EP3524774A4 - New cutting pick - Google Patents

New cutting pick Download PDF

Info

Publication number
EP3524774A4
EP3524774A4 EP17857782.1A EP17857782A EP3524774A4 EP 3524774 A4 EP3524774 A4 EP 3524774A4 EP 17857782 A EP17857782 A EP 17857782A EP 3524774 A4 EP3524774 A4 EP 3524774A4
Authority
EP
European Patent Office
Prior art keywords
new cutting
cutting pick
pick
new
cutting
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.)
Withdrawn
Application number
EP17857782.1A
Other languages
German (de)
French (fr)
Other versions
EP3524774A1 (en
Inventor
Gang Yang
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Publication of EP3524774A1 publication Critical patent/EP3524774A1/en
Publication of EP3524774A4 publication Critical patent/EP3524774A4/en
Withdrawn legal-status Critical Current

Links

Classifications

    • E—FIXED CONSTRUCTIONS
    • E21—EARTH DRILLING; MINING
    • E21C—MINING OR QUARRYING
    • E21C35/00—Details of, or accessories for, machines for slitting or completely freeing the mineral from the seam, not provided for in groups E21C25/00 - E21C33/00, E21C37/00 or E21C39/00
    • E21C35/18—Mining picks; Holders therefor
    • E21C35/19—Means for fixing picks or holders
    • E21C35/197—Means for fixing picks or holders using sleeves, rings or the like, as main fixing elements
    • E—FIXED CONSTRUCTIONS
    • E21—EARTH DRILLING; MINING
    • E21C—MINING OR QUARRYING
    • E21C35/00—Details of, or accessories for, machines for slitting or completely freeing the mineral from the seam, not provided for in groups E21C25/00 - E21C33/00, E21C37/00 or E21C39/00
    • E21C35/18—Mining picks; Holders therefor
    • E21C35/183—Mining picks; Holders therefor with inserts or layers of wear-resisting material
    • E—FIXED CONSTRUCTIONS
    • E21—EARTH DRILLING; MINING
    • E21C—MINING OR QUARRYING
    • E21C35/00—Details of, or accessories for, machines for slitting or completely freeing the mineral from the seam, not provided for in groups E21C25/00 - E21C33/00, E21C37/00 or E21C39/00
    • E21C35/18—Mining picks; Holders therefor
    • E21C35/183—Mining picks; Holders therefor with inserts or layers of wear-resisting material
    • E21C35/1831—Fixing methods or devices
    • E—FIXED CONSTRUCTIONS
    • E21—EARTH DRILLING; MINING
    • E21C—MINING OR QUARRYING
    • E21C35/00—Details of, or accessories for, machines for slitting or completely freeing the mineral from the seam, not provided for in groups E21C25/00 - E21C33/00, E21C37/00 or E21C39/00
    • E21C35/18—Mining picks; Holders therefor
    • E21C35/183—Mining picks; Holders therefor with inserts or layers of wear-resisting material
    • E21C35/1837—Mining picks; Holders therefor with inserts or layers of wear-resisting material characterised by the shape
EP17857782.1A 2016-10-09 2017-07-07 New cutting pick Withdrawn EP3524774A4 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN201610877452.7A CN106351657A (en) 2016-10-09 2016-10-09 Novel cutting pick
PCT/CN2017/092134 WO2018064901A1 (en) 2016-10-09 2017-07-07 New cutting pick

Publications (2)

Publication Number Publication Date
EP3524774A1 EP3524774A1 (en) 2019-08-14
EP3524774A4 true EP3524774A4 (en) 2020-06-17

Family

ID=57866208

Family Applications (1)

Application Number Title Priority Date Filing Date
EP17857782.1A Withdrawn EP3524774A4 (en) 2016-10-09 2017-07-07 New cutting pick

Country Status (3)

Country Link
EP (1) EP3524774A4 (en)
CN (1) CN106351657A (en)
WO (1) WO2018064901A1 (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106351657A (en) * 2016-10-09 2017-01-25 杨岗 Novel cutting pick
GB2579448A (en) * 2018-11-27 2020-06-24 Element Six Gmbh Pick tool for road milling
CN112696206A (en) * 2020-12-29 2021-04-23 北京城建轨道交通建设工程有限公司 Cutting pick for rotary drilling rig

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2129853A (en) * 1982-11-08 1984-05-23 Wimet Mining Limited Cutter picks and pick mounting arrangements
DE102005001535B3 (en) * 2005-01-13 2006-08-31 Betek Bergbau- Und Hartmetalltechnik Karl-Heinz Simon Gmbh & Co. Kg Mounting for mining cutter has security ring with face engaging flat face on cutter shaft
CN202991038U (en) * 2012-09-12 2013-06-12 杨岗 Strengthened cutting tooth
CN203441492U (en) * 2013-07-31 2014-02-19 杨岗 Reinforced cutting tooth

Family Cites Families (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4804231A (en) * 1985-06-24 1989-02-14 Gte Laboratories Incorporated Point attack mine and road milling tool with replaceable cutter tip
CN201367905Y (en) * 2009-01-19 2009-12-23 邵祥顺 Bowl-shaped sheet hard rock cone-shaped bit
CN201420554Y (en) * 2009-05-19 2010-03-10 牛之平 Cutting pick with alloy protective base
GB201215555D0 (en) * 2012-08-31 2012-10-17 Element Six Gmbh Pick assembly, bit assembly and degradation tool
CN103009001B (en) * 2012-12-20 2015-06-10 河南省煤科院耐磨技术有限公司 Production method of cold assembly low-cutting-resistance wear-resistant conical bit
CN203347793U (en) * 2013-04-16 2013-12-18 黑龙江科技学院 Pickaxe type cutting pick provided with elastic function structure and hard alloy head with non-circular-arc conical surface
CN203925495U (en) * 2014-05-30 2014-11-05 无锡正大轴承机械制造有限公司 Buffer-type welding pick-shaped cutter for coal-winning machine
CN104500063B (en) * 2014-12-07 2017-07-14 江西耀升钨业股份有限公司 A kind of super coarse-grain hard alloy pick of low cobalt and its manufacture method
CN204402493U (en) * 2015-01-13 2015-06-17 河南博瑞克矿山机械有限公司 One opens lithosphere pick
CN204646233U (en) * 2015-04-09 2015-09-16 山东天工岩土工程设备有限公司 A kind of reinforcement wear-resisting type tool rest
CN205154160U (en) * 2015-11-06 2016-04-13 盐城澳斯科特矿用设备有限公司 Take carbide's pick
CN105333261B (en) * 2015-11-25 2017-07-18 南京晨光复合管工程有限公司 A kind of bolt matable ocean high pressure RTP joints and its assembly method
CN106351657A (en) * 2016-10-09 2017-01-25 杨岗 Novel cutting pick
CN206513367U (en) * 2016-10-09 2017-09-22 杨岗 A kind of Novel cutting tooth

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2129853A (en) * 1982-11-08 1984-05-23 Wimet Mining Limited Cutter picks and pick mounting arrangements
DE102005001535B3 (en) * 2005-01-13 2006-08-31 Betek Bergbau- Und Hartmetalltechnik Karl-Heinz Simon Gmbh & Co. Kg Mounting for mining cutter has security ring with face engaging flat face on cutter shaft
CN202991038U (en) * 2012-09-12 2013-06-12 杨岗 Strengthened cutting tooth
CN203441492U (en) * 2013-07-31 2014-02-19 杨岗 Reinforced cutting tooth

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See also references of WO2018064901A1 *

Also Published As

Publication number Publication date
WO2018064901A1 (en) 2018-04-12
EP3524774A1 (en) 2019-08-14
CN106351657A (en) 2017-01-25

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Legal Events

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PUAI Public reference made under article 153(3) epc to a published international application that has entered the european phase

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Effective date: 20180628

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AX Request for extension of the european patent

Extension state: BA ME

DAV Request for validation of the european patent (deleted)
DAX Request for extension of the european patent (deleted)
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A4 Supplementary search report drawn up and despatched

Effective date: 20200515

RIC1 Information provided on ipc code assigned before grant

Ipc: E21C 35/183 20060101AFI20200511BHEP

Ipc: E21C 35/197 20060101ALI20200511BHEP

18W Application withdrawn

Effective date: 20200515