The Manufacture of Tomato Products: Including whole tomato pulp or puree, tomato catsup, chili sauce, tomato soup, trimming pulpHier, W. G. (Wayland Gladstone)
Science
The Manufacture of Tomato Products: Including whole tomato pulp or puree, tomato catsup, chili sauce, tomato soup, trimming pulp
Hier, W. G. (Wayland Gladstone)
Tomato products
The Bureau of Chemistry advises very strongly against the practice of
having the women who do the inspecting do the trimming also. They
contend that inspecting and trimming should be two distinct and separate
operations and each should be done by a different set of women. By this
method the women on the sorting belt merely pick out all the tomatoes
which are imperfect and throw them into receiving boxes which are
attached to the framework of the sorting belt by a bracket, there being
about four of these boxes to a table—two on each side. One or two women
stand at each receiving box, pick out the defective tomatoes from this
box, and trim out the bad part, which is dropped into a chute, which
directs the material down to a drain underneath the table through which
is flowing the waste water from the rotary washer. This stream, properly
placed, has sufficient current to carry away the waste matter. The
trimmer throws the good part of the tomato back on to the sorting belt.
By using this system there is no lugging of boxes or buckets back and
forth from the sorting table.
This method, which is the one approved by the Bureau of Chemistry,
accomplishes the work more thoroughly than can be done if the inspecting
and trimming are all done on the sorting belt by the same set of women.
The minimum cost of sorting and trimming in this manner is from 2 to 3
cents per bushel, according to the government figures.
If the women on the sorting belt are to be used for both inspecting and
trimming, a longer belt should be used than if inspecting alone is to be
done. About 2 feet of belt should be allowed to each sorter.
Tomato Turning Device
[Illustration:
Fig. 1.—Tomato turning device on sorting belt.
]
There is another feature which helps greatly in sorting, and that is a
tomato turning device, which is illustrated in Figure 1. This device
turns a very large percentage of the tomatoes if they are fed to the
belt properly, that is, if they are spread out evenly and are not too
thick on the belt. The turning device allows them to be inspected from
all angles, and is described in Bulletin 569 of the U.S. Department of
Agriculture as follows:
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