FR1292169A - Chapeau pour étançon de mines - Google Patents

Chapeau pour étançon de mines

Info

Publication number
FR1292169A
FR1292169A FR865017A FR865017A FR1292169A FR 1292169 A FR1292169 A FR 1292169A FR 865017 A FR865017 A FR 865017A FR 865017 A FR865017 A FR 865017A FR 1292169 A FR1292169 A FR 1292169A
Authority
FR
France
Prior art keywords
hat
mine prop
prop
mine
prop hat
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
FR865017A
Other languages
English (en)
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.)
N J MUSCHAMP AND Co Ltd
Original Assignee
N J MUSCHAMP AND Co Ltd
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 N J MUSCHAMP AND Co Ltd filed Critical N J MUSCHAMP AND Co Ltd
Priority to FR865017A priority Critical patent/FR1292169A/fr
Application granted granted Critical
Publication of FR1292169A publication Critical patent/FR1292169A/fr
Expired legal-status Critical Current

Links

Classifications

    • E—FIXED CONSTRUCTIONS
    • E21—EARTH OR ROCK DRILLING; MINING
    • E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
    • E21D17/00—Caps for supporting mine roofs
    • E21D17/10—Details of mine caps for engaging the tops of pit-props, with or without retaining-plates; Retaining-plates

Landscapes

  • Engineering & Computer Science (AREA)
  • Mining & Mineral Resources (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Geology (AREA)
FR865017A 1961-06-15 1961-06-15 Chapeau pour étançon de mines Expired FR1292169A (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR865017A FR1292169A (fr) 1961-06-15 1961-06-15 Chapeau pour étançon de mines

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR865017A FR1292169A (fr) 1961-06-15 1961-06-15 Chapeau pour étançon de mines

Publications (1)

Publication Number Publication Date
FR1292169A true FR1292169A (fr) 1962-04-27

Family

ID=8757316

Family Applications (1)

Application Number Title Priority Date Filing Date
FR865017A Expired FR1292169A (fr) 1961-06-15 1961-06-15 Chapeau pour étançon de mines

Country Status (1)

Country Link
FR (1) FR1292169A (fr)

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