Patent ID: 7390033

Claim:
A pipe connection assembly connecting the flared ends of two pipes comprising: first and second pipes having flared ends defining a cone-shaped flange face on an exterior of each said pipe, each having a rear surface, a spacer which at a first end comprises a first complimentary shape for accommodation of the flange face of said flare at the end of one of said pipes, and at a second end comprises a second complimentary shape for accommodation of the flange face of said flare at the end of the other of said pipes; a nut including an accommodation channel accommodating one pipe and an accommodation aperture; said spacer disposed within said accommodation aperture of said nut with said first complimentary shape thereof in contact with said flange face of the flare of said pipe accommodated by said nut and a screw having an accommodation channel accommodating the other of said pipes, said pipe accommodated by said screw secured to said nut by said screw, with said second complementary shape of said spacer in contact with said flange face of the flare of said pipe accommodated by said screw and said nut defining a stop face extending between said accommodation channel and said accommodation aperture, said stop face including a plurality of projections extending radially and spaced apart circumferentially about said stop face, and engaging said rear surface of said cone shaped flange of said flare of said pipe accommodated by said nut.