KR960001684B1 - 공조 덕트의 점검 및 청소구 - Google Patents

공조 덕트의 점검 및 청소구 Download PDF

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Publication number
KR960001684B1
KR960001684B1 KR1019900008732A KR900008732A KR960001684B1 KR 960001684 B1 KR960001684 B1 KR 960001684B1 KR 1019900008732 A KR1019900008732 A KR 1019900008732A KR 900008732 A KR900008732 A KR 900008732A KR 960001684 B1 KR960001684 B1 KR 960001684B1
Authority
KR
South Korea
Prior art keywords
duct
opening
cover plate
plate
duct opening
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.)
Expired - Lifetime
Application number
KR1019900008732A
Other languages
English (en)
Korean (ko)
Other versions
KR910003326A (ko
Inventor
마사오 노구찌
Original Assignee
니홍 윈톤 가부시기가이샤
가도오 마사후미
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 니홍 윈톤 가부시기가이샤, 가도오 마사후미 filed Critical 니홍 윈톤 가부시기가이샤
Publication of KR910003326A publication Critical patent/KR910003326A/ko
Application granted granted Critical
Publication of KR960001684B1 publication Critical patent/KR960001684B1/ko
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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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

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Duct Arrangements (AREA)
KR1019900008732A 1989-07-26 1990-06-14 공조 덕트의 점검 및 청소구 Expired - Lifetime KR960001684B1 (ko)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP1989087872U JPH0752513Y2 (ja) 1989-07-26 1989-07-26 空調ダクトの点検及び清掃口
JP1-87872 1989-07-26

Publications (2)

Publication Number Publication Date
KR910003326A KR910003326A (ko) 1991-02-27
KR960001684B1 true KR960001684B1 (ko) 1996-02-03

Family

ID=13926960

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1019900008732A Expired - Lifetime KR960001684B1 (ko) 1989-07-26 1990-06-14 공조 덕트의 점검 및 청소구

Country Status (2)

Country Link
JP (1) JPH0752513Y2 (enrdf_load_stackoverflow)
KR (1) KR960001684B1 (enrdf_load_stackoverflow)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100665507B1 (ko) * 2005-12-30 2007-01-09 이후근 덕트에 설치되는 분진제거장치

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2081405A (en) * 1980-07-29 1982-02-17 Winton Lab Ltd Inspection or like ports for ducting

Also Published As

Publication number Publication date
KR910003326A (ko) 1991-02-27
JPH0327540U (enrdf_load_stackoverflow) 1991-03-19
JPH0752513Y2 (ja) 1995-11-29

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Legal Events

Date Code Title Description
A201 Request for examination
PA0109 Patent application

Patent event code: PA01091R01D

Comment text: Patent Application

Patent event date: 19900614

PA0201 Request for examination

Patent event code: PA02012R01D

Patent event date: 19900614

Comment text: Request for Examination of Application

PG1501 Laying open of application
E902 Notification of reason for refusal
PE0902 Notice of grounds for rejection

Comment text: Notification of reason for refusal

Patent event date: 19930630

Patent event code: PE09021S01D

E601 Decision to refuse application
PE0601 Decision on rejection of patent

Patent event date: 19930914

Comment text: Decision to Refuse Application

Patent event code: PE06012S01D

Patent event date: 19930630

Comment text: Notification of reason for refusal

Patent event code: PE06011S01I

J2X1 Appeal (before the patent court)

Free format text: APPEAL AGAINST DECISION TO DECLINE REFUSAL

PJ2001 Appeal

Appeal kind category: Appeal against decision to decline refusal

Decision date: 19951128

Appeal identifier: 1993201002284

Request date: 19931113

G160 Decision to publish patent application
PG1605 Publication of application before grant of patent

Comment text: Decision on Publication of Application

Patent event code: PG16051S01I

Patent event date: 19960110

E701 Decision to grant or registration of patent right
PE0701 Decision of registration

Patent event code: PE07011S01D

Comment text: Decision to Grant Registration

Patent event date: 19960430

NORF Unpaid initial registration fee
PC1904 Unpaid initial registration fee