CH324168A - Expandable paper filter for dust vacuum - Google Patents

Expandable paper filter for dust vacuum

Info

Publication number
CH324168A
CH324168A CH324168DA CH324168A CH 324168 A CH324168 A CH 324168A CH 324168D A CH324168D A CH 324168DA CH 324168 A CH324168 A CH 324168A
Authority
CH
Switzerland
Prior art keywords
paper filter
dust vacuum
expandable paper
expandable
dust
Prior art date
Application number
Other languages
French (fr)
Inventor
Dexter Cropley William
Original Assignee
Hoover 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 Hoover Ltd filed Critical Hoover Ltd
Publication of CH324168A publication Critical patent/CH324168A/en

Links

Classifications

    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47L—DOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
    • A47L9/00—Details or accessories of suction cleaners, e.g. mechanical means for controlling the suction or for effecting pulsating action; Storing devices specially adapted to suction cleaners or parts thereof; Carrying-vehicles specially adapted for suction cleaners
    • A47L9/10—Filters; Dust separators; Dust removal; Automatic exchange of filters
    • A47L9/14—Bags or the like; Rigid filtering receptacles; Attachment of, or closures for, bags or receptacles

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Filters For Electric Vacuum Cleaners (AREA)
CH324168D 1953-05-18 1954-05-18 Expandable paper filter for dust vacuum CH324168A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US355805A US2751041A (en) 1953-05-18 1953-05-18 Filter bag

Publications (1)

Publication Number Publication Date
CH324168A true CH324168A (en) 1957-09-15

Family

ID=23398922

Family Applications (1)

Application Number Title Priority Date Filing Date
CH324168D CH324168A (en) 1953-05-18 1954-05-18 Expandable paper filter for dust vacuum

Country Status (7)

Country Link
US (1) US2751041A (en)
BE (1) BE528940A (en)
CH (1) CH324168A (en)
DE (1) DE1143308B (en)
FR (1) FR1105257A (en)
GB (1) GB750750A (en)
NL (2) NL91193C (en)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3107989A (en) * 1961-10-18 1963-10-22 Studley Paper Company Inc Disposable filter bag
US3199275A (en) * 1962-02-27 1965-08-10 Studley Paper Company Inc Conical filter
US3370406A (en) * 1963-11-29 1968-02-27 Studley Paper Company Inc Vacuum cleaner filter bag
US3350859A (en) * 1965-10-04 1967-11-07 Studley Paper Company Inc Vacuum cleaner filter bag
US3491522A (en) * 1967-05-22 1970-01-27 Studley Paper Co Vacuum cleaner filter bag
US3815333A (en) * 1973-06-01 1974-06-11 Royer G Dampening unit for an electric vacuum sweeper bag
US4119414A (en) * 1976-12-15 1978-10-10 National Union Electric Corporation Filter bag construction for a vacuum cleaner and method of operation
EP2465397B1 (en) * 2010-12-17 2014-06-11 Wolf PVG GmbH & Co. KG Vacuum cleaner bag and method for manufacturing same

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE626763C (en) * 1931-07-15 1936-03-09 Anton Burkhard Dipl Ing Bag with garbage bag
US2295981A (en) * 1939-12-23 1942-09-15 Hoover Co Suction cleaner
US2444762A (en) * 1940-05-14 1948-07-06 Harry F Waters Bag and process of making the same
US2418371A (en) * 1943-04-08 1947-04-01 Hoover Co Suction cleaner
US2637409A (en) * 1950-10-26 1953-05-05 Singer Mfg Co Disposable dust bag for vacuum cleaners
US2641333A (en) * 1951-04-18 1953-06-09 Hoover Co Suction cleaner
US2672213A (en) * 1952-06-19 1954-03-16 Hoover Co Filter and method of making the same

Also Published As

Publication number Publication date
DE1143308B (en) 1963-02-07
BE528940A (en)
FR1105257A (en) 1955-11-29
GB750750A (en) 1956-06-20
NL187642B (en)
US2751041A (en) 1956-06-19
NL91193C (en)

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