CA2549804A1 - Dispositif casse-vide - Google Patents

Dispositif casse-vide Download PDF

Info

Publication number
CA2549804A1
CA2549804A1 CA 2549804 CA2549804A CA2549804A1 CA 2549804 A1 CA2549804 A1 CA 2549804A1 CA 2549804 CA2549804 CA 2549804 CA 2549804 A CA2549804 A CA 2549804A CA 2549804 A1 CA2549804 A1 CA 2549804A1
Authority
CA
Canada
Prior art keywords
breaking device
vacuum breaking
air
sealing
cup
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.)
Granted
Application number
CA 2549804
Other languages
English (en)
Other versions
CA2549804C (fr
Inventor
Thomas Qiu
Jerry Gao
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.)
Globe Union Industrial Corp
Original Assignee
Globe Union Industrial Corp
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 Globe Union Industrial Corp filed Critical Globe Union Industrial Corp
Priority to CA 2549804 priority Critical patent/CA2549804C/fr
Publication of CA2549804A1 publication Critical patent/CA2549804A1/fr
Application granted granted Critical
Publication of CA2549804C publication Critical patent/CA2549804C/fr
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • 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
    • F16K24/00—Devices, e.g. valves, for venting or aerating enclosures
    • F16K24/06—Devices, e.g. valves, for venting or aerating enclosures for aerating only
    • E—FIXED CONSTRUCTIONS
    • E03—WATER SUPPLY; SEWERAGE
    • E03C—DOMESTIC PLUMBING INSTALLATIONS FOR FRESH WATER OR WASTE WATER; SINKS
    • E03C1/00—Domestic plumbing installations for fresh water or waste water; Sinks
    • E03C1/02—Plumbing installations for fresh water
    • E03C1/10—Devices for preventing contamination of drinking-water pipes, e.g. means for aerating self-closing flushing valves
    • E03C1/102—Devices for preventing contamination of drinking-water pipes, e.g. means for aerating self-closing flushing valves using an air gap device
    • E—FIXED CONSTRUCTIONS
    • E03—WATER SUPPLY; SEWERAGE
    • E03C—DOMESTIC PLUMBING INSTALLATIONS FOR FRESH WATER OR WASTE WATER; SINKS
    • E03C1/00—Domestic plumbing installations for fresh water or waste water; Sinks
    • E03C1/02—Plumbing installations for fresh water
    • E03C1/10—Devices for preventing contamination of drinking-water pipes, e.g. means for aerating self-closing flushing valves
    • E03C1/108—Devices for preventing contamination of drinking-water pipes, e.g. means for aerating self-closing flushing valves having an aerating valve

Landscapes

  • Engineering & Computer Science (AREA)
  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Hydrology & Water Resources (AREA)
  • Public Health (AREA)
  • Water Supply & Treatment (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Jet Pumps And Other Pumps (AREA)
CA 2549804 2006-06-07 2006-06-07 Dispositif casse-vide Expired - Fee Related CA2549804C (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CA 2549804 CA2549804C (fr) 2006-06-07 2006-06-07 Dispositif casse-vide

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA 2549804 CA2549804C (fr) 2006-06-07 2006-06-07 Dispositif casse-vide

Publications (2)

Publication Number Publication Date
CA2549804A1 true CA2549804A1 (fr) 2007-12-07
CA2549804C CA2549804C (fr) 2009-12-15

Family

ID=38792302

Family Applications (1)

Application Number Title Priority Date Filing Date
CA 2549804 Expired - Fee Related CA2549804C (fr) 2006-06-07 2006-06-07 Dispositif casse-vide

Country Status (1)

Country Link
CA (1) CA2549804C (fr)

Also Published As

Publication number Publication date
CA2549804C (fr) 2009-12-15

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