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KR910011681U - Screw dredging device of dredger - Google Patents

Screw dredging device of dredger

Info

Publication number
KR910011681U
KR910011681U KR2019890018342U KR890018342U KR910011681U KR 910011681 U KR910011681 U KR 910011681U KR 2019890018342 U KR2019890018342 U KR 2019890018342U KR 890018342 U KR890018342 U KR 890018342U KR 910011681 U KR910011681 U KR 910011681U
Authority
KR
South Korea
Prior art keywords
dredger
screw
dredging device
dredging
screw dredging
Prior art date
Application number
KR2019890018342U
Other languages
Korean (ko)
Other versions
KR920001686Y1 (en
Inventor
이근호
Original Assignee
이근호
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 이근호 filed Critical 이근호
Priority to KR2019890018342U priority Critical patent/KR920001686Y1/en
Publication of KR910011681U publication Critical patent/KR910011681U/en
Application granted granted Critical
Publication of KR920001686Y1 publication Critical patent/KR920001686Y1/en

Links

Classifications

    • E—FIXED CONSTRUCTIONS
    • E03—WATER SUPPLY; SEWERAGE
    • E03F—SEWERS; CESSPOOLS
    • E03F9/00—Arrangements or fixed installations methods or devices for cleaning or clearing sewer pipes, e.g. by flushing
    • E—FIXED CONSTRUCTIONS
    • E03—WATER SUPPLY; SEWERAGE
    • E03F—SEWERS; CESSPOOLS
    • E03F7/00—Other installations or implements for operating sewer systems, e.g. for preventing or indicating stoppage; Emptying cesspools
    • E03F7/08—Hand implements for emptying sewers or cesspools
    • E—FIXED CONSTRUCTIONS
    • E03—WATER SUPPLY; SEWERAGE
    • E03F—SEWERS; CESSPOOLS
    • E03F7/00—Other installations or implements for operating sewer systems, e.g. for preventing or indicating stoppage; Emptying cesspools
    • E03F7/10—Wheeled apparatus for emptying sewers or cesspools

Landscapes

  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Hydrology & Water Resources (AREA)
  • Public Health (AREA)
  • Water Supply & Treatment (AREA)
  • Structures Of Non-Positive Displacement Pumps (AREA)
KR2019890018342U 1989-12-05 1989-12-05 Screw dredging device of dredger KR920001686Y1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
KR2019890018342U KR920001686Y1 (en) 1989-12-05 1989-12-05 Screw dredging device of dredger

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR2019890018342U KR920001686Y1 (en) 1989-12-05 1989-12-05 Screw dredging device of dredger

Publications (2)

Publication Number Publication Date
KR910011681U true KR910011681U (en) 1991-07-29
KR920001686Y1 KR920001686Y1 (en) 1992-03-09

Family

ID=19292772

Family Applications (1)

Application Number Title Priority Date Filing Date
KR2019890018342U KR920001686Y1 (en) 1989-12-05 1989-12-05 Screw dredging device of dredger

Country Status (1)

Country Link
KR (1) KR920001686Y1 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20030018512A (en) * 2001-08-30 2003-03-06 봉화토건 합자회사 Dredging apparatus for connection pipe of sewage and rain receptacle and method for the same

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1198389C (en) * 2001-05-11 2005-04-20 三洋电机株式会社 Sine value genration circuit, phase-shift circuit, hue regulation circuit
KR100928558B1 (en) * 2008-12-09 2009-11-24 동 석 강 Sand Dewatering Device

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20030018512A (en) * 2001-08-30 2003-03-06 봉화토건 합자회사 Dredging apparatus for connection pipe of sewage and rain receptacle and method for the same

Also Published As

Publication number Publication date
KR920001686Y1 (en) 1992-03-09

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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: 19891205

UA0201 Request for examination

Patent event date: 19891205

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: 19920208

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

Patent event date: 19920529

Comment text: Decision to Grant Registration

Patent event code: UE07011S01D

REGI Registration of establishment
UR0701 Registration of establishment

Patent event date: 19920825

Patent event code: UR07011E01D

Comment text: Registration of Establishment

UR1002 Payment of registration fee

Start annual number: 1

End annual number: 3

Payment date: 19920825

LAPS Lapse due to unpaid annual fee
UC1903 Unpaid annual fee

Termination date: 19961125

Termination category: Default of registration fee