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Individual
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Individual
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Priority to ES0073010UpriorityCriticalpatent/ES73010U/en
Publication of ES73010UpublicationCriticalpatent/ES73010U/en
Insertable threaded bushing for bodies of plastic material, characterized essentially by being formed by a cylinder-tubular metal part, provided internally and externally with helicoidal threads and provided, at least, on one of its ends with recesses in suitable number, having the internal thread, which is of the normal type, to receive the appropriate screw, while the external rock, which is quite deep and with arched edges, is intended to be immobilized, without shearing, within the corresponding plastic mass, in so much so that the recesses mentioned above provide the bushing with a spring effect which causes an interlocking in the surrounding material that avoids any rotation to the repeated bushing before the torsional stresses caused by the aforementioned screw both in the threading and in the unscrewing. (Machine-translation by Google Translate, not legally binding)
ES0073010U1959-04-031959-04-03Threaded bushing for plastic bodies (Machine-translation by Google Translate, not legally binding)
PendingES73010U
(en)