Double twist thread twisting frame

In a double twist thread twisting frame having a plurality of double twist spindles each of which is surrounded by a balloon limiter having an upper rim thereon and has at its lower part a storage disc and a whorl driven by a belt spaced below said storage disc, upper and lower closure wall means above and below, respectively, said balloon limiter and extending over the whole width and length of said frame, and on both sides of said frame, side wall means are arranged outside said balloon limiter and connected to said upper and lower closure wall means, channel means defined by said upper, lower and side wall means being in communication with said double twist spindles and the interior of said balloon limiters and having a suction device connected thereto, the improvement comprising wherein said upper closure wall means is arranged generally at the level of said upper rim of said balloon limiter and has in the region of each balloon limiter a coaxial circular opening therein, the diameter of said circular opening being somewhat smaller than the part of the balloon limiter located therebeneath, and wherein there is provided on said balloon limiter in the region below said upper closure wall means a suction opening communicating with said channel means, and wherein above each balloon limiter there is provided blower nozzle means connected to a tube that extends in the longitudinal direction of the frame for supplying conditioned air to said circular opening in said balloon limiter.