GB234678A - Improvements in machines for forging or sharpening rock drills - Google Patents

Improvements in machines for forging or sharpening rock drills

Info

Publication number
GB234678A
GB234678A GB1956724A GB1956724A GB234678A GB 234678 A GB234678 A GB 234678A GB 1956724 A GB1956724 A GB 1956724A GB 1956724 A GB1956724 A GB 1956724A GB 234678 A GB234678 A GB 234678A
Authority
GB
United Kingdom
Prior art keywords
forging
machines
rock drills
sharpening rock
sharpening
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
GB1956724A
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.)
Ingersoll Rand Co
Original Assignee
Ingersoll Rand Co
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 Ingersoll Rand Co filed Critical Ingersoll Rand Co
Priority to GB1956724A priority Critical patent/GB234678A/en
Publication of GB234678A publication Critical patent/GB234678A/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

Landscapes

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

Abstract

234,678. Marks, E. C. R., (Ingersoll- Rand Co.). Aug. 18, 1924. Pistons (main) acting as sole valves.-A pneumatic tool p forming part of a rock-drill sharpening machine has a. supply port o, the subsequent reciprocation of the hammer-piston being automatic.
GB1956724A 1924-08-18 1924-08-18 Improvements in machines for forging or sharpening rock drills Expired GB234678A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB1956724A GB234678A (en) 1924-08-18 1924-08-18 Improvements in machines for forging or sharpening rock drills

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB1956724A GB234678A (en) 1924-08-18 1924-08-18 Improvements in machines for forging or sharpening rock drills

Publications (1)

Publication Number Publication Date
GB234678A true GB234678A (en) 1925-06-04

Family

ID=10131531

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1956724A Expired GB234678A (en) 1924-08-18 1924-08-18 Improvements in machines for forging or sharpening rock drills

Country Status (1)

Country Link
GB (1) GB234678A (en)

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