JPH0362758U - - Google Patents

Info

Publication number
JPH0362758U
JPH0362758U JP12183089U JP12183089U JPH0362758U JP H0362758 U JPH0362758 U JP H0362758U JP 12183089 U JP12183089 U JP 12183089U JP 12183089 U JP12183089 U JP 12183089U JP H0362758 U JPH0362758 U JP H0362758U
Authority
JP
Japan
Prior art keywords
drill
ring
shaped support
core drill
bending moment
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.)
Granted
Application number
JP12183089U
Other languages
English (en)
Japanese (ja)
Other versions
JPH0753941Y2 (ja
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 filed Critical
Priority to JP1989121830U priority Critical patent/JPH0753941Y2/ja
Publication of JPH0362758U publication Critical patent/JPH0362758U/ja
Application granted granted Critical
Publication of JPH0753941Y2 publication Critical patent/JPH0753941Y2/ja
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Landscapes

  • Grinding Of Cylindrical And Plane Surfaces (AREA)
  • Polishing Bodies And Polishing Tools (AREA)
  • Processing Of Stones Or Stones Resemblance Materials (AREA)
  • Re-Forming, After-Treatment, Cutting And Transporting Of Glass Products (AREA)
  • Drilling And Boring (AREA)
JP1989121830U 1989-10-18 1989-10-18 穿孔装置 Expired - Lifetime JPH0753941Y2 (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1989121830U JPH0753941Y2 (ja) 1989-10-18 1989-10-18 穿孔装置

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1989121830U JPH0753941Y2 (ja) 1989-10-18 1989-10-18 穿孔装置

Publications (2)

Publication Number Publication Date
JPH0362758U true JPH0362758U (enExample) 1991-06-19
JPH0753941Y2 JPH0753941Y2 (ja) 1995-12-13

Family

ID=31669852

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1989121830U Expired - Lifetime JPH0753941Y2 (ja) 1989-10-18 1989-10-18 穿孔装置

Country Status (1)

Country Link
JP (1) JPH0753941Y2 (enExample)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2012029666A1 (ja) * 2010-09-01 2012-03-08 旭硝子株式会社 ガラスの孔あけドリル

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4823386U (enExample) * 1971-07-26 1973-03-16
JPS54160817U (enExample) * 1978-04-28 1979-11-10
JPS5641953U (enExample) * 1979-09-10 1981-04-17

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4823386U (enExample) * 1971-07-26 1973-03-16
JPS54160817U (enExample) * 1978-04-28 1979-11-10
JPS5641953U (enExample) * 1979-09-10 1981-04-17

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2012029666A1 (ja) * 2010-09-01 2012-03-08 旭硝子株式会社 ガラスの孔あけドリル

Also Published As

Publication number Publication date
JPH0753941Y2 (ja) 1995-12-13

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