ES258053A2 - Improvements in the inger keys in pipes with pressure water (Machine-translation by Google Translate, not legally binding)
- Google Patents
Improvements in the inger keys in pipes with pressure water (Machine-translation by Google Translate, not legally binding)
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BENITO Y S R C Cia
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BENITO Y S R C Cia
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Priority to ES0258053ApriorityCriticalpatent/ES258053A2/en
Publication of ES258053A2publicationCriticalpatent/ES258053A2/en
Improvements in the object of the main patent 209527, characterized in that with the graft key it adopts a circular cylindrical shape with an internal throttling, perforated with a circular hole, in which it is susceptible to sit the sealing valve, equipped with a flat elastic lining, whose tang thread and primed on the thread of a plug piece that is inserted, by threaded, into the upper neck of the body of the key that, for this purpose, narrows and decreases in diameter, by threading in this stopper piece a determinant press cap of hermetically sealed, said pin coming out to the outside where it ends in a square for driving, the cylindrical body having a lower outlet mouth with external threading and, laterally, a mouth with internal threading. (Machine-translation by Google Translate, not legally binding)
ES0258053A1960-05-131960-05-13Improvements in the inger keys in pipes with pressure water (Machine-translation by Google Translate, not legally binding)
ExpiredES258053A2
(en)