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KR890009177U - Aeration duct - Google Patents

Aeration duct

Info

Publication number
KR890009177U
KR890009177U KR2019870017575U KR870017575U KR890009177U KR 890009177 U KR890009177 U KR 890009177U KR 2019870017575 U KR2019870017575 U KR 2019870017575U KR 870017575 U KR870017575 U KR 870017575U KR 890009177 U KR890009177 U KR 890009177U
Authority
KR
South Korea
Prior art keywords
aeration duct
aeration
duct
Prior art date
Legal status (The legal status 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 status listed.)
Granted
Application number
KR2019870017575U
Other languages
Korean (ko)
Other versions
KR900002697Y1 (en
Inventor
이성우
Original Assignee
이성우
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 이성우 filed Critical 이성우
Priority to KR2019870017575U priority Critical patent/KR900002697Y1/en
Publication of KR890009177U publication Critical patent/KR890009177U/en
Application granted granted Critical
Publication of KR900002697Y1 publication Critical patent/KR900002697Y1/en
Expired legal-status Critical Current

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F13/00—Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
    • F24F13/02—Ducting arrangements
    • F24F13/0218—Flexible soft ducts, e.g. ducts made of permeable textiles
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F13/00—Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
    • F24F13/02—Ducting arrangements
    • F24F13/0245—Manufacturing or assembly of air ducts; Methods therefor
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F2221/00—Details or features not otherwise provided for
    • F24F2221/30—Details or features not otherwise provided for comprising fireproof material

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Textile Engineering (AREA)
  • Duct Arrangements (AREA)
  • Thermal Insulation (AREA)
  • Rigid Pipes And Flexible Pipes (AREA)
KR2019870017575U 1987-10-15 1987-10-15 Ventilation duct Expired KR900002697Y1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
KR2019870017575U KR900002697Y1 (en) 1987-10-15 1987-10-15 Ventilation duct

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR2019870017575U KR900002697Y1 (en) 1987-10-15 1987-10-15 Ventilation duct

Publications (2)

Publication Number Publication Date
KR890009177U true KR890009177U (en) 1989-05-30
KR900002697Y1 KR900002697Y1 (en) 1990-03-31

Family

ID=19268646

Family Applications (1)

Application Number Title Priority Date Filing Date
KR2019870017575U Expired KR900002697Y1 (en) 1987-10-15 1987-10-15 Ventilation duct

Country Status (1)

Country Link
KR (1) KR900002697Y1 (en)

Also Published As

Publication number Publication date
KR900002697Y1 (en) 1990-03-31

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Legal Events

Date Code Title Description
A201 Request for examination
UA0108 Application for utility model registration

Comment text: Application for Utility Model Registration

Patent event code: UA01011R08D

Patent event date: 19871015

UA0201 Request for examination

Patent event date: 19871015

Patent event code: UA02012R01D

Comment text: Request for Examination of Application

UG1501 Laying open of application
UG1604 Publication of application

Patent event code: UG16041S01I

Comment text: Decision on Publication of Application

Patent event date: 19900227

E701 Decision to grant or registration of patent right
UE0701 Decision of registration

Patent event date: 19900625

Comment text: Decision to Grant Registration

Patent event code: UE07011S01D

REGI Registration of establishment
UR0701 Registration of establishment

Patent event date: 19900804

Patent event code: UR07011E01D

Comment text: Registration of Establishment

UR1002 Payment of registration fee

Start annual number: 1

End annual number: 3

Payment date: 19900804

UR1001 Payment of annual fee

Payment date: 19930326

Start annual number: 4

End annual number: 6

UR1001 Payment of annual fee

Payment date: 19940801

Start annual number: 7

End annual number: 8

UR1001 Payment of annual fee

Payment date: 19980331

Start annual number: 9

End annual number: 12

FPAY Annual fee payment

Payment date: 20020329

Year of fee payment: 13

UR1001 Payment of annual fee

Payment date: 20020329

Start annual number: 13

End annual number: 13

EXPY Expiration of term
UC1801 Expiration of term