FR420331A - Attache de foreuse pour rail de chemin de fer - Google Patents

Attache de foreuse pour rail de chemin de fer

Info

Publication number
FR420331A
FR420331A FR420331DA FR420331A FR 420331 A FR420331 A FR 420331A FR 420331D A FR420331D A FR 420331DA FR 420331 A FR420331 A FR 420331A
Authority
FR
France
Prior art keywords
railroad
drill attachment
drill
attachment
railroad drill
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
English (en)
Inventor
Clarence Brown Groff
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
Application granted granted Critical
Publication of FR420331A publication Critical patent/FR420331A/fr
Expired legal-status Critical Current

Links

Classifications

    • E—FIXED CONSTRUCTIONS
    • E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
    • E01B—PERMANENT WAY; PERMANENT-WAY TOOLS; MACHINES FOR MAKING RAILWAYS OF ALL KINDS
    • E01B31/00—Working rails, sleepers, baseplates, or the like, in or on the line; Machines, tools, or auxiliary devices specially designed therefor
    • E01B31/02—Working rail or other metal track components on the spot
    • E01B31/06—Making holes, e.g. by drilling, punching, flame-cutting

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
FR420331D 1910-09-12 1910-09-12 Attache de foreuse pour rail de chemin de fer Expired FR420331A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR420331T 1910-09-12

Publications (1)

Publication Number Publication Date
FR420331A true FR420331A (fr) 1911-01-27

Family

ID=1463478

Family Applications (1)

Application Number Title Priority Date Filing Date
FR420331D Expired FR420331A (fr) 1910-09-12 1910-09-12 Attache de foreuse pour rail de chemin de fer

Country Status (1)

Country Link
FR (1) FR420331A (fr)

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