FR925598A - Device for sharpening helical bits - Google Patents

Device for sharpening helical bits

Info

Publication number
FR925598A
FR925598A FR925598DA FR925598A FR 925598 A FR925598 A FR 925598A FR 925598D A FR925598D A FR 925598DA FR 925598 A FR925598 A FR 925598A
Authority
FR
France
Prior art keywords
bits
sharpening
sharpening helical
helical bits
helical
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
Application number
Other languages
French (fr)
Inventor
Joseph Ganz
Joos Heintz
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 filed Critical
Application granted granted Critical
Publication of FR925598A publication Critical patent/FR925598A/en
Expired 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
    • B24B3/24—Sharpening cutting edges, e.g. of tools; Accessories therefor, e.g. for holding the tools of drills
    • B24B3/247—Supports for drills
FR925598D 1945-04-13 1946-04-13 Device for sharpening helical bits Expired FR925598A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH270614T 1945-04-13

Publications (1)

Publication Number Publication Date
FR925598A true FR925598A (en) 1947-09-08

Family

ID=4477829

Family Applications (1)

Application Number Title Priority Date Filing Date
FR925598D Expired FR925598A (en) 1945-04-13 1946-04-13 Device for sharpening helical bits

Country Status (4)

Country Link
US (1) US2511055A (en)
CH (1) CH270614A (en)
ES (1) ES173242A1 (en)
FR (1) FR925598A (en)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2736147A (en) * 1956-02-28 Michelson
US2596916A (en) * 1948-11-12 1952-05-13 William E Raney Drill grinder
US2660008A (en) * 1951-01-22 1953-11-24 Reading Harold Cornelius Drill grinding jig
DE1003078B (en) * 1952-05-28 1957-02-21 Eugen Naedelin Device for grinding twist drills
US2780894A (en) * 1954-04-28 1957-02-12 Nordberg Manufacturing Co Twist drill sharpening attachment for tool grinder
US2870579A (en) * 1955-02-28 1959-01-27 Henry S Siemsen Automatic grinding machine for spiral drills

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1195248A (en) * 1916-08-22 Tool-gbinding attachment
US751198A (en) * 1904-02-02 parpart
US563593A (en) * 1896-07-07 hoenscheid
US643703A (en) * 1899-11-11 1900-02-20 Charles D Fuller Drill-grinding machine.
GB190009930A (en) * 1900-05-30 1901-02-09 James John Guest Improvements in Drill Grinding Machines.
GB190914432A (en) * 1909-06-19 1910-03-03 Claude Ragot Improved Drill Sharpening Machine.
US2139938A (en) * 1937-12-04 1938-12-13 Samuel A Poole Machine for grinding drill bits
US2356175A (en) * 1940-08-03 1944-08-22 Lisle Corp Grinder attachment
US2415121A (en) * 1943-03-10 1947-02-04 Rockwell Mfg Co Drill grinder

Also Published As

Publication number Publication date
CH270614A (en) 1950-09-15
ES173242A1 (en) 1946-05-16
US2511055A (en) 1950-06-13

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