Hopper and combination weigher using hopper
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United States of America Patent
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Oct 4, 2016
Grant Date -
Nov 7, 2013
app pub date -
Oct 27, 2010
filing date -
Oct 27, 2010
priority date (Note) -
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Abstract
A hopper in a combination weigher comprises a tubular hopper body having an upper opening and a lower opening and being fed with the objects forming the combination, through the upper opening, and a discharge gate which opens and closes the lower opening of the hopper body; wherein the hopper body includes a tubular body having four or more side walls connected together in an annular shape, the tubular body having a horizontal cross section having convex regions; and wherein the hopper body has a shape in which at a boundary portion between adjacent side walls of all pairs, an angle which is formed between a first virtual plane contacting one of the adjacent side walls and a second virtual plane contacting the other side wall, is equal to or greater than 90 degrees.
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