GB333936A - Improvements in or relating to pit props and other shoring, strutting or underpinning devices for use in mines or the like - Google Patents

Improvements in or relating to pit props and other shoring, strutting or underpinning devices for use in mines or the like

Info

Publication number
GB333936A
GB333936A GB1599329A GB1599329A GB333936A GB 333936 A GB333936 A GB 333936A GB 1599329 A GB1599329 A GB 1599329A GB 1599329 A GB1599329 A GB 1599329A GB 333936 A GB333936 A GB 333936A
Authority
GB
United Kingdom
Prior art keywords
shoring
strutting
mines
relating
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
GB1599329A
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.)
JOHN RICHARD BOND
Original Assignee
JOHN RICHARD BOND
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 JOHN RICHARD BOND filed Critical JOHN RICHARD BOND
Priority to GB1599329A priority Critical patent/GB333936A/en
Publication of GB333936A publication Critical patent/GB333936A/en
Expired legal-status Critical Current

Links

Classifications

    • E—FIXED CONSTRUCTIONS
    • E21—EARTH DRILLING; MINING
    • E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
    • E21D11/00—Lining tunnels, galleries or other underground cavities, e.g. large underground chambers; Linings therefor; Making such linings in situ, e.g. by assembling
    • E21D11/14—Lining predominantly with metal
    • E21D11/30—Bases for lower arch members

Abstract

333,936. Wood, H. N., and Bond, J. R. May 23, 1929. Mine props. - A foot-rest for a prop comprises a large flat portion b and an upstanding socket portion c having a square or rectangular - section opening therein to receive the foot of the sectional-metal prop. The socket portion may be detachably secured to the flat portion by means of a projection on it and undercut grooves f in the flat portion. A drainage hole a<1> may be provided at the base of the socket portion.
GB1599329A 1929-05-23 1929-05-23 Improvements in or relating to pit props and other shoring, strutting or underpinning devices for use in mines or the like Expired GB333936A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB1599329A GB333936A (en) 1929-05-23 1929-05-23 Improvements in or relating to pit props and other shoring, strutting or underpinning devices for use in mines or the like

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB1599329A GB333936A (en) 1929-05-23 1929-05-23 Improvements in or relating to pit props and other shoring, strutting or underpinning devices for use in mines or the like

Publications (1)

Publication Number Publication Date
GB333936A true GB333936A (en) 1930-08-25

Family

ID=10069258

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1599329A Expired GB333936A (en) 1929-05-23 1929-05-23 Improvements in or relating to pit props and other shoring, strutting or underpinning devices for use in mines or the like

Country Status (1)

Country Link
GB (1) GB333936A (en)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2987290A (en) * 1956-12-03 1961-06-06 Haarmann Arnold Prop arrangement for mines
DE1131624B (en) * 1956-02-01 1962-06-20 Wilhelm Hammer Base plate for expansion segments in mining operations
DE2645285A1 (en) * 1975-10-09 1977-04-14 Kubota Ltd SUPPORT STRUCTURE FOR TUNNEL WALLS
CN113339016A (en) * 2021-06-08 2021-09-03 中交一公局集团有限公司 Device for controlling connection accuracy and primary support flatness of upper and lower steel plates in tunnel

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1131624B (en) * 1956-02-01 1962-06-20 Wilhelm Hammer Base plate for expansion segments in mining operations
US2987290A (en) * 1956-12-03 1961-06-06 Haarmann Arnold Prop arrangement for mines
DE2645285A1 (en) * 1975-10-09 1977-04-14 Kubota Ltd SUPPORT STRUCTURE FOR TUNNEL WALLS
CN113339016A (en) * 2021-06-08 2021-09-03 中交一公局集团有限公司 Device for controlling connection accuracy and primary support flatness of upper and lower steel plates in tunnel

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