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BUSSANO ARTURO
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BUSSANO ARTURO
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Application filed by BUSSANO ARTUROfiledCriticalBUSSANO ARTURO
Priority to ES89217UpriorityCriticalpatent/ES89217Y/en
Publication of ES89217UpublicationCriticalpatent/ES89217U/en
Application grantedgrantedCritical
Publication of ES89217YpublicationCriticalpatent/ES89217Y/en
Elastic ring constituted by a helical spring whose ends are joined to each other, characterized in that it is constituted by a helicoid, cylindrical over most of its length, one end of which has the shape of a conical helicoid whose smaller outer diameter is less than inner diameter of the remaining part of helicoid, so that it can be introduced into the other end of the helicoid and fixed thereon by means of a rotation in the manner of screwing the respective turns. (Machine-translation by Google Translate, not legally binding)
ES89217U1961-10-051961-10-05
Elastic ring consisting of a helical spring
ExpiredES89217Y
(en)
Improvements in the manufacture of wire for its use in the construction of pretensed concrete (Machine-translation by Google Translate, not legally binding)