GB757983A - An improved holder for a cap shoe on caps or roof members for mining - Google Patents

An improved holder for a cap shoe on caps or roof members for mining

Info

Publication number
GB757983A
GB757983A GB1022852A GB1022852A GB757983A GB 757983 A GB757983 A GB 757983A GB 1022852 A GB1022852 A GB 1022852A GB 1022852 A GB1022852 A GB 1022852A GB 757983 A GB757983 A GB 757983A
Authority
GB
United Kingdom
Prior art keywords
shoe
bar
mining
caps
roof members
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
GB1022852A
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.)
Gutehoffnungshutte Oberhausen AG
Original Assignee
Gutehoffnungshutte Oberhausen AG
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 Gutehoffnungshutte Oberhausen AG filed Critical Gutehoffnungshutte Oberhausen AG
Publication of GB757983A publication Critical patent/GB757983A/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)
  • Fittings On The Vehicle Exterior For Carrying Loads, And Devices For Holding Or Mounting Articles (AREA)
  • Sowing (AREA)
GB1022852A 1951-04-24 1952-04-23 An improved holder for a cap shoe on caps or roof members for mining Expired GB757983A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DEG0005756 1951-04-24

Publications (1)

Publication Number Publication Date
GB757983A true GB757983A (en) 1956-09-26

Family

ID=25947731

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1022852A Expired GB757983A (en) 1951-04-24 1952-04-23 An improved holder for a cap shoe on caps or roof members for mining

Country Status (4)

Country Link
BE (1) BE510750A (US07655746-20100202-C00011.png)
DE (1) DE900686C (US07655746-20100202-C00011.png)
FR (2) FR1050708A (US07655746-20100202-C00011.png)
GB (1) GB757983A (US07655746-20100202-C00011.png)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1082866B (de) * 1955-11-11 1960-06-09 Hermann Lutz Dr Ing Vorpfaendverfahren fuer Kurzkappen

Also Published As

Publication number Publication date
DE900686C (de) 1954-01-04
FR1050708A (fr) 1954-01-11
BE510750A (US07655746-20100202-C00011.png)
FR63676E (fr) 1955-09-30

Similar Documents

Publication Publication Date Title
FR1222640A (fr) Perfectionnements apportés aux dispositifs de soutènement de toits de mine, ou de souterrains ou analogues, comportant au moins un boulon d'ancrage
GB757983A (en) An improved holder for a cap shoe on caps or roof members for mining
GB1124665A (en) Improvements in or relating to mine roof supports
GB738819A (en) Improvements in and relating to the fixing of roof-supporting bars in coal mining
GB779791A (en) Improvements relating to end caps for pit-props
GB966304A (en) Improved travelling shoring-up equipment
GB722352A (en) Progressive mine adit timbering
GB1170494A (en) Improvements in or relating to Anthraquinone Dyestuffs
CA477535A (en) Locking, threading assemblies
GB770741A (en) Improvements in connecting means for caps used in mining
GB962840A (en) Slide bar heads for mine roof supports
GB924372A (en) Improvements in or relating to roof support elements for mines
FR1032813A (fr) Perfectionnements apportés aux treuils, notamment à ceux pour chantiers de mines
FR1068362A (fr) Serrure d'étançon de mine
GB679882A (en) Improvements in lagging structures for mines
CA471664A (en) 2(4,4'bis dimethylaminobenzohydryl) 5 dimethylaminobenzoic acid
AU154015B2 (en) Type-bar typewriter with inclined segment
GB1081685A (en) Mine roof support equipment for use in conjunction with power stowing
CA476044A (en) N,n'-alkylenecyanine dyes
GB1129006A (en) Process for the dehydrogenation of methylbutenes to isoprene
GB700195A (en) Improved shackle
GB981430A (en) Coal plough
GB907055A (en) Improvements in or relating to mine roof supports
CA602348A (en) Rock piercing blowpipe
AU392851A (en) Type-bar typewriter with inclined segment