FR325396A - Bouclier pour la construction des souterrains - Google Patents

Bouclier pour la construction des souterrains

Info

Publication number
FR325396A
FR325396A FR325396DA FR325396A FR 325396 A FR325396 A FR 325396A FR 325396D A FR325396D A FR 325396DA FR 325396 A FR325396 A FR 325396A
Authority
FR
France
Prior art keywords
shield
underground construction
underground
construction
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
Amiot Jean-Emile-Alain
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.)
AMIOT JEAN-EMILE-ALAIN
Original Assignee
AMIOT JEAN-EMILE-ALAIN
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 AMIOT JEAN-EMILE-ALAIN filed Critical AMIOT JEAN-EMILE-ALAIN
Application granted granted Critical
Publication of FR325396A publication Critical patent/FR325396A/fr
Expired legal-status Critical Current

Links

Classifications

    • E—FIXED CONSTRUCTIONS
    • E21—EARTH OR ROCK DRILLING; MINING
    • E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
    • E21D19/00—Provisional protective covers for working space
    • E21D19/04—Provisional protective covers for working space for use in drifting galleries

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)
FR325396D 1902-10-18 1902-10-18 Bouclier pour la construction des souterrains Expired FR325396A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR325396T 1902-10-18

Publications (1)

Publication Number Publication Date
FR325396A true FR325396A (fr) 1903-04-28

Family

ID=1375556

Family Applications (1)

Application Number Title Priority Date Filing Date
FR325396D Expired FR325396A (fr) 1902-10-18 1902-10-18 Bouclier pour la construction des souterrains

Country Status (1)

Country Link
FR (1) FR325396A (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3716997A (en) * 1971-05-19 1973-02-20 Rees Ltd W Tunnel boring equipment

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3716997A (en) * 1971-05-19 1973-02-20 Rees Ltd W Tunnel boring equipment

Similar Documents

Publication Publication Date Title
FR328095A (fr) Brillantine minérale
CH23696A (de) Pflugsriester
CH25895A (fr) Blancier pour montres
FR322187A (fr) Excavateur
FR323085A (fr) Cheminée-réflecteur pour lampes
CH26203A (de) Hourdis
CH26154A (de) Stampfapparat
FR324532A (fr) Insensibilisateur pour forets de dentistes
FR326081A (fr) Perfectionnements aux routes
CH26237A (de) Bügeleise
FR324850A (fr) Broyeur de houille
FR323884A (fr) Ascenseur à cable pour montagnes
FR327976A (fr) Réglure pour la musique
FI1684A (fi) Ankare för växelströmsbiur
CH27560A (de) Kohlenbrecher
FI1792A (fi) Bälgpump användbar såsom lubrikator
FI1710A (fi) Sim- och räddningsgördel
FI1688A (fi) Kondensationsvattenavledare
CH25640A (de) Läuterboden
FI1764A (fi) Linjeringsapparat
FI1748A (fi) Förbättrad nitro-cellulosa präparat
CH26171A (fr) Carburatuer-régulateur
FI1787A (fi) Impregneringsförfarande
FI1662A (fi) Oljereningsapparat
FI1707A (fi) Brevlås