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Priority to ES1979247639UpriorityCriticalpatent/ES247639Y/en
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Publication of ES247639YpublicationCriticalpatent/ES247639Y/en
Improved coupling essentially characterized in that it is made up of two identical metal flanges facing each other at a certain distance, each of which has a regularly-oriform outer collar, whose holes receive the threaded ends of studs that are secured with nuts, also presenting the flanges internal angled recesses on which are supported joints that contact the outer surfaces of the tubes to be connected, said joints presenting angular recesses, in a circle, in which the ends, also formed at an angle, of a cap are housed metallic that controls the distance between flanges and consequently between the pipe ends. (Machine-translation by Google Translate, not legally binding)
Improvements in the construction of evaporators heated with water for liquefied gases of low point of ebullición. (Machine-translation by Google Translate, not legally binding)