ES219358U - Perfected provision of anchoring of screws applicable to travies of railroad. (Machine-translation by Google Translate, not legally binding)
- Google Patents
Perfected provision of anchoring of screws applicable to travies of railroad. (Machine-translation by Google Translate, not legally binding)
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Indame S A
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Indame S A
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Priority to ES1976219358UpriorityCriticalpatent/ES219358Y/en
Publication of ES219358UpublicationCriticalpatent/ES219358U/en
Application grantedgrantedCritical
Publication of ES219358YpublicationCriticalpatent/ES219358Y/en
Improved screw anchoring arrangement applicable to railway sleepers, characterized in that in the blind hole made in the threaded passage of the rail fastening screw, a tubular insert made of highly resistant resin that has been formed between said hole and is embedded. The screw with the solidification of the resin, which tubular element internally has a thread that has been notched therein by the screw thread itself at the same time.that the same tubular element is intimately attached to the wall of the hole all of so that said tubular element is constituting a nut, inside the hole of the crossbar, in which the screw will then be screwed to be fixed to the rail, and in which said screw will be protected against corrosión. (Machine-translation by Google Translate, not legally binding)
Improved procedure for joining or securing both of two or more objects by means of screws (Machine-translation by Google Translate, not legally binding)