CH266618A - Dust vacuum cleaner. - Google Patents

Dust vacuum cleaner.

Info

Publication number
CH266618A
CH266618A CH266618DA CH266618A CH 266618 A CH266618 A CH 266618A CH 266618D A CH266618D A CH 266618DA CH 266618 A CH266618 A CH 266618A
Authority
CH
Switzerland
Prior art keywords
vacuum cleaner
dust vacuum
dust
cleaner
vacuum
Prior art date
Application number
Other languages
French (fr)
Inventor
Limited Hoover
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 CH266618A publication Critical patent/CH266618A/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
    • A47L9/20—Means for cleaning filters
    • C—CHEMISTRY; METALLURGY
    • C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B35/00—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
    • C04B35/01—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on oxide ceramics
    • C04B35/26—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on oxide ceramics based on ferrites
    • C04B35/2608—Compositions containing one or more ferrites of the group comprising manganese, zinc, nickel, copper or cobalt and one or more ferrites of the group comprising rare earth metals, alkali metals, alkaline earth metals or lead
    • C04B35/2616—Compositions containing one or more ferrites of the group comprising manganese, zinc, nickel, copper or cobalt and one or more ferrites of the group comprising rare earth metals, alkali metals, alkaline earth metals or lead containing lithium
    • C—CHEMISTRY; METALLURGY
    • C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B35/00—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
    • C04B35/01—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on oxide ceramics
    • C04B35/26—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on oxide ceramics based on ferrites
    • C04B35/265—Compositions containing one or more ferrites of the group comprising manganese or zinc and one or more ferrites of the group comprising nickel, copper or cobalt
    • C—CHEMISTRY; METALLURGY
    • C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B35/00—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
    • C04B35/01—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on oxide ceramics
    • C04B35/26—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on oxide ceramics based on ferrites
    • C04B35/2691—Other ferrites containing alkaline metals

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Ceramic Engineering (AREA)
  • Materials Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • Structural Engineering (AREA)
  • Organic Chemistry (AREA)
  • Mechanical Engineering (AREA)
  • Filters For Electric Vacuum Cleaners (AREA)
  • Electric Vacuum Cleaner (AREA)
CH266618D 1946-08-21 1947-08-21 Dust vacuum cleaner. CH266618A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US691982A US2555231A (en) 1946-08-21 1946-08-21 Suction cleaner

Publications (1)

Publication Number Publication Date
CH266618A true CH266618A (en) 1950-02-15

Family

ID=24778790

Family Applications (1)

Application Number Title Priority Date Filing Date
CH266618D CH266618A (en) 1946-08-21 1947-08-21 Dust vacuum cleaner.

Country Status (7)

Country Link
US (1) US2555231A (en)
BE (1) BE475574A (en)
CH (1) CH266618A (en)
DE (1) DE848553C (en)
FR (1) FR952205A (en)
GB (1) GB643083A (en)
NL (1) NL134307C (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2722996A (en) * 1953-06-05 1955-11-08 Hoover Co Suction cleaner

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB410524A (en) * 1932-11-24 1934-05-24 Lionel Frank Mccardle Improvements in vacuum cleaning apparatus
US2192357A (en) * 1938-08-05 1940-03-05 Quadrex Corp Vacuum cleaner
DE700388C (en) * 1938-11-18 1941-03-06 Siemens Schuckertwerke Akt Ges Filter cleaning device for vacuum cleaner
US2211934A (en) * 1939-01-03 1940-08-20 Harley J Mcallister Vacuum cleaner
US2414564A (en) * 1945-04-17 1947-01-21 Silverman Leslie Portable welding fume exhauster
NL70126C (en) * 1945-06-23

Also Published As

Publication number Publication date
US2555231A (en) 1951-05-29
FR952205A (en) 1949-11-14
GB643083A (en) 1950-09-15
NL134307C (en)
DE848553C (en) 1952-09-04
BE475574A (en)

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