JPH0486109U - - Google Patents

Info

Publication number
JPH0486109U
JPH0486109U JP13050090U JP13050090U JPH0486109U JP H0486109 U JPH0486109 U JP H0486109U JP 13050090 U JP13050090 U JP 13050090U JP 13050090 U JP13050090 U JP 13050090U JP H0486109 U JPH0486109 U JP H0486109U
Authority
JP
Japan
Prior art keywords
rotating shaft
bearing
drill
drilling tool
blade
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.)
Pending
Application number
JP13050090U
Other languages
English (en)
Japanese (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 JP13050090U priority Critical patent/JPH0486109U/ja
Publication of JPH0486109U publication Critical patent/JPH0486109U/ja
Pending legal-status Critical Current

Links

Landscapes

  • Working Measures On Existing Buildindgs (AREA)
  • Drilling And Boring (AREA)
  • Drilling Tools (AREA)
  • Perforating, Stamping-Out Or Severing By Means Other Than Cutting (AREA)
  • Processing Of Stones Or Stones Resemblance Materials (AREA)
JP13050090U 1990-11-30 1990-11-30 Pending JPH0486109U (fi)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP13050090U JPH0486109U (fi) 1990-11-30 1990-11-30

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP13050090U JPH0486109U (fi) 1990-11-30 1990-11-30

Publications (1)

Publication Number Publication Date
JPH0486109U true JPH0486109U (fi) 1992-07-27

Family

ID=31877835

Family Applications (1)

Application Number Title Priority Date Filing Date
JP13050090U Pending JPH0486109U (fi) 1990-11-30 1990-11-30

Country Status (1)

Country Link
JP (1) JPH0486109U (fi)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100417253B1 (ko) * 2001-06-19 2004-02-05 김정석 드릴장축과 안전보호캡 어셈블리
JP2006000960A (ja) * 2004-06-17 2006-01-05 Hiroki Egawa 穿孔金具および内壁面穿孔法
JP2021178500A (ja) * 2020-05-15 2021-11-18 パナソニックIpマネジメント株式会社 カバー、カバー装置、及び、穴あけ装置

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5250281B2 (fi) * 1971-10-04 1977-12-23
JPS6332709B2 (fi) * 1981-12-11 1988-07-01 Ishikawajima Harima Heavy Ind

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5250281B2 (fi) * 1971-10-04 1977-12-23
JPS6332709B2 (fi) * 1981-12-11 1988-07-01 Ishikawajima Harima Heavy Ind

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100417253B1 (ko) * 2001-06-19 2004-02-05 김정석 드릴장축과 안전보호캡 어셈블리
JP2006000960A (ja) * 2004-06-17 2006-01-05 Hiroki Egawa 穿孔金具および内壁面穿孔法
JP2021178500A (ja) * 2020-05-15 2021-11-18 パナソニックIpマネジメント株式会社 カバー、カバー装置、及び、穴あけ装置

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