CA432325A - Drill bit making apparatus - Google Patents

Drill bit making apparatus

Info

Publication number
CA432325A
CA432325A CA432325A CA432325DA CA432325A CA 432325 A CA432325 A CA 432325A CA 432325 A CA432325 A CA 432325A CA 432325D A CA432325D A CA 432325DA CA 432325 A CA432325 A CA 432325A
Authority
CA
Canada
Prior art keywords
drill bit
making apparatus
bit making
drill
making
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
CA432325A
Other languages
French (fr)
Inventor
Liddicoat Percill
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
Publication date
Application granted granted Critical
Publication of CA432325A publication Critical patent/CA432325A/en
Expired legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21K—MAKING FORGED OR PRESSED METAL PRODUCTS, e.g. HORSE-SHOES, RIVETS, BOLTS OR WHEELS
    • B21K5/00—Making tools or tool parts, e.g. pliers
    • B21K5/02—Making tools or tool parts, e.g. pliers drilling-tools or other for making or working on holes
    • B21K5/06—Dressing, e.g. sharpening rock drills
CA432325A Drill bit making apparatus Expired CA432325A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA432325T

Publications (1)

Publication Number Publication Date
CA432325A true CA432325A (en) 1946-01-01

Family

ID=210017

Family Applications (1)

Application Number Title Priority Date Filing Date
CA432325A Expired CA432325A (en) Drill bit making apparatus

Country Status (1)

Country Link
CA (1) CA432325A (en)

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