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Priority to ES1975214947UpriorityCriticalpatent/ES214947Y/en
Publication of ES214947UpublicationCriticalpatent/ES214947U/en
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Publication of ES214947YpublicationCriticalpatent/ES214947Y/en
Hermetic joint for roofing, which being of the type used in combination with a screw or threaded hook to fasten covers, generally corrugated, to beams or trusses, counting such covers with holes for passage of such screws or hooks, around the which and above the cover is located the joint, which is composed of a rigid part and another elastic, drilled both axially with holes of different radius, essentially characterized in that the rigid part is embedded in a shell of elastic plastic nature, which has a considerable thickness due to its lower concave area, with respect to that which it has on the upper convex part. (Machine-translation by Google Translate, not legally binding)
ES1975214947U1975-09-051975-09-05
HERMETIC JOINT FOR ROOFS.
ExpiredES214947Y
(en)
FLAT STRUCTURE OF WATER VAPOR AND WATERPROOFING AT THE SAME, CONSTITUTED WITH NATURAL OR SYNTHETIC RUBBER OR A RUBBER-LIKE POLYMER, AND PROCESS FOR ITS PRODUCTION
Opening cover on roofs, roofs and the like, in particular openings provided with ladders, stairs and similar installations (Machine-translation by Google Translate, not legally binding)