GB0209573D0 - Valves - Google Patents

Valves

Info

Publication number
GB0209573D0
GB0209573D0 GB0209573A GB0209573A GB0209573D0 GB 0209573 D0 GB0209573 D0 GB 0209573D0 GB 0209573 A GB0209573 A GB 0209573A GB 0209573 A GB0209573 A GB 0209573A GB 0209573 D0 GB0209573 D0 GB 0209573D0
Authority
GB
United Kingdom
Prior art keywords
valves
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.)
Withdrawn
Application number
GB0209573A
Other versions
GB2387890A (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.)
Medivance Instruments Ltd
Original Assignee
Medivance Instruments 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 Medivance Instruments Ltd filed Critical Medivance Instruments Ltd
Priority to GB0209573A priority Critical patent/GB2387890A/en
Publication of GB0209573D0 publication Critical patent/GB0209573D0/en
Publication of GB2387890A publication Critical patent/GB2387890A/en
Withdrawn legal-status Critical Current

Links

Classifications

    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61C—DENTISTRY; APPARATUS OR METHODS FOR ORAL OR DENTAL HYGIENE
    • A61C1/00—Dental machines for boring or cutting ; General features of dental machines or apparatus, e.g. hand-piece design
    • A61C1/0061—Air and water supply systems; Valves specially adapted therefor
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61C—DENTISTRY; APPARATUS OR METHODS FOR ORAL OR DENTAL HYGIENE
    • A61C3/00—Dental tools or instruments
    • A61C3/02—Tooth drilling or cutting instruments; Instruments acting like a sandblast machine
    • A61C3/025—Instruments acting like a sandblast machine, e.g. for cleaning, polishing or cutting teeth
    • 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
    • F16K15/147—Check valves with flexible valve members the closure elements being fixed along all or a part of their periphery the closure elements having specially formed slits or being of an elongated easily collapsible form

Landscapes

  • Health & Medical Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Animal Behavior & Ethology (AREA)
  • Oral & Maxillofacial Surgery (AREA)
  • Dentistry (AREA)
  • Epidemiology (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Engineering & Computer Science (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Water Supply & Treatment (AREA)
  • Mechanical Engineering (AREA)
  • Safety Valves (AREA)
GB0209573A 2002-04-25 2002-04-25 Slit-type check valve Withdrawn GB2387890A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB0209573A GB2387890A (en) 2002-04-25 2002-04-25 Slit-type check valve

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB0209573A GB2387890A (en) 2002-04-25 2002-04-25 Slit-type check valve

Publications (2)

Publication Number Publication Date
GB0209573D0 true GB0209573D0 (en) 2002-06-05
GB2387890A GB2387890A (en) 2003-10-29

Family

ID=9935567

Family Applications (1)

Application Number Title Priority Date Filing Date
GB0209573A Withdrawn GB2387890A (en) 2002-04-25 2002-04-25 Slit-type check valve

Country Status (1)

Country Link
GB (1) GB2387890A (en)

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE825924C (en) * 1948-10-02 1951-12-27 Wilhelm Peter Borgmann Valve for air and liquid
US2969066A (en) * 1956-10-02 1961-01-24 Holter Company Device for draining ventricular fluid in cases of hydrocephalus
DE2335273A1 (en) * 1973-07-11 1975-02-06 Siemens Ag Non-return valve for gases - is used for telecommunications cable installations
DE3732323A1 (en) * 1987-09-25 1989-04-13 Rudolf Eiglmeier Safety valve for the protection of air pumps against the backflow of water, other liquids and air backpressure
GB2332568A (en) * 1997-12-22 1999-06-23 Northern Telecom Ltd Drain valve for telecommunications enclosure

Also Published As

Publication number Publication date
GB2387890A (en) 2003-10-29

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Legal Events

Date Code Title Description
WAP Application withdrawn, taken to be withdrawn or refused ** after publication under section 16(1)