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Individual
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Individual
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Priority to ES1977228848UpriorityCriticalpatent/ES228848Y/en
Publication of ES228848UpublicationCriticalpatent/ES228848U/en
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Publication of ES228848YpublicationCriticalpatent/ES228848Y/en
Irrecoverable strut for frames, of the type composed of an extra-slim single-layer body and of small thickness and disposable materials that are absorbed by the construction itself and which is characterized by being constituted by vertical struts that have a height that reaches or slightly exceeds the head of the frame according to its location, which is fixed by each side and against the anchors of said frame by lag screws and which is stiffened according to wedges intercalated at the foot of the props, against the ground, or above and below a supplement mounted on the center of the aforementioned head making pressure against the ceiling. (Machine-translation by Google Translate, not legally binding)
ES1977228848U1977-05-301977-05-30
IRRECUPERABLE STRUT FOR FRAMES.
ExpiredES228848Y
(en)
Improved process for obtaining the protective effect of an air curtain between two spaces when there are changes in the pressure difference between these two spaces