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Priority to ES103217UpriorityCriticalpatent/ES103217Y/en
Publication of ES103217UpublicationCriticalpatent/ES103217U/en
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Publication of ES103217YpublicationCriticalpatent/ES103217Y/en
Intermediate support for expansive fixing characterized essentially by the fact that it consists of a cylindrical bushing with parallel bases comprising, in one of them, a coaxial prolongation with a smaller diameter recess whose prolongation is provided with cuts in the form of an acute angle to determine bands of expansion operatively arranged to reduce the internal diameter when they are housed in the hole of the piece to be fixed and admit progressive expansion when introducing through the cap the thyme suitable for fixing without the thyme operating on the piece retained by said expansion . (Machine-translation by Google Translate, not legally binding)
ES103217U1963-12-191963-12-19
Intermediate support for expansive fixation
ExpiredES103217Y
(en)