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Publication of BE710132ApublicationCriticalpatent/BE710132A/fr
B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
B66C1/00—Load-engaging elements or devices attached to lifting or lowering gear of cranes or adapted for connection therewith for transmitting lifting forces to articles or groups of articles
B66C1/02—Load-engaging elements or devices attached to lifting or lowering gear of cranes or adapted for connection therewith for transmitting lifting forces to articles or groups of articles by suction means
B66C1/0293—Single lifting units; Only one suction cup
Bouclier de creusement, notamment pour le creusement avec un front d'abattage blinde par la pression du terrain, comprenant une vis transporteuse sans fin pour l'evacuation des terres.