Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Cristopulos Corina
Original Assignee
Cristopulos Corina
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Cristopulos CorinafiledCriticalCristopulos Corina
Priority to ES1967133815UpriorityCriticalpatent/ES133815Y/en
Publication of ES133815UpublicationCriticalpatent/ES133815U/en
Application grantedgrantedCritical
Publication of ES133815YpublicationCriticalpatent/ES133815Y/en
Improved fixing screw, for incorporation in recessed, expansible and extensible studs in general, characterized by comprising a stepped, gradually progressive device that is organized based on a cylindrical and threaded central area bounded at one end by concentric recess provided with barely pronounced thread, imposed by the smallest diameter of this area, which determines the input sector of the tool, while the threaded end of the central body is organized in tapered thickness without thread, topped by a circular diameter larger diameter, provided as limit stop and that by this same part, it is completed with cylindrical prolongation finalized by the head of the screw. (Machine-translation by Google Translate, not legally binding)