FR1146469A - Perfectionnements aux machines d'abatage - Google Patents

Perfectionnements aux machines d'abatage

Info

Publication number
FR1146469A
FR1146469A FR1146469DA FR1146469A FR 1146469 A FR1146469 A FR 1146469A FR 1146469D A FR1146469D A FR 1146469DA FR 1146469 A FR1146469 A FR 1146469A
Authority
FR
France
Prior art keywords
felling machines
felling
machines
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)
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.)
ANDERSON
Anderson Boyes and Co Ltd
Original Assignee
ANDERSON
Anderson Boyes 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 ANDERSON, Anderson Boyes and Co Ltd filed Critical ANDERSON
Application granted granted Critical
Publication of FR1146469A publication Critical patent/FR1146469A/fr
Expired legal-status Critical Current

Links

Classifications

    • E—FIXED CONSTRUCTIONS
    • E21—EARTH OR ROCK DRILLING; MINING
    • E21C—MINING OR QUARRYING
    • E21C25/00—Cutting machines, i.e. for making slits approximately parallel or perpendicular to the seam
    • E21C25/06—Machines slitting solely by one or more cutting rods or cutting drums which rotate, move through the seam, and may or may not reciprocate

Landscapes

  • Engineering & Computer Science (AREA)
  • Mining & Mineral Resources (AREA)
  • Mechanical Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Geology (AREA)
  • Earth Drilling (AREA)
FR1146469D 1954-02-12 1956-04-09 Perfectionnements aux machines d'abatage Expired FR1146469A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB417754A GB755241A (en) 1954-02-12 1954-02-12 Improvements in mining machines

Publications (1)

Publication Number Publication Date
FR1146469A true FR1146469A (fr) 1957-11-12

Family

ID=9772163

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1146469D Expired FR1146469A (fr) 1954-02-12 1956-04-09 Perfectionnements aux machines d'abatage

Country Status (3)

Country Link
BE (1) BE546937A (cs)
FR (1) FR1146469A (cs)
GB (1) GB755241A (cs)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1193902B (de) * 1959-11-17 1965-06-03 Lorraine Houilleres Einrichtung und Verfahren zur voll-mechanischen Hereingewinnung und Foerderung von Kohle aus Floezen in der steilen Lagerung
DE1172629B (de) * 1960-05-07 1964-06-25 Eisen Giesserei M B H Schraemkopf, insbesondere fuer Walzen-schraemmaschinen
DE1131622B (de) * 1960-06-10 1962-06-20 Eickhoff Geb Verfahren zum Hereingewinnen und Laden von Kohle in beiden Strebrichtungen mittels einer auf einem Strebfoerdermittel verfahrbaren Walzenschraemmaschine und Walzenschraemmaschine zur Ausuebung dieses Verfahrens
DE1186431B (de) * 1960-12-31 1965-02-04 Eickhoff Geb Elektromotor fuer Schraemmaschinen des Untertagebergbaues

Also Published As

Publication number Publication date
GB755241A (en) 1956-08-22
BE546937A (cs)

Similar Documents

Publication Publication Date Title
FR1121823A (fr) Perfectionnements apportés aux broyeurs-pulvérisateurs
FR1124969A (fr) Perfectionnements aux vérins
FR1116850A (fr) Perfectionnements aux scies
FR1130493A (fr) Perfectionnements aux machines-outils
FR1108308A (fr) Machine planteuse
FR67346E (fr) Perfectionnements aux boudineuses
FR1146469A (fr) Perfectionnements aux machines d'abatage
FR1113499A (fr) Perfectionnements aux boudineuses
FR1122084A (fr) Perfectionnements relatifs aux copolymères
FR1101282A (fr) Perfectionnements apportés aux leurres
FR1115727A (fr) Perfectionnements aux rétinographes
FR1168894A (fr) Perfectionnements aux machines d'étirage
FR1115791A (fr) Perfectionnements aux mécanismes d'embrayage
FR1101053A (fr) Perfectionnements aux valets d'établi
FR1138871A (fr) Perfectionnements aux transistrons
FR1104450A (fr) Perfectionnements apportés aux emballages
FR1104488A (fr) Perfectionnements aux distributeurs d'engrais
FR66442E (fr) Perfectionnements aux butées des machines-outils
FR1111452A (fr) Perfectionnements aux containers
FR1119984A (fr) Perfectionnements aux mercaptoalkanesulfonates
FR1127026A (fr) Perfectionnements aux turbo-propulseurs
FR1104220A (fr) Perfectionnements aux malaxeurs-mélangeurs
FR1098679A (fr) Perfectionnements aux blondins
FR1107850A (fr) Perfectionnements apportés aux désinfectants
FR1109697A (fr) Perfectionnements aux planteuses