Device for the unión by appearance of supply elements of the puntal type with heads, jacenas or segments of the underground enlargement of galleries (Machine-translation by Google Translate, not legally binding)

摘要

Device for the clamping of support elements of the strut type with heads, girders or segments of the underground shoring of galleries, consisting of clamping fasteners fixed at the head ends of the supporting elements and intended to catch the wing that has the heads, girders or shoring segments, characterized in that the clamping fasteners are formed by angular wings welded to the supporting elements and protruding beyond the head sides, as well as by hook screws passing through holes made in the angular wings and that can be tightened in the direction of the angular wings. (Machine-translation by Google Translate, not legally binding)