EP2095905A3 - Sharpening apparatus, particularly for drilling bits - Google Patents

Sharpening apparatus, particularly for drilling bits Download PDF

Info

Publication number
EP2095905A3
EP2095905A3 EP09151927.2A EP09151927A EP2095905A3 EP 2095905 A3 EP2095905 A3 EP 2095905A3 EP 09151927 A EP09151927 A EP 09151927A EP 2095905 A3 EP2095905 A3 EP 2095905A3
Authority
EP
European Patent Office
Prior art keywords
drilling bits
containment enclosure
sharpening
sharpening apparatus
frustum
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Withdrawn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
EP09151927.2A
Other languages
German (de)
French (fr)
Other versions
EP2095905A2 (en
Inventor
Nicola Berni
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 EP2095905A2 publication Critical patent/EP2095905A2/en
Publication of EP2095905A3 publication Critical patent/EP2095905A3/en
Withdrawn legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B24—GRINDING; POLISHING
    • B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
    • B24B3/00—Sharpening cutting edges, e.g. of tools; Accessories therefor, e.g. for holding the tools
    • B24B3/36—Sharpening cutting edges, e.g. of tools; Accessories therefor, e.g. for holding the tools of cutting blades
    • B24B3/54—Sharpening cutting edges, e.g. of tools; Accessories therefor, e.g. for holding the tools of cutting blades of hand or table knives
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B24—GRINDING; POLISHING
    • B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
    • B24B3/00—Sharpening cutting edges, e.g. of tools; Accessories therefor, e.g. for holding the tools
    • B24B3/24—Sharpening cutting edges, e.g. of tools; Accessories therefor, e.g. for holding the tools of drills
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B24—GRINDING; POLISHING
    • B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
    • B24B3/00—Sharpening cutting edges, e.g. of tools; Accessories therefor, e.g. for holding the tools
    • B24B3/24—Sharpening cutting edges, e.g. of tools; Accessories therefor, e.g. for holding the tools of drills
    • B24B3/247—Supports for drills
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B24—GRINDING; POLISHING
    • B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
    • B24B3/00—Sharpening cutting edges, e.g. of tools; Accessories therefor, e.g. for holding the tools
    • B24B3/36—Sharpening cutting edges, e.g. of tools; Accessories therefor, e.g. for holding the tools of cutting blades
    • B24B3/52—Sharpening cutting edges, e.g. of tools; Accessories therefor, e.g. for holding the tools of cutting blades of shear blades or scissors

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Processing Of Stones Or Stones Resemblance Materials (AREA)
  • Finish Polishing, Edge Sharpening, And Grinding By Specific Grinding Devices (AREA)
  • Drilling And Boring (AREA)
  • Electrical Discharge Machining, Electrochemical Machining, And Combined Machining (AREA)

Abstract

A sharpening apparatus (1), particularly for drilling bits, comprising, within a containment enclosure (2), a frustum-shaped grinding wheel (10), which is connected to a shaft (11) turned by motor means (12), the apparatus further comprising, on the containment enclosure (2), a registration assembly (20) for the axial positioning of a bit (26) to be sharpened in a supporting mandrel (22); on the containment enclosure (2), a sharpening seat (50) being also provided for accommodating the supporting mandrel (22) with a presettable positioning angle of the sharp edge of the bit (26) to be sharpened with respect to the frustum-shaped grinding wheel (10).
EP09151927.2A 2008-02-27 2009-02-03 Sharpening apparatus, particularly for drilling bits Withdrawn EP2095905A3 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
ITMI20080317 ITMI20080317A1 (en) 2008-02-27 2008-02-27 EQUIPMENT FOR SHARPENING IN PARTICULAR OF DRILLING POINTS.

Publications (2)

Publication Number Publication Date
EP2095905A2 EP2095905A2 (en) 2009-09-02
EP2095905A3 true EP2095905A3 (en) 2013-09-25

Family

ID=40291709

Family Applications (1)

Application Number Title Priority Date Filing Date
EP09151927.2A Withdrawn EP2095905A3 (en) 2008-02-27 2009-02-03 Sharpening apparatus, particularly for drilling bits

Country Status (2)

Country Link
EP (1) EP2095905A3 (en)
IT (1) ITMI20080317A1 (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ITMO20100043A1 (en) * 2010-02-25 2011-08-26 Arti Tec Di Cavallini M E C S N C MULTIFUNCTIONAL SHARPENING GROUP
US8678882B1 (en) * 2013-06-26 2014-03-25 Edgecraft Corporation Combination sharpener assembly
CN108296948A (en) * 2017-01-13 2018-07-20 苏州宝时得电动工具有限公司 Sander
CN110509127A (en) * 2019-09-24 2019-11-29 方大控股有限公司 A kind of alloy bit grinding device and technique

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0471490A2 (en) * 1990-08-11 1992-02-19 Martek Limited A multiple purpose tool grinding device
US6676494B1 (en) * 2003-06-11 2004-01-13 Chuan-Chien Ching Drill bit grinder structure
US20060205328A1 (en) * 2005-03-14 2006-09-14 Ming-Ko Liao Dual-head grinding drill machine and grinding method

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0471490A2 (en) * 1990-08-11 1992-02-19 Martek Limited A multiple purpose tool grinding device
US6676494B1 (en) * 2003-06-11 2004-01-13 Chuan-Chien Ching Drill bit grinder structure
US20060205328A1 (en) * 2005-03-14 2006-09-14 Ming-Ko Liao Dual-head grinding drill machine and grinding method

Also Published As

Publication number Publication date
ITMI20080317A1 (en) 2009-08-28
EP2095905A2 (en) 2009-09-02

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