GB450023A - Method of, and dies for, forging or sharpening the ends of drill rods for rock and like drilling machines - Google Patents

Method of, and dies for, forging or sharpening the ends of drill rods for rock and like drilling machines

Info

Publication number
GB450023A
GB450023A GB67435A GB67435A GB450023A GB 450023 A GB450023 A GB 450023A GB 67435 A GB67435 A GB 67435A GB 67435 A GB67435 A GB 67435A GB 450023 A GB450023 A GB 450023A
Authority
GB
United Kingdom
Prior art keywords
dies
forging
sharpening
rock
drill rods
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
GB67435A
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
Priority to GB67435A priority Critical patent/GB450023A/en
Publication of GB450023A publication Critical patent/GB450023A/en
Expired legal-status Critical Current

Links

Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B21MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21KMAKING FORGED OR PRESSED METAL PRODUCTS, e.g. HORSE-SHOES, RIVETS, BOLTS OR WHEELS
    • B21K5/00Making tools or tool parts, e.g. pliers
    • B21K5/02Making tools or tool parts, e.g. pliers drilling-tools or other for making or working on holes
    • B21K5/06Dressing, e.g. sharpening rock drills

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Forging (AREA)

Abstract

450,023. Forging - dies. BEDFORD, R. A., Grange Farm, Stumperlowe, Sheffield. Jan. 8, 1935, No. 674. [Class 83 (iv)] In making or resharpening r o c k drills in which the work in a heated condition is gripped between shaped dies and engaged by a reciprocating dolly, the dies a, b, Figs. 2 and 3, are provided with projections or nibs k which bite into the work and prevent axial movement under the blows of the dolly.
GB67435A 1935-01-08 1935-01-08 Method of, and dies for, forging or sharpening the ends of drill rods for rock and like drilling machines Expired GB450023A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB67435A GB450023A (en) 1935-01-08 1935-01-08 Method of, and dies for, forging or sharpening the ends of drill rods for rock and like drilling machines

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB67435A GB450023A (en) 1935-01-08 1935-01-08 Method of, and dies for, forging or sharpening the ends of drill rods for rock and like drilling machines

Publications (1)

Publication Number Publication Date
GB450023A true GB450023A (en) 1936-07-08

Family

ID=9708538

Family Applications (1)

Application Number Title Priority Date Filing Date
GB67435A Expired GB450023A (en) 1935-01-08 1935-01-08 Method of, and dies for, forging or sharpening the ends of drill rods for rock and like drilling machines

Country Status (1)

Country Link
GB (1) GB450023A (en)

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