FR736993A - Filter improvements for vacuum cleaners - Google Patents

Filter improvements for vacuum cleaners

Info

Publication number
FR736993A
FR736993A FR736993DA FR736993A FR 736993 A FR736993 A FR 736993A FR 736993D A FR736993D A FR 736993DA FR 736993 A FR736993 A FR 736993A
Authority
FR
France
Prior art keywords
vacuum cleaners
filter
filter improvements
cleaners
vacuum
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
Other languages
French (fr)
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.)
Inventia Patent Verwertungs Gesellschaft
Original Assignee
Inventia Patent Verwertungs Gesellschaft
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 Inventia Patent Verwertungs Gesellschaft filed Critical Inventia Patent Verwertungs Gesellschaft
Application granted granted Critical
Publication of FR736993A publication Critical patent/FR736993A/en
Expired legal-status Critical Current

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
    • A47L9/12—Dry filters
    • A47L9/122—Dry filters flat
    • 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
    • A47L5/00—Structural features of suction cleaners
    • A47L5/12—Structural features of suction cleaners with power-driven air-pumps or air-compressors, e.g. driven by motor vehicle engine vacuum
    • A47L5/22—Structural features of suction cleaners with power-driven air-pumps or air-compressors, e.g. driven by motor vehicle engine vacuum with rotary fans
    • A47L5/36—Suction cleaners with hose between nozzle and casing; Suction cleaners for fixing on staircases; Suction cleaners for carrying on the back
    • A47L5/362—Suction cleaners with hose between nozzle and casing; Suction cleaners for fixing on staircases; Suction cleaners for carrying on the back of the horizontal type, e.g. canister or sledge type

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
FR736993D 1931-05-11 1932-05-11 Filter improvements for vacuum cleaners Expired FR736993A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE736993X 1931-05-11

Publications (1)

Publication Number Publication Date
FR736993A true FR736993A (en) 1932-12-05

Family

ID=6642465

Family Applications (1)

Application Number Title Priority Date Filing Date
FR736993D Expired FR736993A (en) 1931-05-11 1932-05-11 Filter improvements for vacuum cleaners

Country Status (1)

Country Link
FR (1) FR736993A (en)

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