GB1002038A - Base plates for pit props - Google Patents

Base plates for pit props

Info

Publication number
GB1002038A
GB1002038A GB3142161A GB3142161A GB1002038A GB 1002038 A GB1002038 A GB 1002038A GB 3142161 A GB3142161 A GB 3142161A GB 3142161 A GB3142161 A GB 3142161A GB 1002038 A GB1002038 A GB 1002038A
Authority
GB
United Kingdom
Prior art keywords
prop
strap
base plates
plate
pit props
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
GB3142161A
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.)
GUENTHER WILHEIM HAMMER
Original Assignee
GUENTHER WILHEIM HAMMER
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 GUENTHER WILHEIM HAMMER filed Critical GUENTHER WILHEIM HAMMER
Publication of GB1002038A publication Critical patent/GB1002038A/en
Expired legal-status Critical Current

Links

Classifications

    • 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
    • E21D15/50—Component parts or details of props
    • E21D15/54—Details of the ends of props

Landscapes

  • Engineering & Computer Science (AREA)
  • Mining & Mineral Resources (AREA)
  • Mechanical Engineering (AREA)
  • Structural Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Geology (AREA)
  • Suspension Of Electric Lines Or Cables (AREA)
  • Emergency Lowering Means (AREA)

Abstract

1,002,038. Base plates for pit props. G. W. HAMMER. Aug. 31, 1961 [Sept. 22, 1960; June 7, 1961], No. 31421/61. Heading E1E. A prop 2 is pivotally connected by means of a bolted strip 3 to a plate 5 which is hinged to a strap 7 secured to the base plate 1 of the prop, the arrangement being such that the prop 2 can tilt in the direction of the coal face. The strap 3 may consist of a U-shaped member secured to a T-piece the leg of which constitutes a fork-like member for attachment to the hinged plate in the shape of the strap components being selected according to the cross-section of the prop employed for examples of which Figs. 2- -8 (not shown) should be referred to.
GB3142161A 1960-09-22 1961-08-31 Base plates for pit props Expired GB1002038A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DEH0040491 1960-09-22
DEH0042795 1961-06-07

Publications (1)

Publication Number Publication Date
GB1002038A true GB1002038A (en) 1965-08-18

Family

ID=25979687

Family Applications (1)

Application Number Title Priority Date Filing Date
GB3142161A Expired GB1002038A (en) 1960-09-22 1961-08-31 Base plates for pit props

Country Status (1)

Country Link
GB (1) GB1002038A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3535071A (en) * 1967-04-03 1970-10-20 Raymond Bore Mine props

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3535071A (en) * 1967-04-03 1970-10-20 Raymond Bore Mine props

Similar Documents

Publication Publication Date Title
GB1000929A (en) Improvements in or relating to support devices
GB1107379A (en) Improvements in or relating to pivotally supported members particularly of mine roof supports
GB1002038A (en) Base plates for pit props
GB1069905A (en) Improvements relating to roof supports for mine workings
GB830342A (en) Improvements in mine gallery-supporting systems
AU254241B2 (en) Bearing members for rock bolts
AU1039261A (en) Bearing members for rock bolts
GB865922A (en) Mine roof supports
GB1001562A (en) Fluid-pressure loading attachment for mine roof bars and mine roof support assemblies provided therewith
GB966304A (en) Improved travelling shoring-up equipment
GB900508A (en) Improvements in or relating to pit props and roof supporting systems comprising the same
GB955843A (en) Roof supporting device suitable for use in mines
GB990413A (en) Roof supports suitable for use in mines
CA573804A (en) Wear plate assembly for jaw crusher
GB1206114A (en) Roof support suitable for use in mines
FR1280020A (en) Articulated assembly for mine frames, especially for trapezoidal frames
GB977194A (en) Improvements in or relating to hydraulic chocks
CA618343A (en) Mine roof bolt
GB704296A (en) Improvements in or relating to metal props for mines and the like
ES61479U (en) Tool bar (Machine-translation by Google Translate, not legally binding)
GB1081685A (en) Mine roof support equipment for use in conjunction with power stowing
GB942221A (en) Improvements in and relating to mine roof supporting structures
CA600226A (en) Coal mining machine
AU236441B2 (en) Saddle block for power shovel
CA599912A (en) Roof supports for mine workings