KR920018335U - 지수전 보호통 - Google Patents

지수전 보호통

Info

Publication number
KR920018335U
KR920018335U KR2019910003923U KR910003923U KR920018335U KR 920018335 U KR920018335 U KR 920018335U KR 2019910003923 U KR2019910003923 U KR 2019910003923U KR 910003923 U KR910003923 U KR 910003923U KR 920018335 U KR920018335 U KR 920018335U
Authority
KR
South Korea
Prior art keywords
protection against
against water
water
protection
Prior art date
Application number
KR2019910003923U
Other languages
English (en)
Other versions
KR930003225Y1 (ko
Inventor
유상원
유장일
Original Assignee
유상원
유장일
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 유상원, 유장일 filed Critical 유상원
Priority to KR2019910003923U priority Critical patent/KR930003225Y1/ko
Publication of KR920018335U publication Critical patent/KR920018335U/ko
Application granted granted Critical
Publication of KR930003225Y1 publication Critical patent/KR930003225Y1/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
    • F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
    • F16L41/00—Branching pipes; Joining pipes to walls
    • 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
    • F16L57/00—Protection of pipes or objects of similar shape against external or internal damage or wear

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Protection Of Pipes Against Damage, Friction, And Corrosion (AREA)
KR2019910003923U 1991-03-23 1991-03-23 지수전 보호통 KR930003225Y1 (ko)

Priority Applications (1)

Application Number Priority Date Filing Date Title
KR2019910003923U KR930003225Y1 (ko) 1991-03-23 1991-03-23 지수전 보호통

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR2019910003923U KR930003225Y1 (ko) 1991-03-23 1991-03-23 지수전 보호통

Publications (2)

Publication Number Publication Date
KR920018335U true KR920018335U (ko) 1992-10-19
KR930003225Y1 KR930003225Y1 (ko) 1993-06-03

Family

ID=19312007

Family Applications (1)

Application Number Title Priority Date Filing Date
KR2019910003923U KR930003225Y1 (ko) 1991-03-23 1991-03-23 지수전 보호통

Country Status (1)

Country Link
KR (1) KR930003225Y1 (ko)

Also Published As

Publication number Publication date
KR930003225Y1 (ko) 1993-06-03

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Legal Events

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

Payment date: 19940914

Year of fee payment: 10

LAPS Lapse due to unpaid annual fee