DE29504676U1 - Symmetrical rotary tool - Google Patents

Symmetrical rotary tool

Info

Publication number
DE29504676U1
DE29504676U1 DE29504676U DE29504676U DE29504676U1 DE 29504676 U1 DE29504676 U1 DE 29504676U1 DE 29504676 U DE29504676 U DE 29504676U DE 29504676 U DE29504676 U DE 29504676U DE 29504676 U1 DE29504676 U1 DE 29504676U1
Authority
DE
Germany
Prior art keywords
rotary tool
symmetrical rotary
symmetrical
tool
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.)
Expired - Lifetime
Application number
DE29504676U
Other languages
German (de)
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.)
Boart Hwf Co KG GmbH
Boart Longyear GmbH and Co KG
Original Assignee
BOART HWF GMBH CO KG
Boart Longyear GmbH and Co 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 BOART HWF GMBH CO KG, Boart Longyear GmbH and Co KG filed Critical BOART HWF GMBH CO KG
Priority to DE29504676U priority Critical patent/DE29504676U1/en
Publication of DE29504676U1 publication Critical patent/DE29504676U1/en
Anticipated expiration legal-status Critical
Application status is Expired - Lifetime legal-status Critical

Links

Classifications

    • EFIXED CONSTRUCTIONS
    • E21EARTH DRILLING; MINING
    • E21CMINING OR QUARRYING
    • E21C35/00Miscellaneous items relating to machines for slitting or completely freeing the mineral from the seam
    • E21C35/18Mining picks; Holders therefor
    • E21C35/19Means for fixing picks or holders
    • EFIXED CONSTRUCTIONS
    • E21EARTH DRILLING; MINING
    • E21CMINING OR QUARRYING
    • E21C35/00Miscellaneous items relating to machines for slitting or completely freeing the mineral from the seam
    • E21C35/18Mining picks; Holders therefor
    • E21C35/183Mining picks; Holders therefor with inserts or layers of wear-resistant material
    • EFIXED CONSTRUCTIONS
    • E21EARTH DRILLING; MINING
    • E21CMINING OR QUARRYING
    • E21C35/00Miscellaneous items relating to machines for slitting or completely freeing the mineral from the seam
    • E21C35/18Mining picks; Holders therefor
    • E21C2035/1803Inserts or layers of wear-resistant material
    • E21C2035/1806Fixing methods or devices
    • EFIXED CONSTRUCTIONS
    • E21EARTH DRILLING; MINING
    • E21CMINING OR QUARRYING
    • E21C35/00Miscellaneous items relating to machines for slitting or completely freeing the mineral from the seam
    • E21C35/18Mining picks; Holders therefor
    • E21C2035/1803Inserts or layers of wear-resistant material
    • E21C2035/1816Inserts or layers of wear-resistant material characterised by the shape
DE29504676U 1995-03-18 1995-03-18 Symmetrical rotary tool Expired - Lifetime DE29504676U1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
DE29504676U DE29504676U1 (en) 1995-03-18 1995-03-18 Symmetrical rotary tool

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE29504676U DE29504676U1 (en) 1995-03-18 1995-03-18 Symmetrical rotary tool

Publications (1)

Publication Number Publication Date
DE29504676U1 true DE29504676U1 (en) 1995-07-13

Family

ID=8005568

Family Applications (1)

Application Number Title Priority Date Filing Date
DE29504676U Expired - Lifetime DE29504676U1 (en) 1995-03-18 1995-03-18 Symmetrical rotary tool

Country Status (1)

Country Link
DE (1) DE29504676U1 (en)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6375272B1 (en) 2000-03-24 2002-04-23 Kennametal Inc. Rotatable cutting tool insert
DE10335857A1 (en) * 2003-08-06 2005-03-03 Josef Rickert Chisel with a hard-metal insert fastened in a cutout incorporates a collar positioned around the cutout so that a receptacle is formed between the hard-metal insert and the collar
EP2540959A1 (en) 2011-06-28 2013-01-02 Sandvik Intellectual Property AB Cutting tip and cutting bit having increased strength and penetration capability
CN104047547A (en) * 2013-03-12 2014-09-17 桂林卡乐工程钻石科技有限公司 Trajectory polycrystalline mining tool and method for manufacturing tool

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2846744A1 (en) * 1978-10-27 1980-04-30 Wallram Hartmetall Gmbh Mine coal cutting pick cone fixing lug - has reverse cone and circular sections, and reducing collar on ledge
US4725098A (en) * 1986-12-19 1988-02-16 Kennametal Inc. Erosion resistant cutting bit with hardfacing
DE3317441C2 (en) * 1983-03-23 1993-03-18 Santrade Ltd., Luzern, Ch
DE4306206A1 (en) * 1993-03-01 1994-09-08 Wirtgen Gmbh Milling-cutter arrangement for road-milling machines

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2846744A1 (en) * 1978-10-27 1980-04-30 Wallram Hartmetall Gmbh Mine coal cutting pick cone fixing lug - has reverse cone and circular sections, and reducing collar on ledge
DE3317441C2 (en) * 1983-03-23 1993-03-18 Santrade Ltd., Luzern, Ch
US4725098A (en) * 1986-12-19 1988-02-16 Kennametal Inc. Erosion resistant cutting bit with hardfacing
DE4306206A1 (en) * 1993-03-01 1994-09-08 Wirtgen Gmbh Milling-cutter arrangement for road-milling machines

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6375272B1 (en) 2000-03-24 2002-04-23 Kennametal Inc. Rotatable cutting tool insert
WO2001073252A3 (en) * 2000-03-24 2002-05-23 Kennametal Inc Rotatable cutting tool
DE10335857A1 (en) * 2003-08-06 2005-03-03 Josef Rickert Chisel with a hard-metal insert fastened in a cutout incorporates a collar positioned around the cutout so that a receptacle is formed between the hard-metal insert and the collar
EP2540959A1 (en) 2011-06-28 2013-01-02 Sandvik Intellectual Property AB Cutting tip and cutting bit having increased strength and penetration capability
WO2013000798A1 (en) 2011-06-28 2013-01-03 Sandvik Intellectual Property Ab Cutting tip and cutting bit having increased strength and penetration capability
CN104047547A (en) * 2013-03-12 2014-09-17 桂林卡乐工程钻石科技有限公司 Trajectory polycrystalline mining tool and method for manufacturing tool

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Legal Events

Date Code Title Description
R207 Utility model specification

Effective date: 19950824

R163 Identified publications notified

Effective date: 19950828

R150 Term of protection extended to 6 years

Effective date: 19980609

R157 Lapse of ip right after 6 years

Effective date: 20020101