GB257711A - Improvements in and relating to means for use in filtration or separation processes - Google Patents

Improvements in and relating to means for use in filtration or separation processes

Info

Publication number
GB257711A
GB257711A GB1811725A GB1811725A GB257711A GB 257711 A GB257711 A GB 257711A GB 1811725 A GB1811725 A GB 1811725A GB 1811725 A GB1811725 A GB 1811725A GB 257711 A GB257711 A GB 257711A
Authority
GB
United Kingdom
Prior art keywords
bag
paper
porous
neck
indraught
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
GB1811725A
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.)
ES&A Robinson Canada Ltd
ES&A Robinson Ltd
Original Assignee
ES&A Robinson Canada Ltd
ES&A Robinson 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
Application filed by ES&A Robinson Canada Ltd, ES&A Robinson Ltd filed Critical ES&A Robinson Canada Ltd
Priority to GB1811725A priority Critical patent/GB257711A/en
Publication of GB257711A publication Critical patent/GB257711A/en
Expired legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
    • B01D46/02—Particle separators, e.g. dust precipitators, having hollow filters made of flexible material

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Filters For Electric Vacuum Cleaners (AREA)

Abstract

257,711. Nicholas, F., and Robinson, Ltd., E. S. & A. July 15, 1925. Paper bags; materials, special, for bags and linings.-A vacuum cleaner filter bag comprises a porous paper bag having a valve which opens under indraught. The Figure shows a double bag, the outer bag being porous or formed with minute perforations and with a neck or valve portion 2 which may be of paper and has a collar 3 of metal, cardboard, &c. for connection to the discharge from the cleaner. The inner end of this neck portion comprises flattened portions adapted to be opened by the indraught. The. inner bag is formed with relatively large perforations. A single bag of pure Manila or other porous paper, with a neck of crepe kraft or other stout non-porous paper may be used.
GB1811725A 1925-07-15 1925-07-15 Improvements in and relating to means for use in filtration or separation processes Expired GB257711A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB1811725A GB257711A (en) 1925-07-15 1925-07-15 Improvements in and relating to means for use in filtration or separation processes

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB1811725A GB257711A (en) 1925-07-15 1925-07-15 Improvements in and relating to means for use in filtration or separation processes

Publications (1)

Publication Number Publication Date
GB257711A true GB257711A (en) 1926-09-09

Family

ID=10106928

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1811725A Expired GB257711A (en) 1925-07-15 1925-07-15 Improvements in and relating to means for use in filtration or separation processes

Country Status (1)

Country Link
GB (1) GB257711A (en)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2800194A (en) * 1953-03-09 1957-07-23 Peek Roelof Theodorus Disposable dust bag
US2804166A (en) * 1953-05-11 1957-08-27 Electrolux Corp Dust containers for vacuum cleaners
US2813596A (en) * 1953-12-02 1957-11-19 Kimberly Clark Co Disposable filter bag
DE1177616B (en) * 1958-09-17 1964-09-10 Kufferath Geb Filter bags, especially for disc filters
WO2022197632A1 (en) * 2021-03-16 2022-09-22 Donaldson Company, Inc. Enlarged opening filter bags, support assemblies, and filter bag assemblies

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2800194A (en) * 1953-03-09 1957-07-23 Peek Roelof Theodorus Disposable dust bag
US2804166A (en) * 1953-05-11 1957-08-27 Electrolux Corp Dust containers for vacuum cleaners
US2813596A (en) * 1953-12-02 1957-11-19 Kimberly Clark Co Disposable filter bag
DE1177616B (en) * 1958-09-17 1964-09-10 Kufferath Geb Filter bags, especially for disc filters
WO2022197632A1 (en) * 2021-03-16 2022-09-22 Donaldson Company, Inc. Enlarged opening filter bags, support assemblies, and filter bag assemblies

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