Spreader for particulate material

B - Operations – Transporting – 05 – C

Patent

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222/10.3

B05C 11/00 (2006.01) A21C 15/00 (2006.01)

Patent

CA 1229827

ABSTRACT Apparatus for intermittently dispensing fragile particulate material, such as sesame seeds through openings in a tube to spread material over an array of horizontally and vertically spaced rows and columns such as upper surfaces of buns in a pan. The dispens- ing apparatus comprises a hopper from which fragile particulate material is dispensed through a dispens- ing tube in which a mandrel driven by a variable speed motor is rotatably disposed. The mandrel has spaced spline teeth formed on its outer surface in dispensing sections separated by blocking collars spaced longitudinally of the mandrel such that rota- tion of the mandrel causes particulate material to be dispensed in parallel columns and such that inter- mittent rotation of the mandrel causes the columns to be divided to form rows. The major diameter of the spline teeth on the mandrel is less than the outside diameter of the blocking collars to provide an arcuate annular dispensing passage between the interval of the dispensing tube and the major diameter of the spline teeth in a range of 1-1/2 to 2 times the diameter of particles of material being dispensed.

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