GB643083A - Improvements relating to suction cleaners - Google Patents

Improvements relating to suction cleaners

Info

Publication number
GB643083A
GB643083A GB22098/47A GB2209847A GB643083A GB 643083 A GB643083 A GB 643083A GB 22098/47 A GB22098/47 A GB 22098/47A GB 2209847 A GB2209847 A GB 2209847A GB 643083 A GB643083 A GB 643083A
Authority
GB
United Kingdom
Prior art keywords
lever
casing
filter
suction
emptied
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
GB22098/47A
Other languages
English (en)
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.)
Hoover Ltd
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 GB643083A publication Critical patent/GB643083A/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
    • A47L9/20—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)
GB22098/47A 1946-08-21 1947-08-08 Improvements relating to suction cleaners Expired GB643083A (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
GB643083A true GB643083A (en) 1950-09-15

Family

ID=24778790

Family Applications (1)

Application Number Title Priority Date Filing Date
GB22098/47A Expired GB643083A (en) 1946-08-21 1947-08-08 Improvements relating to suction cleaners

Country Status (7)

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

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 (de) * 1938-11-18 1941-03-06 Siemens Schuckertwerke Akt Ges Filterreinigungsvorrichtung fuer Staubsauger
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 (enrdf_load_stackoverflow) * 1945-06-23

Also Published As

Publication number Publication date
FR952205A (fr) 1949-11-14
BE475574A (enrdf_load_stackoverflow)
DE848553C (de) 1952-09-04
NL134307C (enrdf_load_stackoverflow)
US2555231A (en) 1951-05-29
CH266618A (fr) 1950-02-15

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