Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Individual
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Individual
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Application filed by IndividualfiledCriticalIndividual
Priority to ES301101ApriorityCriticalpatent/ES301101A2/en
Publication of ES301101A2publicationCriticalpatent/ES301101A2/en
Improvements introduced in the object of the Main Patent No. 299,544 for "Improved system of splicing of pressure pipes", characterized in that, within the fundamental principles claimed in said Main Patent, to make a seal and joint between two pieces of pipe and a sleeve preferably of the same material by means of an elastic ring that is lengthened by the action of a metal ring embedded in its medium thickness and embedded in recesses either from the inner plane of the sleeve or from the outer plane of the mouth of the tube, details of structure so that the elastic ring is provided with sealing flaps that suffer a tightening against the walls of the sleeve and the mouth of the tube, between which it is introduced, the greater the greater the internal pressure of the pipe. (Machine-translation by Google Translate, not legally binding)
ES301101A1964-06-161964-06-16Perfected system of pressure pipe joint (Machine-translation by Google Translate, not legally binding)
ExpiredES301101A2
(en)
Improvements in the proportional hydraulic closure quick gasket systems for concrete pipe. (Machine-translation by Google Translate, not legally binding)
Improvements introduced in the manufacture of fuel closures for joint and similar joints (Machine-translation by Google Translate, not legally binding)