FR750999A - Perfectionnements aux étancons métalliques servant au soutènement - Google Patents

Perfectionnements aux étancons métalliques servant au soutènement

Info

Publication number
FR750999A
FR750999A FR750999DA FR750999A FR 750999 A FR750999 A FR 750999A FR 750999D A FR750999D A FR 750999DA FR 750999 A FR750999 A FR 750999A
Authority
FR
France
Prior art keywords
support
metal stanchions
stanchions used
metal
stanchions
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)
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.)
CIE DES FORGES DE CHATILLON CO
Original Assignee
CIE DES FORGES DE CHATILLON 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 CIE DES FORGES DE CHATILLON CO filed Critical CIE DES FORGES DE CHATILLON CO
Application granted granted Critical
Publication of FR750999A publication Critical patent/FR750999A/fr
Expired legal-status Critical Current

Links

Classifications

    • E—FIXED CONSTRUCTIONS
    • E21—EARTH OR ROCK DRILLING; MINING
    • E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
    • E21D15/00—Props; Chocks, e.g. made of flexible containers filled with backfilling material
    • E21D15/02—Non-telescopic props

Landscapes

  • Engineering & Computer Science (AREA)
  • Mining & Mineral Resources (AREA)
  • Mechanical Engineering (AREA)
  • Structural Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Geology (AREA)
FR750999D 1932-05-21 1932-05-21 Perfectionnements aux étancons métalliques servant au soutènement Expired FR750999A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR750999T 1932-05-21

Publications (1)

Publication Number Publication Date
FR750999A true FR750999A (fr) 1933-08-24

Family

ID=9153318

Family Applications (1)

Application Number Title Priority Date Filing Date
FR750999D Expired FR750999A (fr) 1932-05-21 1932-05-21 Perfectionnements aux étancons métalliques servant au soutènement

Country Status (1)

Country Link
FR (1) FR750999A (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE903563C (de) * 1941-04-26 1954-02-08 Hans Joachim Von Hippel Dr Ing Gebirgsdruck anzeigende Grubenstempel usw.

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE903563C (de) * 1941-04-26 1954-02-08 Hans Joachim Von Hippel Dr Ing Gebirgsdruck anzeigende Grubenstempel usw.

Similar Documents

Publication Publication Date Title
FR736520A (fr) Compositions métalliques
FR752676A (fr) Perfectionnements aux daviers
FR750999A (fr) Perfectionnements aux étancons métalliques servant au soutènement
FR764985A (fr) Perfectionnements aux moulures
FR734456A (fr) Perfectionnements aux miroirs
FR42196E (fr) Plomb avec agrafe démontable pour la pêche
FR740857A (fr) Perfectionnements aux coussinets
FR756446A (fr) Perfectionnements aux dash-pots
FR758812A (fr) Perfectionnements apporté aux pipes
FR738706A (fr) Perfectionnements apportés aux pipes
CH160195A (de) Einspannvorrichtung für Schneeschuhe.
FR730248A (fr) échantillonneur
FR733506A (fr) Perfectionnements aux séchoirs
FR729710A (fr) Perfectionnements aux bennes automatiques
FR42187E (fr) Perfectionnements apportés aux crémones
FR763199A (fr) Perfectionnements aux voies ferrées
FR734587A (fr) Perfectionnements apportés aux bouchons métalliques
FR764292A (fr) Perfectionnements aux convertisseurs électroioniques
FR757392A (fr) Perfectionnements apportés aux alliages
FR761264A (fr) Perfectionnements aux trémies
FR760233A (fr) Perfectionnements aux trémies
FR749285A (fr) Perfectionnements aux miroirs
FR747301A (fr) Perfectionnements aux carburateus
FR760464A (fr) Pylône métallique
FR732960A (fr) Perfectionnements apportés aux réflecteurs