KR890005114U - 연돌용 금속관 - Google Patents

연돌용 금속관

Info

Publication number
KR890005114U
KR890005114U KR2019870014302U KR870014302U KR890005114U KR 890005114 U KR890005114 U KR 890005114U KR 2019870014302 U KR2019870014302 U KR 2019870014302U KR 870014302 U KR870014302 U KR 870014302U KR 890005114 U KR890005114 U KR 890005114U
Authority
KR
South Korea
Prior art keywords
chimney
metal pipe
pipe
metal
Prior art date
Application number
KR2019870014302U
Other languages
English (en)
Other versions
KR900000194Y1 (ko
Inventor
이용희
Original Assignee
이용희
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 이용희 filed Critical 이용희
Priority to KR2019870014302U priority Critical patent/KR900000194Y1/ko
Publication of KR890005114U publication Critical patent/KR890005114U/ko
Application granted granted Critical
Publication of KR900000194Y1 publication Critical patent/KR900000194Y1/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
    • F16L9/00—Rigid pipes
    • F16L9/18—Double-walled pipes; Multi-channel pipes or pipe assemblies

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Thermal Insulation (AREA)
KR2019870014302U 1987-08-26 1987-08-26 연돌용 금속관 KR900000194Y1 (ko)

Priority Applications (1)

Application Number Priority Date Filing Date Title
KR2019870014302U KR900000194Y1 (ko) 1987-08-26 1987-08-26 연돌용 금속관

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR2019870014302U KR900000194Y1 (ko) 1987-08-26 1987-08-26 연돌용 금속관

Publications (2)

Publication Number Publication Date
KR890005114U true KR890005114U (ko) 1989-04-18
KR900000194Y1 KR900000194Y1 (ko) 1990-01-30

Family

ID=19266957

Family Applications (1)

Application Number Title Priority Date Filing Date
KR2019870014302U KR900000194Y1 (ko) 1987-08-26 1987-08-26 연돌용 금속관

Country Status (1)

Country Link
KR (1) KR900000194Y1 (ko)

Also Published As

Publication number Publication date
KR900000194Y1 (ko) 1990-01-30

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Legal Events

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A201 Request for examination
E701 Decision to grant or registration of patent right
REGI Registration of establishment
J204 Request for invalidation trial [patent]
J2X1 Appeal (before the patent court)

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FPAY Annual fee payment

Payment date: 19930621

Year of fee payment: 4

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