This invention relates to drum type compartmentized filters of the well-known type incorporating spaced, parallel division strips extending longitudinally of the drum surface and drainage members located between the strips.
The object of the present invention is to provide an improved type of division strip and cooperating drainage member construction.
The preferred form of the invention is illustrated in the accompanying drawing, which is a cross-section of the portion of the periphery of a drum, omitting the usual pipes and other details having no relation to the invention.
The division strips 1 are welded or otherwise suitably secured to the outer surface of the drum shell 2 and, as will be seen, incorporate along their sides oppositely opening grooves 3, 4 disposed at diiierent distances from the drum surface. More specifically, the strips are of substantially S-shaped cross section, into which form they can be milled from bar stock or formed up from strip or sheet metal, as will be understood. The oppositely opening grooves are thus overlapped.
Cooperating with the strips are drainage members 5 which, as is well known, may consist of any one of a variety of suitable materials. The indicated members Patented Nov. 22, 1955 may be formed, for example, of molded rubber; but, of whatever form or material, they are provided along their opposite edges With flanges 6, 7 which are similarly disposed to lie at different distances from the drum surface for interlocking engagement with the correspondingly located division strip grooves.
It will thus be seen that since both the drainage member flanges and their locating grooves are overlapped, the division strip can be quite narrow and the dead area of the filter surface thereby reduced to a minimum. This is of particular advantage in connection, for example, with so-called string discharge filters in that it greatly facilitates the formation of a continuous cake.
In the light of the foregoing description, the following is claimed:
A drum type compartmentized filter, comprising the combination with a drum of a series of division strips secured to and extending longitudinally of the drum surface, each said strip incorporating along its sides oppositely opening grooves disposed at different distances from the drum surface, and drainage members arranged around the drum surface intermediate the division strips, each said member having an end flange at each end, the end flanges of each member being likewise disposed at different distances from the drum surface for interlocking engagement in the grooves of the division strips.
References Cited in the file of this patent UNITED STATES PATENTS 959,979 Webb et a1. May 31, 1910 1,892,306 Hillier Dec. 27, 1932 2,381,635 Baker Aug. 7, 1945 2,534,161 Collins Dec. 12, 1950 FOREIGN PATENTS 416,485 Germany July 16, 1925
US353382A 1953-05-06 1953-05-06 Filter division strip Expired - Lifetime US2724507A (en)

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Application Number Priority Date Filing Date Title
US353382A US2724507A (en) 1953-05-06 1953-05-06 Filter division strip

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Application Number Priority Date Filing Date Title
US353382A US2724507A (en) 1953-05-06 1953-05-06 Filter division strip

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US2724507A true US2724507A (en) 1955-11-22

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Cited By (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3175691A (en) * 1956-08-31 1965-03-30 Dorr Oliver Inc Device for detachably securing drainage members on filters
US3235086A (en) * 1962-01-15 1966-02-15 Ametek Inc Filter
US3306457A (en) * 1963-09-16 1967-02-28 Improved Machinery Inc Drum filter
US4276169A (en) * 1980-04-10 1981-06-30 Dorr-Oliver Incorporated Drainage deck assembly for rotary vacuum drum filter
US4906364A (en) * 1988-12-29 1990-03-06 Ingersoll-Rand Company Filter deck assembly sliding seal
US5798039A (en) * 1997-02-07 1998-08-25 Wiesemann; Fred E. Drum filter system with removable filter elements and a pawl rotation mechanism
US20020148763A1 (en) * 2001-04-16 2002-10-17 Lutz Mark S. Screen cylinder and method
US6579458B2 (en) * 1998-09-14 2003-06-17 Heinrich Fiedler Gmbh & Co. Kg Screening device
US20160051914A1 (en) * 2014-08-22 2016-02-25 Joel Kimmett Clement Pinned fly ring for rotary drum washer and method of manufacture
US20200164290A1 (en) * 2017-06-07 2020-05-28 Sabic Global Technologies B.V. Rotary vacuum filter, method, and use
WO2021173945A1 (en) * 2020-02-28 2021-09-02 Andritz Inc. Rotary drum filter deck assembly comprising a clip
US20210291201A1 (en) * 2018-09-14 2021-09-23 Guntram Krettek Method for fixing a metal sheet and filter device produced therewith

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US959979A (en) * 1908-06-16 1910-05-31 William G Webb Fastening means for screen-plates.
DE416485C (en) * 1923-09-20 1925-07-16 Ph Nebrich Vorm Reinicke & Jas Cloth tensioning device for the filter cloths of drum filters
US1892306A (en) * 1930-10-13 1932-12-27 Oliver United Filters Inc Filter
US2381635A (en) * 1942-06-15 1945-08-07 United States Gypsum Co Partition structure
US2534161A (en) * 1948-11-06 1950-12-12 Lummus Co Filter drum screen fastening means

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US959979A (en) * 1908-06-16 1910-05-31 William G Webb Fastening means for screen-plates.
DE416485C (en) * 1923-09-20 1925-07-16 Ph Nebrich Vorm Reinicke & Jas Cloth tensioning device for the filter cloths of drum filters
US1892306A (en) * 1930-10-13 1932-12-27 Oliver United Filters Inc Filter
US2381635A (en) * 1942-06-15 1945-08-07 United States Gypsum Co Partition structure
US2534161A (en) * 1948-11-06 1950-12-12 Lummus Co Filter drum screen fastening means

Cited By (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3175691A (en) * 1956-08-31 1965-03-30 Dorr Oliver Inc Device for detachably securing drainage members on filters
US3235086A (en) * 1962-01-15 1966-02-15 Ametek Inc Filter
US3306457A (en) * 1963-09-16 1967-02-28 Improved Machinery Inc Drum filter
US4276169A (en) * 1980-04-10 1981-06-30 Dorr-Oliver Incorporated Drainage deck assembly for rotary vacuum drum filter
US4906364A (en) * 1988-12-29 1990-03-06 Ingersoll-Rand Company Filter deck assembly sliding seal
US5798039A (en) * 1997-02-07 1998-08-25 Wiesemann; Fred E. Drum filter system with removable filter elements and a pawl rotation mechanism
US6579458B2 (en) * 1998-09-14 2003-06-17 Heinrich Fiedler Gmbh & Co. Kg Screening device
US20020148763A1 (en) * 2001-04-16 2002-10-17 Lutz Mark S. Screen cylinder and method
US6915910B2 (en) 2001-04-16 2005-07-12 J&L Fiber Services, Inc. Screen cylinder and method
US20160051914A1 (en) * 2014-08-22 2016-02-25 Joel Kimmett Clement Pinned fly ring for rotary drum washer and method of manufacture
US10076716B2 (en) * 2014-08-22 2018-09-18 Gl&V Usa Inc. Pinned fly ring for rotary drum washer and method of manufacture
US20200164290A1 (en) * 2017-06-07 2020-05-28 Sabic Global Technologies B.V. Rotary vacuum filter, method, and use
US20210291201A1 (en) * 2018-09-14 2021-09-23 Guntram Krettek Method for fixing a metal sheet and filter device produced therewith
WO2021173945A1 (en) * 2020-02-28 2021-09-02 Andritz Inc. Rotary drum filter deck assembly comprising a clip
US20210268410A1 (en) * 2020-02-28 2021-09-02 Andritz Inc. Rotary drum filter deck assembly comprising a clip

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