KR880019982U - Industrial Duct - Google Patents

Industrial Duct

Info

Publication number
KR880019982U
KR880019982U KR2019870004752U KR870004752U KR880019982U KR 880019982 U KR880019982 U KR 880019982U KR 2019870004752 U KR2019870004752 U KR 2019870004752U KR 870004752 U KR870004752 U KR 870004752U KR 880019982 U KR880019982 U KR 880019982U
Authority
KR
South Korea
Prior art keywords
duct
industrial
industrial duct
Prior art date
Application number
KR2019870004752U
Other languages
Korean (ko)
Other versions
KR890008277Y1 (en
Inventor
강현성
Original Assignee
강현성
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 강현성 filed Critical 강현성
Priority to KR2019870004752U priority Critical patent/KR890008277Y1/en
Publication of KR880019982U publication Critical patent/KR880019982U/en
Application granted granted Critical
Publication of KR890008277Y1 publication Critical patent/KR890008277Y1/en

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
    • F16L11/00—Hoses, i.e. flexible pipes
    • F16L11/04—Hoses, i.e. flexible pipes made of rubber or flexible plastics
    • F16L11/11—Hoses, i.e. flexible pipes made of rubber or flexible plastics with corrugated wall
    • 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
    • F16L11/00—Hoses, i.e. flexible pipes
    • F16L11/14—Hoses, i.e. flexible pipes made of rigid material, e.g. metal or hard plastics
    • F16L11/15—Hoses, i.e. flexible pipes made of rigid material, e.g. metal or hard plastics corrugated
    • 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
    • F16L25/00—Constructive types of pipe joints not provided for in groups F16L13/00 - F16L23/00 ; Details of pipe joints not otherwise provided for, e.g. electrically conducting or insulating means
    • F16L25/0036—Joints for corrugated pipes

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Duct Arrangements (AREA)
KR2019870004752U 1987-04-07 1987-04-07 Industrial duct KR890008277Y1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
KR2019870004752U KR890008277Y1 (en) 1987-04-07 1987-04-07 Industrial duct

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR2019870004752U KR890008277Y1 (en) 1987-04-07 1987-04-07 Industrial duct

Publications (2)

Publication Number Publication Date
KR880019982U true KR880019982U (en) 1988-11-29
KR890008277Y1 KR890008277Y1 (en) 1989-11-25

Family

ID=19261417

Family Applications (1)

Application Number Title Priority Date Filing Date
KR2019870004752U KR890008277Y1 (en) 1987-04-07 1987-04-07 Industrial duct

Country Status (1)

Country Link
KR (1) KR890008277Y1 (en)

Also Published As

Publication number Publication date
KR890008277Y1 (en) 1989-11-25

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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
J204 Request for invalidation trial [patent]
J206 Request for trial to confirm the scope of a patent right
FPAY Annual fee payment

Payment date: 19921125

Year of fee payment: 4

LAPS Lapse due to unpaid annual fee