DE29903946U1 - Kernbohrer mit verbessertem Schneidverhalten - Google Patents

Kernbohrer mit verbessertem Schneidverhalten

Info

Publication number
DE29903946U1
DE29903946U1 DE29903946U DE29903946U DE29903946U1 DE 29903946 U1 DE29903946 U1 DE 29903946U1 DE 29903946 U DE29903946 U DE 29903946U DE 29903946 U DE29903946 U DE 29903946U DE 29903946 U1 DE29903946 U1 DE 29903946U1
Authority
DE
Germany
Prior art keywords
core drill
improved cutting
cutting behavior
behavior
improved
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.)
Ceased
Application number
DE29903946U
Other languages
English (en)
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Ruko Praezisionswerkzeuge 71088 Holzgerlingen De GmbH
Ruko GmbH Prazisionswerkzeuge
Original Assignee
Ruko Praezisionswerkzeuge 71088 Holzgerlingen De GmbH
Ruko GmbH Prazisionswerkzeuge
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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=8070336&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=DE29903946(U1) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Ruko Praezisionswerkzeuge 71088 Holzgerlingen De GmbH, Ruko GmbH Prazisionswerkzeuge filed Critical Ruko Praezisionswerkzeuge 71088 Holzgerlingen De GmbH
Priority to DE29903946U priority Critical patent/DE29903946U1/de
Publication of DE29903946U1 publication Critical patent/DE29903946U1/de
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

Links

Classifications

    • E—FIXED CONSTRUCTIONS
    • E21—EARTH DRILLING; MINING
    • E21B—EARTH DRILLING, e.g. DEEP DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
    • E21B10/00—Drill bits
    • E21B10/46—Drill bits characterised by wear resisting parts, e.g. diamond inserts
    • E21B10/48—Drill bits characterised by wear resisting parts, e.g. diamond inserts the bit being of core type
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23B—TURNING; BORING
    • B23B51/00—Tools for drilling machines
    • B23B51/04—Drills for trepanning
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23B—TURNING; BORING
    • B23B2251/00—Details of tools for drilling machines
    • B23B2251/40—Flutes, i.e. chip conveying grooves
    • B23B2251/408—Spiral grooves

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Geology (AREA)
  • Mining & Mineral Resources (AREA)
  • Physics & Mathematics (AREA)
  • Environmental & Geological Engineering (AREA)
  • Fluid Mechanics (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
DE29903946U 1999-03-04 1999-03-04 Kernbohrer mit verbessertem Schneidverhalten Ceased DE29903946U1 (de)

Priority Applications (1)

Application Number Priority Date Filing Date Title
DE29903946U DE29903946U1 (de) 1999-03-04 1999-03-04 Kernbohrer mit verbessertem Schneidverhalten

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE29903946U DE29903946U1 (de) 1999-03-04 1999-03-04 Kernbohrer mit verbessertem Schneidverhalten

Publications (1)

Publication Number Publication Date
DE29903946U1 true DE29903946U1 (de) 1999-06-02

Family

ID=8070336

Family Applications (1)

Application Number Title Priority Date Filing Date
DE29903946U Ceased DE29903946U1 (de) 1999-03-04 1999-03-04 Kernbohrer mit verbessertem Schneidverhalten

Country Status (1)

Country Link
DE (1) DE29903946U1 (de)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1236553A1 (de) * 2001-02-19 2002-09-04 Ehwa Diamond Ind. Co., Ltd. Hohlbohrwerkzeug
CN111894470A (zh) * 2020-07-20 2020-11-06 中国石油天然气股份有限公司 Pdc钻头、确定其排屑槽的螺旋角度的方法及钻井方法

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1236553A1 (de) * 2001-02-19 2002-09-04 Ehwa Diamond Ind. Co., Ltd. Hohlbohrwerkzeug
CN111894470A (zh) * 2020-07-20 2020-11-06 中国石油天然气股份有限公司 Pdc钻头、确定其排屑槽的螺旋角度的方法及钻井方法
CN111894470B (zh) * 2020-07-20 2022-03-29 中国石油天然气股份有限公司 Pdc钻头、确定其排屑槽的螺旋角度的方法及钻井方法

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Legal Events

Date Code Title Description
R207 Utility model specification

Effective date: 19990715

R163 Identified publications notified

Effective date: 19990901

R165 Request for cancellation or ruling filed
R150 Utility model maintained after payment of first maintenance fee after three years

Effective date: 20020926

R168 Utility model cancelled

Effective date: 20030219