FR1030101A - Perfectionnement au filetage de tire-fond - Google Patents

Perfectionnement au filetage de tire-fond

Info

Publication number
FR1030101A
FR1030101A FR1030101DA FR1030101A FR 1030101 A FR1030101 A FR 1030101A FR 1030101D A FR1030101D A FR 1030101DA FR 1030101 A FR1030101 A FR 1030101A
Authority
FR
France
Prior art keywords
development
screw threads
lag screw
lag
threads
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
Jean-Antoine Brogiotti
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 filed Critical
Application granted granted Critical
Publication of FR1030101A publication Critical patent/FR1030101A/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
    • E01B9/00—Fastening rails on sleepers, or the like
    • E01B9/02—Fastening rails, tie-plates, or chairs directly on sleepers or foundations; Means therefor
    • E01B9/04—Fastening on wooden or concrete sleepers or on masonry without clamp members
    • E01B9/10—Screws or bolts for sleepers

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
FR1030101D 1950-12-26 1950-12-26 Perfectionnement au filetage de tire-fond Expired FR1030101A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR1030101T 1950-12-26

Publications (1)

Publication Number Publication Date
FR1030101A true FR1030101A (fr) 1953-06-10

Family

ID=9582279

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1030101D Expired FR1030101A (fr) 1950-12-26 1950-12-26 Perfectionnement au filetage de tire-fond

Country Status (1)

Country Link
FR (1) FR1030101A (fr)

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