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
GB20417/56A
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.)
JOSEF KLEINER
SIEGFRIED LUBINA
Original Assignee
JOSEF KLEINER
SIEGFRIED LUBINA
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 JOSEF KLEINER, SIEGFRIED LUBINAfiledCriticalJOSEF KLEINER
Publication of GB836598ApublicationCriticalpatent/GB836598A/en
E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
E21D5/00—Lining shafts; Linings therefor
E21D5/06—Lining shafts; Linings therefor with iron or steel
Landscapes
Engineering & Computer Science
(AREA)
Mining & Mineral Resources
(AREA)
Mechanical Engineering
(AREA)
Life Sciences & Earth Sciences
(AREA)
General Life Sciences & Earth Sciences
(AREA)
Geochemistry & Mineralogy
(AREA)
Geology
(AREA)
Devices Affording Protection Of Roads Or Walls For Sound Insulation
(AREA)
Abstract
836,598. Linings for boreholes. LUBINA, S., and KLEINER, J. July 2, 1956 [June 30, 1955], No. 20417/56. Class 85 A shaft support system comprises a number of steel sections 1 which are interconnected to form a helix the convolutions of which are connected together by members 3. The sections 1 are secured to the rock by bolts 2 and may be shaped as shown or made of reinforced concrete or steel tube filled with concrete.
GB20417/56A1955-06-301956-07-02An improved helical support for main or blind shafts
ExpiredGB836598A
(en)