KR920015292U - 배수 관내의 진공 방지용 환기 밸브 - Google Patents

배수 관내의 진공 방지용 환기 밸브

Info

Publication number
KR920015292U
KR920015292U KR2019910000409U KR910000409U KR920015292U KR 920015292 U KR920015292 U KR 920015292U KR 2019910000409 U KR2019910000409 U KR 2019910000409U KR 910000409 U KR910000409 U KR 910000409U KR 920015292 U KR920015292 U KR 920015292U
Authority
KR
South Korea
Prior art keywords
drain pipe
ventilation valve
prevent vacuum
vacuum
prevent
Prior art date
Application number
KR2019910000409U
Other languages
English (en)
Other versions
KR930004994Y1 (ko
Inventor
이종호
Original Assignee
이종호
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 이종호 filed Critical 이종호
Priority to KR2019910000409U priority Critical patent/KR930004994Y1/ko
Publication of KR920015292U publication Critical patent/KR920015292U/ko
Application granted granted Critical
Publication of KR930004994Y1 publication Critical patent/KR930004994Y1/ko

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
    • F16K24/04—Devices, e.g. valves, for venting or aerating enclosures for venting only
    • 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
    • F16K15/02—Check valves with guided rigid valve members
    • F16K15/021—Check valves with guided rigid valve members the valve member being a movable body around which the medium flows when the valve is open
    • F16K15/023—Check valves with guided rigid valve members the valve member being a movable body around which the medium flows when the valve is open the valve member consisting only of a predominantly disc-shaped flat element
    • 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
    • F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
    • F16L29/00—Joints with fluid cut-off means
    • F16L29/005—Joints with fluid cut-off means joints with cut-off devices which can be perforated
    • 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
    • F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
    • F16L55/00—Devices or appurtenances for use in, or in connection with, pipes or pipe systems
    • F16L55/07—Arrangement or mounting of devices, e.g. valves, for venting or aerating or draining

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Self-Closing Valves And Venting Or Aerating Valves (AREA)
KR2019910000409U 1991-01-14 1991-01-14 배수 관내의 진공 방지용 환기 밸브 KR930004994Y1 (ko)

Priority Applications (1)

Application Number Priority Date Filing Date Title
KR2019910000409U KR930004994Y1 (ko) 1991-01-14 1991-01-14 배수 관내의 진공 방지용 환기 밸브

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR2019910000409U KR930004994Y1 (ko) 1991-01-14 1991-01-14 배수 관내의 진공 방지용 환기 밸브

Publications (2)

Publication Number Publication Date
KR920015292U true KR920015292U (ko) 1992-08-17
KR930004994Y1 KR930004994Y1 (ko) 1993-07-26

Family

ID=19309709

Family Applications (1)

Application Number Title Priority Date Filing Date
KR2019910000409U KR930004994Y1 (ko) 1991-01-14 1991-01-14 배수 관내의 진공 방지용 환기 밸브

Country Status (1)

Country Link
KR (1) KR930004994Y1 (ko)

Also Published As

Publication number Publication date
KR930004994Y1 (ko) 1993-07-26

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Legal Events

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E902 Notification of reason for refusal
E701 Decision to grant or registration of patent right
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Payment date: 19970905

Year of fee payment: 5

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