EP0477253A4 - Hohlbohrer. - Google Patents

Hohlbohrer.

Info

Publication number
EP0477253A4
EP0477253A4 EP19900909564 EP90909564A EP0477253A4 EP 0477253 A4 EP0477253 A4 EP 0477253A4 EP 19900909564 EP19900909564 EP 19900909564 EP 90909564 A EP90909564 A EP 90909564A EP 0477253 A4 EP0477253 A4 EP 0477253A4
Authority
EP
European Patent Office
Prior art keywords
ring
cutter
segments
steel
support tube
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
EP19900909564
Other languages
English (en)
French (fr)
Other versions
EP0477253A1 (de
EP0477253B1 (de
Inventor
Peter Hausberger
Franz Egger
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.)
Tyrolit-Schleifmittelwerke Swarovski KG
Original Assignee
Tyrolit-Schleifmittelwerke Swarovski KG
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 Tyrolit-Schleifmittelwerke Swarovski KG filed Critical Tyrolit-Schleifmittelwerke Swarovski KG
Publication of EP0477253A1 publication Critical patent/EP0477253A1/de
Publication of EP0477253A4 publication Critical patent/EP0477253A4/de
Application granted granted Critical
Publication of EP0477253B1 publication Critical patent/EP0477253B1/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B28—WORKING CEMENT, CLAY, OR STONE
    • B28D—WORKING STONE OR STONE-LIKE MATERIALS
    • B28D1/00—Working stone or stone-like materials, e.g. brick, concrete or glass, not provided for elsewhere; Machines, devices, tools therefor
    • B28D1/02—Working stone or stone-like materials, e.g. brick, concrete or glass, not provided for elsewhere; Machines, devices, tools therefor by sawing
    • B28D1/04—Working stone or stone-like materials, e.g. brick, concrete or glass, not provided for elsewhere; Machines, devices, tools therefor by sawing with circular or cylindrical saw-blades or saw-discs
    • B28D1/041—Working stone or stone-like materials, e.g. brick, concrete or glass, not provided for elsewhere; Machines, devices, tools therefor by sawing with circular or cylindrical saw-blades or saw-discs with cylinder saws, e.g. trepanning; saw cylinders, e.g. having their cutting rim equipped with abrasive particles
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23D—PLANING; SLOTTING; SHEARING; BROACHING; SAWING; FILING; SCRAPING; LIKE OPERATIONS FOR WORKING METAL BY REMOVING MATERIAL, NOT OTHERWISE PROVIDED FOR
    • B23D61/00—Tools for sawing machines or sawing devices; Clamping devices for these tools
    • B23D61/02—Circular saw blades
    • B23D61/025—Details of saw blade body
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B24—GRINDING; POLISHING
    • B24D—TOOLS FOR GRINDING, BUFFING OR SHARPENING
    • B24D7/00—Bonded abrasive wheels, or wheels with inserted abrasive blocks, designed for acting otherwise than only by their periphery, e.g. by the front face; Bushings or mountings therefor
    • B24D7/18—Wheels of special form

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Mining & Mineral Resources (AREA)
  • Processing Of Stones Or Stones Resemblance Materials (AREA)
  • Drilling Tools (AREA)
  • Polishing Bodies And Polishing Tools (AREA)
  • Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
  • Dowels (AREA)
  • Drilling And Boring (AREA)
EP90909564A 1989-06-14 1990-06-13 Hohlbohrer Expired - Lifetime EP0477253B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
AT145089 1989-06-14
AT1450/89 1989-06-14

Publications (3)

Publication Number Publication Date
EP0477253A1 EP0477253A1 (de) 1992-04-01
EP0477253A4 true EP0477253A4 (de) 1992-07-29
EP0477253B1 EP0477253B1 (de) 1993-08-11

Family

ID=3514158

Family Applications (1)

Application Number Title Priority Date Filing Date
EP90909564A Expired - Lifetime EP0477253B1 (de) 1989-06-14 1990-06-13 Hohlbohrer

Country Status (4)

Country Link
EP (1) EP0477253B1 (de)
AT (1) ATE92815T1 (de)
FI (1) FI915434A7 (de)
WO (1) WO1990015683A1 (de)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110593775A (zh) * 2012-12-21 2019-12-20 喜利得股份公司 用于钻头的切削区段

Families Citing this family (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1992012837A1 (de) * 1991-01-15 1992-08-06 Tyrolit Schleifmittelwerke Swarovski K.G. Hohlbohrer
DE19648868A1 (de) * 1996-11-26 1998-05-28 Hilti Ag Bohrwerkzeug mit hohlzylinderförmigem Trägerkörper
AT5265U1 (de) * 2001-07-27 2002-05-27 Schraml Glastechnik Gmbh Diamant-hohlbohrer
IL160074A (en) * 2004-01-26 2009-07-20 Redent Nova Ltd Self adjusting instrument
DE102011089546A1 (de) 2011-12-22 2013-06-27 Hilti Aktiengesellschaft Bohrkrone mit einem austauschbaren Bohrkronenabschnitt
WO2014015154A1 (en) 2012-07-18 2014-01-23 Milwaukee Electric Tool Corporation Hole saw
EP2745965A1 (de) * 2012-12-21 2014-06-25 HILTI Aktiengesellschaft Bohrkrone mit einem austauschbaren Schneidabschnitt
EP2745966A1 (de) * 2012-12-21 2014-06-25 HILTI Aktiengesellschaft Bohrkrone mit einem austauschbaren Schneidabschnitt
CN103660044B (zh) * 2013-12-03 2015-11-18 常州深倍超硬材料有限公司 具有冷却结构的组合刀具
EP3820639A4 (de) 2018-07-10 2022-06-15 Milwaukee Electric Tool Corporation Lochsäge mit sechseckigen seitenwandlöchern
CN113924180A (zh) 2019-06-20 2022-01-11 米沃奇电动工具公司 具有圆形侧壁开口的孔锯
USD958855S1 (en) 2019-12-09 2022-07-26 Milwaukee Electric Tool Corporation Hole saw
JP7412042B2 (ja) * 2019-12-24 2024-01-12 桂林創源金剛石有限公司 高速且つ高効率のドリルビット
EP4667144A1 (de) 2024-06-18 2025-12-24 Hilti Aktiengesellschaft Werkzeugeinsatz zum kernbohren mit verbesserter führung

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2996061A (en) * 1959-01-26 1961-08-15 Super Cut Abrasive diamond core drill
CH585339A5 (de) * 1973-02-09 1977-02-28 Hawera Probst Kg Hartmetall
DE2311258A1 (de) * 1973-03-07 1974-09-12 Winter & Sohn Ernst Bohrwerkzeug mit einer zylinderfoermigen bohrkrone
GB2052325A (en) * 1979-07-03 1981-01-28 Stark T Multi-cutter drilling bit tool
AT360734B (de) * 1979-08-17 1981-01-26 Swarovski Tyrolit Schleif Hohlbohrer
JPS59143616U (ja) * 1983-03-14 1984-09-26 萬デザイン株式会社 環状カツタ−
DE3706641A1 (de) * 1987-03-02 1988-09-15 Hilti Ag Hohlbohrer
DE3901528A1 (de) * 1989-01-20 1990-07-26 Hilti Ag Hohlbohrwerkzeug

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110593775A (zh) * 2012-12-21 2019-12-20 喜利得股份公司 用于钻头的切削区段

Also Published As

Publication number Publication date
ATE92815T1 (de) 1993-08-15
EP0477253A1 (de) 1992-04-01
WO1990015683A1 (de) 1990-12-27
FI915434A0 (fi) 1991-11-18
EP0477253B1 (de) 1993-08-11
FI915434A7 (fi) 1991-11-18

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