Patent ID: 7374250

Claim:
A rim for mounting tubeless tires for bicycles, motorcycles and mopeds, constituted by a profiled element which is curved in a circular fashion and is symmetrical with respect to a centerline plane, comprising: an inner annular seat adapted to receive and retain a tubeless type tire so as to form a pressure chamber; an outer annular seat provided with receptacles for nipples associated with spoke ends; an annular partition which divides said inner and outer seats and which is provided with openings arranged opposite the nipples, said openings being each provided with an edge surrounded by a pendent surface forming a respective undercut that protrudes into said outer annular seat; and closure elements that engage in said openings in order to hermetically separate said outer annular seat from said inner annular seat, said closure elements consisting of sealing plugs, each of which comprises a cylindrical head and a shank that has a cylindrical surface with sealing means formed therebetween, said sealing means being constituted by corresponding helical threads provided on the surface of said shank and, respectively, on the pendent surface forming said undercut, each one of said sealing plugs being adapted to detachably engage in a respective one of said undercuts and hermetically close the respective opening by way of mutual engagement of said corresponding helical threads.