GB2109092B - Check valve - Google Patents

Check valve

Info

Publication number
GB2109092B
GB2109092B GB08230810A GB8230810A GB2109092B GB 2109092 B GB2109092 B GB 2109092B GB 08230810 A GB08230810 A GB 08230810A GB 8230810 A GB8230810 A GB 8230810A GB 2109092 B GB2109092 B GB 2109092B
Authority
GB
United Kingdom
Prior art keywords
check valve
check
valve
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
GB08230810A
Other versions
GB2109092A (en
Inventor
Wieland Guhne
Heinz-Jurgen Ahlf
Klaus Hoffmann
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.)
Vorwerk and Co Interholding GmbH
Original Assignee
Vorwerk and Co Interholding GmbH
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 Vorwerk and Co Interholding GmbH filed Critical Vorwerk and Co Interholding GmbH
Publication of GB2109092A publication Critical patent/GB2109092A/en
Application granted granted Critical
Publication of GB2109092B publication Critical patent/GB2109092B/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
    • A47L9/14—Bags or the like; Rigid filtering receptacles; Attachment of, or closures for, bags or receptacles
    • A47L9/1427—Means for mounting or attaching bags or filtering receptacles in suction cleaners; Adapters
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
    • F16K15/00—Check valves
    • F16K15/14—Check valves with flexible valve members
    • F16K15/144—Check valves with flexible valve members the closure elements being fixed along all or a part of their periphery

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Filters For Electric Vacuum Cleaners (AREA)
  • Check Valves (AREA)
  • Basic Packing Technique (AREA)
GB08230810A 1981-11-10 1982-10-28 Check valve Expired GB2109092B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19818132813U DE8132813U1 (en) 1981-11-10 1981-11-10 CHECK VALVE FOR FILTER CONNECTOR

Publications (2)

Publication Number Publication Date
GB2109092A GB2109092A (en) 1983-05-25
GB2109092B true GB2109092B (en) 1985-04-24

Family

ID=6732880

Family Applications (1)

Application Number Title Priority Date Filing Date
GB08230810A Expired GB2109092B (en) 1981-11-10 1982-10-28 Check valve

Country Status (6)

Country Link
CH (1) CH656790A5 (en)
DE (1) DE8132813U1 (en)
ES (1) ES276263Y (en)
FR (1) FR2515952B1 (en)
GB (1) GB2109092B (en)
IT (2) IT1189412B (en)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2567744B1 (en) * 1984-07-18 1987-06-26 Black & Decker Inc NON-RETURN VALVE FOR A VACUUM NOZZLE, IN PARTICULAR A MINIATURE HAND VACUUM, AND VACUUM COMPRISING SUCH A VALVE
DE3674193D1 (en) * 1986-03-21 1990-10-18 Shoketsu Kinzoku Kogyo Kk LUBRICATING DEVICE.
US4807721A (en) * 1986-03-21 1989-02-28 Shoketsu Kinzoku Kabushiki Kaisha Air line lubricator
SE455763B (en) * 1986-07-03 1988-08-08 Horda Gummifabrik Ab VALVE DEVICE SPECIFICALLY AS EXPOSURE / OR INHALING VALVE FOR PROTECTIVE MASKS
AU656156B2 (en) * 1990-12-17 1995-01-27 Bwanolar Pty Ltd An improved one way valve
DE9110827U1 (en) * 1991-08-31 1991-11-14 Vorwerk & Co Interholding Gmbh, 5600 Wuppertal Check valve
GB2314789A (en) * 1996-07-03 1998-01-14 Convac Limited Non-return valve for a dust bag
US6823905B1 (en) * 2003-08-18 2004-11-30 Illinois Tool Works Inc. Inflation valve assembly for a dunnage or cargo air bag
US8479356B2 (en) 2005-11-22 2013-07-09 Eurofilters Holding N.V. Vacuum cleaner filter bag comprising a sealing device
CN104033632A (en) * 2013-03-07 2014-09-10 北京华德创业环保设备有限公司 Flexible valve clack check valve
DE102020100577B4 (en) 2020-01-13 2021-09-23 Branofilter Gmbh Vacuum cleaner filter bag device

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1250704B (en) * 1967-09-21
US3292658A (en) * 1963-07-15 1966-12-20 Scaramucci Domer Check valve and resilient hinge structure and method for manufacturing same
GB1404181A (en) * 1972-01-12 1975-08-28 Lucas Industries Ltd Closure member for use in a non-return valve
US3814124A (en) * 1972-09-20 1974-06-04 Exxon Research Engineering Co Thermoplastic check valve
DE2734229A1 (en) * 1977-07-29 1979-02-01 Klein Schanzlin & Becker Ag Check valve metal disc flexible overcoat - is of wave-form and permits specific deformation and sufficient surface pressure under low pressure
DE2806272C2 (en) * 1978-02-15 1983-01-05 Miele & Cie GmbH & Co, 4830 Gütersloh Device for securing and securing dust bags for dust bags in vacuum cleaners

Also Published As

Publication number Publication date
IT8236123V0 (en) 1982-11-08
FR2515952B1 (en) 1986-08-14
IT1189412B (en) 1988-02-04
CH656790A5 (en) 1986-07-31
DE8132813U1 (en) 1982-07-29
IT8249437A0 (en) 1982-11-08
ES276263Y (en) 1985-01-01
ES276263U (en) 1984-05-16
FR2515952A1 (en) 1983-05-13
GB2109092A (en) 1983-05-25

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Legal Events

Date Code Title Description
PCNP Patent ceased through non-payment of renewal fee