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.)
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.)
Bochumer Eisenhuette Heintzmann GmbH and Co KG
Original Assignee
Bochumer Eisenhuette Heintzmann GmbH and Co KG
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 Bochumer Eisenhuette Heintzmann GmbH and Co KGfiledCriticalBochumer Eisenhuette Heintzmann GmbH and Co KG
Priority to ES478158ApriorityCriticalpatent/ES478158A3/en
Publication of ES478158A3publicationCriticalpatent/ES478158A3/en
A shoring unit in the manner of a trestle shield, having two shoring frames movable on both sides of a guide linkage with a support displaced in the longitudinal direction of the gallery by means of a push piston unit articulated with it, provided in each case with a floor sled and a roof cap supported by struts, characterized in that the floor sill of each shoring frame is connected through a thrust piston unit with the guide linkage and the two piston units of push can be fed indenepently to each other. (Machine-translation by Google Translate, not legally binding)
ES478158A1979-02-281979-02-28An unit of entibation in a way of shield or of horse. (Machine-translation by Google Translate, not legally binding)
ExpiredES478158A3
(en)