CH257177A - Machine for grinding twist drills. - Google Patents

Machine for grinding twist drills.

Info

Publication number
CH257177A
CH257177A CH257177DA CH257177A CH 257177 A CH257177 A CH 257177A CH 257177D A CH257177D A CH 257177DA CH 257177 A CH257177 A CH 257177A
Authority
CH
Switzerland
Prior art keywords
machine
twist drills
grinding twist
grinding
drills
Prior art date
Application number
Other languages
German (de)
Inventor
Cie Rausser
Original Assignee
Rausser & Cie
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 Rausser & Cie filed Critical Rausser & Cie
Publication of CH257177A publication Critical patent/CH257177A/en

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
CH257177D 1946-01-04 1946-01-04 Machine for grinding twist drills. CH257177A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH257177T 1946-01-04

Publications (1)

Publication Number Publication Date
CH257177A true CH257177A (en) 1948-09-30

Family

ID=4472052

Family Applications (1)

Application Number Title Priority Date Filing Date
CH257177D CH257177A (en) 1946-01-04 1946-01-04 Machine for grinding twist drills.

Country Status (1)

Country Link
CH (1) CH257177A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1170276B (en) * 1955-05-09 1964-05-14 Atlas Copco Ab Device for grinding rock drill bits
DE1262815B (en) * 1959-10-27 1968-03-07 Hammond Machinery Builders Inc Adjustment device for changing the amplitude of the oscillation movement of a grinding wheel of a tool grinding machine mounted on a rocker

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1170276B (en) * 1955-05-09 1964-05-14 Atlas Copco Ab Device for grinding rock drill bits
DE1262815B (en) * 1959-10-27 1968-03-07 Hammond Machinery Builders Inc Adjustment device for changing the amplitude of the oscillation movement of a grinding wheel of a tool grinding machine mounted on a rocker

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