Patent ID: 7255372

Claim:
A device for connection with relative and controlled sealing between a pipe ( 1 ) and a ceramic tube ( 7 ) comprising: a cylindrical chamber ( 5 ) that is attached in a sealed manner to said pipe, whereby one end of the ceramic tube is placed inside said chamber, a seal comprising at least two sets of sealing fixtures ( 3 , 3 ′) placed in the annular space between the ceramic tube and the chamber, a crosspiece ( 4 ) interposed between the two sets of sealing fixtures ( 3 , 3 ′), a flange ( 6 ) for applying longitudinal pressure to a compression ring in the form of a flange ( 6 ) for compressing the sealing fixtures ( 3 , 3 ′), the compression ring ( 4 ′) applying longitudinal pressure to one set of sealing fixtures ( 3 ′) which compress against the crosspiece ( 4 ), the crosspiece ( 4 ) applying longitudinal pressure against the other set of sealing fixtures ( 3 ) that compress with respect to the housing ( 5 ), and an injector arrangement ( 8 ) for injection of a fluid between the two sets of sealing fixtures ( 3 , 3 ′) so as to apply a pressure differential that is determined on each of the fixtures ( 3 , 3 ′).