KR950021661U - Opening and closing safety device - Google Patents

Opening and closing safety device

Info

Publication number
KR950021661U
KR950021661U KR2019930029827U KR930029827U KR950021661U KR 950021661 U KR950021661 U KR 950021661U KR 2019930029827 U KR2019930029827 U KR 2019930029827U KR 930029827 U KR930029827 U KR 930029827U KR 950021661 U KR950021661 U KR 950021661U
Authority
KR
South Korea
Prior art keywords
opening
safety device
closing safety
closing
safety
Prior art date
Application number
KR2019930029827U
Other languages
Korean (ko)
Other versions
KR960002700Y1 (en
Inventor
김종암
Original Assignee
김종암
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 김종암 filed Critical 김종암
Priority to KR2019930029827U priority Critical patent/KR960002700Y1/en
Publication of KR950021661U publication Critical patent/KR950021661U/en
Application granted granted Critical
Publication of KR960002700Y1 publication Critical patent/KR960002700Y1/en

Links

Classifications

    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02G—INSTALLATION OF ELECTRIC CABLES OR LINES, OR OF COMBINED OPTICAL AND ELECTRIC CABLES OR LINES
    • H02G9/00—Installations of electric cables or lines in or on the ground or water
    • H02G9/10—Installations of electric cables or lines in or on the ground or water in cable chambers, e.g. in manhole or in handhole
    • 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
    • F16L55/10—Means for stopping flow from or in pipes or hoses
    • F16L55/1011—Soluble closing devices
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02G—INSTALLATION OF ELECTRIC CABLES OR LINES, OR OF COMBINED OPTICAL AND ELECTRIC CABLES OR LINES
    • H02G9/00—Installations of electric cables or lines in or on the ground or water
    • H02G9/06—Installations of electric cables or lines in or on the ground or water in underground tubes or conduits; Tubes or conduits therefor
KR2019930029827U 1993-12-24 1993-12-24 Manhole cover KR960002700Y1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
KR2019930029827U KR960002700Y1 (en) 1993-12-24 1993-12-24 Manhole cover

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR2019930029827U KR960002700Y1 (en) 1993-12-24 1993-12-24 Manhole cover

Publications (2)

Publication Number Publication Date
KR950021661U true KR950021661U (en) 1995-07-28
KR960002700Y1 KR960002700Y1 (en) 1996-03-30

Family

ID=19372834

Family Applications (1)

Application Number Title Priority Date Filing Date
KR2019930029827U KR960002700Y1 (en) 1993-12-24 1993-12-24 Manhole cover

Country Status (1)

Country Link
KR (1) KR960002700Y1 (en)

Also Published As

Publication number Publication date
KR960002700Y1 (en) 1996-03-30

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Legal Events

Date Code Title Description
A201 Request for examination
E902 Notification of reason for refusal
E701 Decision to grant or registration of patent right
REGI Registration of establishment
FPAY Annual fee payment

Payment date: 20020307

Year of fee payment: 7

LAPS Lapse due to unpaid annual fee