KR920016874U - Manhole air supply - Google Patents

Manhole air supply

Info

Publication number
KR920016874U
KR920016874U KR2019910001754U KR910001754U KR920016874U KR 920016874 U KR920016874 U KR 920016874U KR 2019910001754 U KR2019910001754 U KR 2019910001754U KR 910001754 U KR910001754 U KR 910001754U KR 920016874 U KR920016874 U KR 920016874U
Authority
KR
South Korea
Prior art keywords
air supply
manhole
manhole air
supply
air
Prior art date
Application number
KR2019910001754U
Other languages
Korean (ko)
Other versions
KR930002822Y1 (en
Inventor
함장환
Original Assignee
함장환
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 함장환 filed Critical 함장환
Priority to KR2019910001754U priority Critical patent/KR930002822Y1/en
Publication of KR920016874U publication Critical patent/KR920016874U/en
Application granted granted Critical
Publication of KR930002822Y1 publication Critical patent/KR930002822Y1/en

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04D—NON-POSITIVE-DISPLACEMENT PUMPS
    • F04D1/00—Radial-flow pumps, e.g. centrifugal pumps; Helico-centrifugal pumps
    • E—FIXED CONSTRUCTIONS
    • E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
    • E02D29/00—Independent underground or underwater structures; Retaining walls
    • E02D29/12—Manhole shafts; Other inspection or access chambers; Accessories therefor

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Environmental & Geological Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Mining & Mineral Resources (AREA)
  • Paleontology (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Structures Of Non-Positive Displacement Pumps (AREA)
KR2019910001754U 1991-02-05 1991-02-05 Air pump KR930002822Y1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
KR2019910001754U KR930002822Y1 (en) 1991-02-05 1991-02-05 Air pump

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR2019910001754U KR930002822Y1 (en) 1991-02-05 1991-02-05 Air pump

Publications (2)

Publication Number Publication Date
KR920016874U true KR920016874U (en) 1992-09-17
KR930002822Y1 KR930002822Y1 (en) 1993-05-22

Family

ID=19310614

Family Applications (1)

Application Number Title Priority Date Filing Date
KR2019910001754U KR930002822Y1 (en) 1991-02-05 1991-02-05 Air pump

Country Status (1)

Country Link
KR (1) KR930002822Y1 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2001091261A1 (en) * 2000-05-26 2001-11-29 Hanyu I & C Co., Ltd. Multipurpose cable drawer

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2001091261A1 (en) * 2000-05-26 2001-11-29 Hanyu I & C Co., Ltd. Multipurpose cable drawer

Also Published As

Publication number Publication date
KR930002822Y1 (en) 1993-05-22

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Legal Events

Date Code Title Description
A201 Request for examination
E902 Notification of reason for refusal
E701 Decision to grant or registration of patent right
REGI Registration of establishment
FPAY Annual fee payment

Payment date: 20050509

Year of fee payment: 13

EXPY Expiration of term