FR74341E - Retaining profiles - Google Patents

Retaining profiles

Info

Publication number
FR74341E
FR74341E FR777958A FR777958A FR74341E FR 74341 E FR74341 E FR 74341E FR 777958 A FR777958 A FR 777958A FR 777958 A FR777958 A FR 777958A FR 74341 E FR74341 E FR 74341E
Authority
FR
France
Prior art keywords
retaining profiles
profiles
retaining
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
FR777958A
Other languages
French (fr)
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.)
& Rech S Ind & Scient Et
Original Assignee
& Rech S Ind & Scient Et
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 & Rech S Ind & Scient Et filed Critical & Rech S Ind & Scient Et
Priority to FR777958A priority Critical patent/FR74341E/en
Application granted granted Critical
Publication of FR74341E publication Critical patent/FR74341E/en
Expired legal-status Critical Current

Links

Classifications

    • E—FIXED CONSTRUCTIONS
    • E21—EARTH OR ROCK DRILLING; MINING
    • E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
    • E21D11/00—Lining tunnels, galleries or other underground cavities, e.g. large underground chambers; Linings therefor; Making such linings in situ, e.g. by assembling
    • E21D11/14—Lining predominantly with metal
    • E21D11/18—Arch members ; Network made of arch members ; Ring elements; Polygon elements; Polygon elements inside arches
    • E21D11/20—Special cross- sections, e.g. corrugated

Landscapes

  • Engineering & Computer Science (AREA)
  • Mining & Mineral Resources (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Geology (AREA)
FR777958A 1958-10-30 1958-10-30 Retaining profiles Expired FR74341E (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR777958A FR74341E (en) 1958-10-30 1958-10-30 Retaining profiles

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR777958A FR74341E (en) 1958-10-30 1958-10-30 Retaining profiles

Publications (1)

Publication Number Publication Date
FR74341E true FR74341E (en) 1960-11-07

Family

ID=8707892

Family Applications (1)

Application Number Title Priority Date Filing Date
FR777958A Expired FR74341E (en) 1958-10-30 1958-10-30 Retaining profiles

Country Status (1)

Country Link
FR (1) FR74341E (en)

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