FR868634A - étançon de mine en fer - Google Patents

étançon de mine en fer

Info

Publication number
FR868634A
FR868634A FR868634DA FR868634A FR 868634 A FR868634 A FR 868634A FR 868634D A FR868634D A FR 868634DA FR 868634 A FR868634 A FR 868634A
Authority
FR
France
Prior art keywords
iron mine
mine prop
prop
iron
mine
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
Karl Gerlach
Georg Bachmann
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Application granted granted Critical
Publication of FR868634A publication Critical patent/FR868634A/fr
Expired legal-status Critical Current

Links

Classifications

    • E—FIXED CONSTRUCTIONS
    • E21—EARTH DRILLING; MINING
    • E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
    • E21D15/00—Props; Chocks, e.g. made of flexible containers filled with backfilling material
    • E21D15/50—Component parts or details of props
    • E21D15/56—Details of locks of telescopic props
    • E—FIXED CONSTRUCTIONS
    • E21—EARTH DRILLING; MINING
    • E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
    • E21D15/00—Props; Chocks, e.g. made of flexible containers filled with backfilling material
    • E21D15/14—Telescopic props
    • E21D15/28—Telescopic props with parts held relatively to each other by friction or gripping
    • E21D15/285—Telescopic props with parts held relatively to each other by friction or gripping by means of wedges or wedge combinations
    • E—FIXED CONSTRUCTIONS
    • E21—EARTH DRILLING; MINING
    • E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
    • E21D15/00—Props; Chocks, e.g. made of flexible containers filled with backfilling material
    • E21D15/50—Component parts or details of props
    • E21D15/502—Prop bodies characterised by their shape, e.g. of specified cross-section
FR868634D 1939-10-26 1940-12-30 étançon de mine en fer Expired FR868634A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DEG14215D DE967431C (de) 1939-10-26 1939-10-26 Eiserner Grubenstempel

Publications (1)

Publication Number Publication Date
FR868634A true FR868634A (fr) 1942-01-09

Family

ID=7120180

Family Applications (1)

Application Number Title Priority Date Filing Date
FR868634D Expired FR868634A (fr) 1939-10-26 1940-12-30 étançon de mine en fer

Country Status (3)

Country Link
BE (1) BE439593A (fr)
DE (1) DE967431C (fr)
FR (1) FR868634A (fr)

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE740768C (de) * 1942-04-10 1943-10-28 Bernhard Ruehl Nachgiebiger Grubenstempel
DE922763C (de) * 1943-10-05 1955-01-24 F W Moll Soehne Nachgiebiges Ausbauglied, insbesondere Grubenstempel
DE1019266B (de) * 1956-03-16 1957-11-14 Hermann Schwarz Kommanditgesel Zweiteiliger Grubenstempel mit rohrfoermigem Innenteil
DE972849C (de) * 1950-09-09 1959-10-08 Le Progres Charbonnier Prochar Grubenstempel
DE976548C (de) * 1943-09-25 1963-11-07 Karl Maria Dipl-Ing Groetschel Kappe fuer den Grubenausbau, vorzugsweise fuer den Strebausbau
DE977131C (de) * 1948-10-02 1965-04-01 Rheinstahl Wanheim G M B H Verstellbarer nachgiebiger Grubenstempel
DE977568C (de) * 1955-09-27 1967-03-16 Bochumer Eisen Heintzmann Nachgiebiger Grubenstempel, insbesondere fuer die steile Lagerung

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE975699C (de) * 1950-03-16 1962-05-30 Niederlaendischer Staat Nachgiebiger metallener Grubenstempel
DE977408C (de) * 1951-02-24 1966-05-26 Karl Gerlach Grubenstempel
GB2120156B (en) * 1982-04-28 1986-02-12 Swan Plant Sales Limited Rotary-percussive drill assembly

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE247235C (fr) *
DE602695C (de) * 1932-08-27 1934-09-21 Otto Dietrich Rohrleitungsbau Verstellbarer, nachgiebiger, eiserner Grubenstempel

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE740768C (de) * 1942-04-10 1943-10-28 Bernhard Ruehl Nachgiebiger Grubenstempel
DE976548C (de) * 1943-09-25 1963-11-07 Karl Maria Dipl-Ing Groetschel Kappe fuer den Grubenausbau, vorzugsweise fuer den Strebausbau
DE922763C (de) * 1943-10-05 1955-01-24 F W Moll Soehne Nachgiebiges Ausbauglied, insbesondere Grubenstempel
DE977131C (de) * 1948-10-02 1965-04-01 Rheinstahl Wanheim G M B H Verstellbarer nachgiebiger Grubenstempel
DE972849C (de) * 1950-09-09 1959-10-08 Le Progres Charbonnier Prochar Grubenstempel
DE977568C (de) * 1955-09-27 1967-03-16 Bochumer Eisen Heintzmann Nachgiebiger Grubenstempel, insbesondere fuer die steile Lagerung
DE1019266B (de) * 1956-03-16 1957-11-14 Hermann Schwarz Kommanditgesel Zweiteiliger Grubenstempel mit rohrfoermigem Innenteil

Also Published As

Publication number Publication date
BE439593A (fr) 1940-11-30
DE967431C (de) 1957-11-14

Similar Documents

Publication Publication Date Title
FR806590A (fr) étançon pour mine
FR868634A (fr) étançon de mine en fer
FR867141A (fr) Perfectionnements aux électros aimants
FR825109A (fr) étançon de mine
FR883942A (fr) Poteau de mine en fer
FR864831A (fr) Projectile perfectionné
FR862449A (fr) Mine aérienne perfectionnée
FR874528A (fr) étai de fer pour mines
FR874765A (fr) Poteau de mine en fer
FR864113A (fr) Douille en fer pour projectile
FR859922A (fr) Projectile
FR851738A (fr) Toiture
FR49666E (fr) étançon de mine souple
FR858244A (fr) Poteau de mine compressible
FR801821A (fr) étançon de mine
FR866962A (fr) Mine anti-chars
FR46924E (fr) étançon de mines
FR50799E (fr) Effondreur de mines
FR864112A (fr) Projectile
FR821104A (fr) Bloc-notes
FR863219A (fr) Gabarit
FR846894A (fr) étançon de mine souple
FR866925A (fr) Mine dérivante
FR873730A (fr) étai en fer pour galeries de mine
FR833248A (fr) Mine sous-marine