GB1042035A - Improvements in and relating to pivot pins for mine roof bars and to bars incorporating such pins - Google Patents

Improvements in and relating to pivot pins for mine roof bars and to bars incorporating such pins

Info

Publication number
GB1042035A
GB1042035A GB2355163A GB2355163A GB1042035A GB 1042035 A GB1042035 A GB 1042035A GB 2355163 A GB2355163 A GB 2355163A GB 2355163 A GB2355163 A GB 2355163A GB 1042035 A GB1042035 A GB 1042035A
Authority
GB
United Kingdom
Prior art keywords
bars
pins
mine roof
relating
incorporating
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
GB2355163A
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 Sterkrade AG
Original Assignee
Gutehoffnungshutte Sterkrade 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 Sterkrade AG filed Critical Gutehoffnungshutte Sterkrade AG
Publication of GB1042035A publication Critical patent/GB1042035A/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
    • E—FIXED CONSTRUCTIONS
    • E21—EARTH OR ROCK 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
    • E21D15/43—Details of wedges

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)
  • Mechanical Engineering (AREA)
  • Structural Engineering (AREA)
  • Furnace Charging Or Discharging (AREA)
  • Pivots And Pivotal Connections (AREA)
GB2355163A 1962-06-15 1963-06-13 Improvements in and relating to pivot pins for mine roof bars and to bars incorporating such pins Expired GB1042035A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DEG35212A DE1189939B (de) 1962-06-15 1962-06-15 Gelenkverbindung fuer Grubenausbaukappen

Publications (1)

Publication Number Publication Date
GB1042035A true GB1042035A (en) 1966-09-07

Family

ID=7125116

Family Applications (1)

Application Number Title Priority Date Filing Date
GB2355163A Expired GB1042035A (en) 1962-06-15 1963-06-13 Improvements in and relating to pivot pins for mine roof bars and to bars incorporating such pins

Country Status (4)

Country Link
BE (1) BE633553A (enrdf_load_stackoverflow)
DE (1) DE1189939B (enrdf_load_stackoverflow)
GB (1) GB1042035A (enrdf_load_stackoverflow)
NL (1) NL294003A (enrdf_load_stackoverflow)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2195072A (en) * 1986-09-11 1988-03-30 Terence Nolan A framework for a fishfarming enclosure

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE499766A (enrdf_load_stackoverflow) * 1948-07-08
DE1775607U (de) * 1956-03-28 1958-10-16 August Kloenne Gelenkige kappenverbindung.
NL264085A (enrdf_load_stackoverflow) 1960-07-07

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2195072A (en) * 1986-09-11 1988-03-30 Terence Nolan A framework for a fishfarming enclosure
GB2195072B (en) * 1986-09-11 1990-05-02 Terence Nolan A framework for a fishfarming enclosure

Also Published As

Publication number Publication date
NL294003A (enrdf_load_stackoverflow)
DE1189939B (de) 1965-04-01
BE633553A (enrdf_load_stackoverflow)

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