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Structures Of Non-Positive Displacement Pumps
(AREA)
Abstract
Improved fitting for air pumps that is characterized by being formed by a tubular body in flexible material molded on two tubular metal parts located at its ends, one of which is completely embedded in the tubular piece and is provided with a cut in thread by inside and outside with uneven surface, and the other part is partially embedded in the other end, presenting the part that is inside with irregularized exterior surface and the outside that is completely threaded by its exterior. (Machine-translation by Google Translate, not legally binding)
ES0066554U1958-05-241958-05-24
Improved fitting for air pumps
ExpiredES66554Y
(en)