ES177292U - Fixing element perfected for its introduction in masonry or analog. (Machine-translation by Google Translate, not legally binding)
- Google Patents
Fixing element perfected for its introduction in masonry or analog. (Machine-translation by Google Translate, not legally binding)
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Publication of ES177292YpublicationCriticalpatent/ES177292Y/en
Fixing element perfected for its introduction in mamposferias or analogous; even in concrete, which are conically widened at their front end and provided with chamfers for the formation of the edge of a drill bit, being able to force, entering it through the rear end of the fixing element, a dilatable sleeve on the conical widening charact. The fastening element is provided with grooves which, from the chamfers, are screwed helically around said element toward the rear end thereof. (Machine-translation by Google Translate, not legally binding)
ES1969177292U1969-12-151969-12-15
PERFECTED FIXING ELEMENT FOR INTRODUCTION IN MASONRY OR ANALOGUE.
ExpiredES177292Y
(en)
Improvements in the systems for fixing solid frames of doors or similar wooden construction parts (Machine-translation by Google Translate, not legally binding)