GB756084A - Improvements in or relating to filter elements - Google Patents

Improvements in or relating to filter elements

Info

Publication number
GB756084A
GB756084A GB750154A GB750154A GB756084A GB 756084 A GB756084 A GB 756084A GB 750154 A GB750154 A GB 750154A GB 750154 A GB750154 A GB 750154A GB 756084 A GB756084 A GB 756084A
Authority
GB
United Kingdom
Prior art keywords
disc
relating
filter elements
metafiltration
burrs
Prior art date
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
Application number
GB750154A
Inventor
Joseph Allen Pickard
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Metafiltration Co Ltd
Original Assignee
Metafiltration Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Priority to BE536398D priority Critical patent/BE536398A/xx
Application filed by Metafiltration Co Ltd filed Critical Metafiltration Co Ltd
Priority to GB750154A priority patent/GB756084A/en
Priority to FR1127430D priority patent/FR1127430A/en
Publication of GB756084A publication Critical patent/GB756084A/en
Expired legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D29/00—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor
    • B01D29/39—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor with hollow discs side by side on, or around, one or more tubes, e.g. of the leaf type
    • B01D29/41—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor with hollow discs side by side on, or around, one or more tubes, e.g. of the leaf type mounted transversely on the tube

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Separation Using Semi-Permeable Membranes (AREA)

Abstract

756,084. Filters. METAFILTRATION CO. Ltd. Feb. 14, 1955 [March 15, 1954], No. 7501/54. Class 46. A filter element comprises annular paper discs a, b united at their outer peripheries (not shown) and including between them a slightly smaller annular metal drainage disc e perforated with a series of concentric rings of fine holes g, adjacent holes being pierced from opposite sides of the disc and burrs h being left around each hole by the piercing operation, as in Specification 737,234. To the disc e is spot-welded a washer i having undulated inner and outer edges and, on the face contacting the disc e, channels l.
GB750154A 1954-03-15 1954-03-15 Improvements in or relating to filter elements Expired GB756084A (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
BE536398D BE536398A (en) 1954-03-15
GB750154A GB756084A (en) 1954-03-15 1954-03-15 Improvements in or relating to filter elements
FR1127430D FR1127430A (en) 1954-03-15 1955-03-10 Enhancements to filter elements

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB750154A GB756084A (en) 1954-03-15 1954-03-15 Improvements in or relating to filter elements

Publications (1)

Publication Number Publication Date
GB756084A true GB756084A (en) 1956-08-29

Family

ID=9834325

Family Applications (1)

Application Number Title Priority Date Filing Date
GB750154A Expired GB756084A (en) 1954-03-15 1954-03-15 Improvements in or relating to filter elements

Country Status (3)

Country Link
BE (1) BE536398A (en)
FR (1) FR1127430A (en)
GB (1) GB756084A (en)

Also Published As

Publication number Publication date
FR1127430A (en) 1956-12-17
BE536398A (en)

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