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Individual
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Individual
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Priority to ES0221583UpriorityCriticalpatent/ES221583U/en
Publication of ES221583UpublicationCriticalpatent/ES221583U/en
Specific Sealing Or Ventilating Devices For Doors And Windows
(AREA)
Abstract
Framework for the placement of ventilation grids, essentially characterized by that parallel and internally, by two of its opposite walls run, with slight separation, second walls, of lower height, joined to them by the bottom and both ends; these second walls have their faces facing each other, at least two semi-spherical prominences, aligned with each other; it being provided that the frame forming the grid also disposes in two of its opposite walls through holes that correspond to the prominences, already described, of the intermediate walls of the frame, and in which they are introduced at the moment of coupling the grid to the frame. (Machine-translation by Google Translate, not legally binding)
ES0221583U1976-06-081976-06-08Frame for the placement of ventilation grilles (Machine-translation by Google Translate, not legally binding)
PendingES221583U
(en)