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Priority to ES8801464UpriorityCriticalpatent/ES1008129Y/en
Publication of ES1008129UpublicationCriticalpatent/ES1008129U/en
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Publication of ES1008129YpublicationCriticalpatent/ES1008129Y/en
Expansion joint improved, the type which consist of a hollow body of flexible material, such as rubber, neoprene or similar to adopt a form central parallel with focused bucle convexo outward and ends by way flange that essentially is defined for inside hollow loop available a hoop filling elástico occupied such hollow and fits the same in the body of the board is strengthened and collect such hoop filling it is spongy, besides providing a longitudinal bore for the whole board, which in position is perfectly board unassembled cylindrical straight generatrix. (Machine-translation by Google Translate, not legally binding)