KR900000198Y1 - 강관의 연결장치 - Google Patents

강관의 연결장치 Download PDF

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Publication number
KR900000198Y1
KR900000198Y1 KR2019870000706U KR870000706U KR900000198Y1 KR 900000198 Y1 KR900000198 Y1 KR 900000198Y1 KR 2019870000706 U KR2019870000706 U KR 2019870000706U KR 870000706 U KR870000706 U KR 870000706U KR 900000198 Y1 KR900000198 Y1 KR 900000198Y1
Authority
KR
South Korea
Prior art keywords
steel pipe
sealing member
pressing
pipes
connection
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
Application number
KR2019870000706U
Other languages
English (en)
Korean (ko)
Other versions
KR880015172U (ko
Inventor
마종남
Original Assignee
마종남
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 마종남 filed Critical 마종남
Priority to KR2019870000706U priority Critical patent/KR900000198Y1/ko
Priority to JP1987055475U priority patent/JPS63115984U/ja
Publication of KR880015172U publication Critical patent/KR880015172U/ko
Application granted granted Critical
Publication of KR900000198Y1 publication Critical patent/KR900000198Y1/ko
Expired legal-status Critical Current

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
    • F16L21/00—Joints with sleeve or socket
    • F16L21/08—Joints with sleeve or socket with additional locking means

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Joints With Sleeves (AREA)
  • Joints Allowing Movement (AREA)
KR2019870000706U 1987-01-24 1987-01-24 강관의 연결장치 Expired KR900000198Y1 (ko)

Priority Applications (2)

Application Number Priority Date Filing Date Title
KR2019870000706U KR900000198Y1 (ko) 1987-01-24 1987-01-24 강관의 연결장치
JP1987055475U JPS63115984U (enrdf_load_stackoverflow) 1987-01-24 1987-04-14

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR2019870000706U KR900000198Y1 (ko) 1987-01-24 1987-01-24 강관의 연결장치

Publications (2)

Publication Number Publication Date
KR880015172U KR880015172U (ko) 1988-09-15
KR900000198Y1 true KR900000198Y1 (ko) 1990-01-30

Family

ID=19259185

Family Applications (1)

Application Number Title Priority Date Filing Date
KR2019870000706U Expired KR900000198Y1 (ko) 1987-01-24 1987-01-24 강관의 연결장치

Country Status (2)

Country Link
JP (1) JPS63115984U (enrdf_load_stackoverflow)
KR (1) KR900000198Y1 (enrdf_load_stackoverflow)

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5666588A (en) * 1979-11-05 1981-06-05 Hitachi Metals Ltd Pipe joint
JPS5940627A (ja) * 1982-08-31 1984-03-06 Canon Inc 自動焦点カメラ

Also Published As

Publication number Publication date
KR880015172U (ko) 1988-09-15
JPS63115984U (enrdf_load_stackoverflow) 1988-07-26

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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: 19870124

UA0201 Request for examination

Patent event date: 19870124

Patent event code: UA02012R01D

Comment text: Request for Examination of Application

UG1501 Laying open of application
E902 Notification of reason for refusal
UE0902 Notice of grounds for rejection

Comment text: Notification of reason for refusal

Patent event code: UE09021S01D

Patent event date: 19890926

UG1604 Publication of application

Patent event code: UG16041S01I

Comment text: Decision on Publication of Application

Patent event date: 19891129

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

Patent event date: 19900412

Comment text: Decision to Grant Registration

Patent event code: UE07011S01D

REGI Registration of establishment
UR0701 Registration of establishment

Patent event date: 19900511

Patent event code: UR07011E01D

Comment text: Registration of Establishment

UR1002 Payment of registration fee

Start annual number: 1

End annual number: 3

Payment date: 19900511

UR1001 Payment of annual fee

Payment date: 19920702

Start annual number: 4

End annual number: 10

J204 Request for invalidation trial [patent]
UJ0204 Invalidation trial for utility model registration

Comment text: Request for Trial

Patent event code: UJ02042R01D

Patent event date: 19960719

Comment text: Registration of Establishment

Patent event code: UJ02041E01I

Patent event date: 19900511

Request date: 19960719

Appeal kind category: Invalidation in entirety

Decision date: 19970829

Appeal identifier: 1996100000893

EXTG Ip right invalidated
UC2102 Extinguishment