GB845976A - A support bar for underground workings - Google Patents

A support bar for underground workings

Info

Publication number
GB845976A
GB845976A GB18471/59A GB1847159A GB845976A GB 845976 A GB845976 A GB 845976A GB 18471/59 A GB18471/59 A GB 18471/59A GB 1847159 A GB1847159 A GB 1847159A GB 845976 A GB845976 A GB 845976A
Authority
GB
United Kingdom
Prior art keywords
pivot
bar
aperture
vanwersch
apertures
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
GB18471/59A
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.)
PETER VANWERCSH
Original Assignee
PETER VANWERCSH
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
Priority claimed from DEV14483A external-priority patent/DE1198310B/de
Application filed by PETER VANWERCSH filed Critical PETER VANWERCSH
Publication of GB845976A publication Critical patent/GB845976A/en
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
    • E21D17/02—Cantilever extension or similar protecting devices
    • E21D17/08—Cap joints for obtaining a coal-face free of pit-props
    • E21D17/086—Cap joints for obtaining a coal-face free of pit-props or articulated type

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)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Conveying And Assembling Of Building Elements In Situ (AREA)
  • Fittings On The Vehicle Exterior For Carrying Loads, And Devices For Holding Or Mounting Articles (AREA)
GB18471/59A 1958-05-30 1959-05-29 A support bar for underground workings Expired GB845976A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DEV14483A DE1198310B (de) 1958-05-30 1958-05-30 Ausbaukappe fuer den Grubenbetrieb
DEV14768A DE1224252B (de) 1958-05-30 1958-07-25 Ausbaukappe

Publications (1)

Publication Number Publication Date
GB845976A true GB845976A (en) 1960-08-24

Family

ID=26001295

Family Applications (1)

Application Number Title Priority Date Filing Date
GB18471/59A Expired GB845976A (en) 1958-05-30 1959-05-29 A support bar for underground workings

Country Status (5)

Country Link
US (1) US3091088A (fr)
BE (1) BE579173A (fr)
DE (1) DE1224252B (fr)
FR (1) FR1230085A (fr)
GB (1) GB845976A (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2175292A (en) * 1985-05-14 1986-11-26 Elkem Metals A method for producing a product of a metal and a non-metal and the product produced therefrom

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1140890B (de) * 1960-06-11 1962-12-13 Karl Maria Groetschel Dipl Ing Vorpfaendkappe, insbesondere Vorpfaendwendekappe

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL80173C (fr) *
GB722202A (en) * 1951-11-13 1955-01-19 Josef Brand Improvements in lagging members for mine galleries and the like
GB774109A (en) * 1953-04-21 1957-05-08 Eisenwerk Wanheim Gmbh Improvements in or relating to mine roof support assemblies
AT199149B (de) * 1954-01-29 1958-08-11 Karl Maria Dipl Ing Groetschel Verbindung für Schaleisen für den Grubenausbau

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2175292A (en) * 1985-05-14 1986-11-26 Elkem Metals A method for producing a product of a metal and a non-metal and the product produced therefrom

Also Published As

Publication number Publication date
BE579173A (fr)
US3091088A (en) 1963-05-28
DE1224252B (de) 1966-09-08
FR1230085A (fr) 1960-09-13

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