Patent ID: 7946627
Filing Date: 2011-05-24
Classification: F16L,Y10T

Abstract:
1. A female element comprising: a hollow internal body having a first end and a second end, said first end being provided with fastening means for fastening to a pipe to be joined another to pipe; a hollow external body coaxial with said hollow internal body and having a protruding end that axially protrudes with respect to the second end of said hollow internal body, the second end of said hollow internal body being opposite with respect to the first end of said hollow internal body; a rigid central stem coaxially supported by said hollow internal body by means of a transversal perforated base, said rigid central stem having a widened end near the protruding end of said hollow external body; an axially sliding sealing bush coaxially arranged about said rigid central stem and elastically stressed to be engaged with the widened end of said rigid central stem to prevent fluid from passing within the female element; a cleaning bush coaxially arranged about said axially sliding sealing bush and axially stressed in position so as to prevent dirt from entering about said axially sliding sealing bush; and a lock sleeve arranged about the protruding end of said hollow external body and engageable with a complementary end of a male element to ensure a stable union of the female element with the male element, wherein said rigid central stem is fixed to said transversal perforated base by means of at least one half bush that is radially fitted and axially locked in corresponding seats of said rigid central stem and said transversal perforated base.