ES226664A1 - Improvements in the construction of travies for railways and analogs (Machine-translation by Google Translate, not legally binding)
- Google Patents
Improvements in the construction of travies for railways and analogs (Machine-translation by Google Translate, not legally binding)
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Improvements in the construction of sleepers for railways and similar, characterized in that when making their concrete body are left, in their lateral parts, two channels arranged longitudinally in the form of an arc, finished on either side in frustoconical cavities; whose channels house steel tension bars, threaded at their ends, and the washer cavities, through which they support, at the bottom of the cavities, nuts that are placed at the ends of the bars; the tensioning of these is carried out by means of suitable elements, once the concrete has set. (Machine-translation by Google Translate, not legally binding)
ES226664A1956-02-111956-02-11Improvements in the construction of travies for railways and analogs (Machine-translation by Google Translate, not legally binding)
ExpiredES226664A1
(en)