GB191423736A - Improvements in and relating to Supports for Mine Roofs. - Google Patents

Improvements in and relating to Supports for Mine Roofs.

Info

Publication number
GB191423736A
GB191423736A GB191423736DA GB191423736A GB 191423736 A GB191423736 A GB 191423736A GB 191423736D A GB191423736D A GB 191423736DA GB 191423736 A GB191423736 A GB 191423736A
Authority
GB
United Kingdom
Prior art keywords
relating
supports
mine roofs
plate
mine
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
Inventor
Axel Fredrik Ericsson
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Application granted granted Critical
Publication of GB191423736A publication Critical patent/GB191423736A/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
    • E21D11/18—Arch members ; Network made of arch members ; Ring elements; Polygon elements; Polygon elements inside arches
    • E21D11/20—Special cross- sections, e.g. corrugated
    • E—FIXED CONSTRUCTIONS
    • E21—EARTH DRILLING; MINING
    • E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
    • E21D17/00—Caps for supporting mine roofs
    • E21D17/01—Caps for supporting mine roofs characterised by the shape of the cap, e.g. of specified cross-section

Abstract

23,736. Ericsson, A. F. Sept. 15. Shoring, strutting, and underpinning. - A support for mine roofs comprises a metal bar or plate a formed with two or more corrugations b bearing upon the prop d. Figs. 1 and 2 show two forms of plate. The ends of the plates may be flattened.
GB191423736D 1914-09-15 1914-09-15 Improvements in and relating to Supports for Mine Roofs. Expired GB191423736A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB191423736T 1914-09-15

Publications (1)

Publication Number Publication Date
GB191423736A true GB191423736A (en) 1915-05-20

Family

ID=32673188

Family Applications (1)

Application Number Title Priority Date Filing Date
GB191423736D Expired GB191423736A (en) 1914-09-15 1914-09-15 Improvements in and relating to Supports for Mine Roofs.

Country Status (1)

Country Link
GB (1) GB191423736A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2509786A1 (en) * 1981-07-14 1983-01-21 Bochumer Eisen Heintzmann ELEMENT FOR THE SUPPORT OF UNDERGROUND GALLERIES

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2509786A1 (en) * 1981-07-14 1983-01-21 Bochumer Eisen Heintzmann ELEMENT FOR THE SUPPORT OF UNDERGROUND GALLERIES
DE3127812A1 (en) * 1981-07-14 1983-02-03 Bochumer Eisenhütte Heintzmann GmbH & Co KG, 4630 Bochum REMOVAL ELEMENT FOR UNDERGROUND RAIL REMOVAL
US4465404A (en) * 1981-07-14 1984-08-14 Bochumer Eisenhuette Heintzmann Gmbh & Co Kg Wall element for an underground gallery

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