PERFECTIONNEMENTS AUX PURIFICATEURS DES GRUAUX ET DE LA FARINE

IMPROVEMENTS IN MIDDLINGS AND FLOUR PURIFIERS

Revendications

Claim 1st The wind spout N1,. placed above the screens C, in combination with the feeding spout T, or hopper 0, arranged so as to cause a blast to pass through the middlings before it reaches the screens C. 2nd The wind spouts N1, placed between the return boards H, and screens C, above the latter arranged so as to cause a blast to pass through tho middlings while falling from the return boards H, to the screens C, below. 3rd A vibrating shoe B, containing two or more screens C, in combination with the suction fan L. 4th A vibrating shoe B. oontaining two or more screens C, in combination with the blast fan K, and suction fan L. 5th Covering the exterior mouth of the blast fan K, with bolting cloth or any suitable material that will admit air to the fan, but will prevent any dust passing through. 6th The combination with the bottom of the vibrating shoe of two or more way spoutt R1, with a hinge valve r, for the purpose of distributing the different grades of middlings purified by the maohine to separate bins. 7th The combination of the knockers I. and the strips with studs J, and J, activated by the motion of the vibrating shoe B. 8th The wind-chamber N, and wind spouts N1,N2,N3, in oombination with the suction fan L. 9th The wind chamber N, and wind spouts N1, N2, N3, in combination with the blast fan K, and motion fan L.