KR880021534U - Choke grinder - Google Patents

Choke grinder

Info

Publication number
KR880021534U
KR880021534U KR2019870007152U KR870007152U KR880021534U KR 880021534 U KR880021534 U KR 880021534U KR 2019870007152 U KR2019870007152 U KR 2019870007152U KR 870007152 U KR870007152 U KR 870007152U KR 880021534 U KR880021534 U KR 880021534U
Authority
KR
South Korea
Prior art keywords
choke
grinder
choke grinder
Prior art date
Application number
KR2019870007152U
Other languages
Korean (ko)
Other versions
KR900001242Y1 (en
Inventor
최흥백
Original Assignee
최흥백
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 최흥백 filed Critical 최흥백
Priority to KR2019870007152U priority Critical patent/KR900001242Y1/en
Publication of KR880021534U publication Critical patent/KR880021534U/en
Application granted granted Critical
Publication of KR900001242Y1 publication Critical patent/KR900001242Y1/en

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B24—GRINDING; POLISHING
    • B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
    • B24B7/00—Machines or devices designed for grinding plane surfaces on work, including polishing plane glass surfaces; Accessories therefor
    • B24B7/10—Single-purpose machines or devices
    • B24B7/16—Single-purpose machines or devices for grinding end-faces, e.g. of gauges, rollers, nuts, piston rings
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B24—GRINDING; POLISHING
    • B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
    • B24B55/00—Safety devices for grinding or polishing machines; Accessories fitted to grinding or polishing machines for keeping tools or parts of the machine in good working condition
    • B24B55/06—Dust extraction equipment on grinding or polishing machines

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Grinding-Machine Dressing And Accessory Apparatuses (AREA)
  • Filtering Of Dispersed Particles In Gases (AREA)
KR2019870007152U 1987-05-11 1987-05-11 Chalk grinder KR900001242Y1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
KR2019870007152U KR900001242Y1 (en) 1987-05-11 1987-05-11 Chalk grinder

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR2019870007152U KR900001242Y1 (en) 1987-05-11 1987-05-11 Chalk grinder

Publications (2)

Publication Number Publication Date
KR880021534U true KR880021534U (en) 1988-12-24
KR900001242Y1 KR900001242Y1 (en) 1990-02-20

Family

ID=19262740

Family Applications (1)

Application Number Title Priority Date Filing Date
KR2019870007152U KR900001242Y1 (en) 1987-05-11 1987-05-11 Chalk grinder

Country Status (1)

Country Link
KR (1) KR900001242Y1 (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111546177B (en) * 2020-06-15 2021-07-06 河南职业技术学院 Chalk end grinding device

Also Published As

Publication number Publication date
KR900001242Y1 (en) 1990-02-20

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Legal Events

Date Code Title Description
A201 Request for examination
E701 Decision to grant or registration of patent right
REGI Registration of establishment
LAPS Lapse due to unpaid annual fee