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LIZARZA INDA
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LIZARZA INDA
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Application filed by LIZARZA INDAfiledCriticalLIZARZA INDA
Priority to ES337964ApriorityCriticalpatent/ES337964A1/en
Publication of ES337964A1publicationCriticalpatent/ES337964A1/en
Improvements in the formation of the frame of the semi-trailers, characterized by the use of two parallel spars equal to each other with longitudinal profile of solid of equal strength and with a straight section in double "T" or another of equivalent resistance conditions; said stringers are along lengthways perforated with some uniformity by small rectangular windows rather close to the upper wing of the beam and which are just enough for the passage of transverse ribs also preferably with a double "T" straight section, and stringers and ribs are joined to each other in each window by two plates in square welded around its perimeter on both sides. (Machine-translation by Google Translate, not legally binding)
ES337964A1967-03-131967-03-13Improvements in the formation of the semi-trailer frame. (Machine-translation by Google Translate, not legally binding)
ExpiredES337964A1
(en)
Device for clamping two parts lying coaxially one inside the other, with at least one ring-shaped clamping element of essentially Z-shaped or Y-shaped cross-section, which consists of resilient-elastic material