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Priority to ES1970158230UpriorityCriticalpatent/ES158230Y/en
Publication of ES158230UpublicationCriticalpatent/ES158230U/en
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Publication of ES158230YpublicationCriticalpatent/ES158230Y/en
Improved temporary greenhouse, of the type comprising a structure of right feet that support crossbeams on which stringers are placed forming a roof framework on which a sheet of plastic material is placed and fixed, the hanging of which to the ground determine the side walls of the greenhouse, tensioned the same by the fact that each of the stringers is a metal profile in "U" that crosses perpendicularly on two or more tubular crossbeams of the structure, each of which is fixed by means of a flange of unión consisting of a fork provided with thread at the ends of its branches, between which the body of the tubular crosspiece is coupled, crossing said branches through the holes that presents a support consisting of a piece of square or rectangular tube on which rests the central area of a "U" stringer or the ends of two stringers arranged in prolongation that, for this, carry rea the corresponding holes that allow the fork branches to pass through, which coincide with those of a pressure plate, in order to allow all of them to be passed from bottom to top by the branches of the aforementioned fork, in whose threads terminals are fitted with nuts that ensure the assembly and that make, the tubular crosspiece embraced by the repeated fork, is tightly tightened by the assembly of the joint clamp. (Machine-translation by Google Translate, not legally binding)