Publisher's Synopsis
Excerpt from Large Scale Experiments on the Processing of Japanese Persimmons: With Notes on the Preparation of Dried Persimmon
It is recognized, however, that some changes would be desirable if tanks for processing persimmons were to be made in quantity. In such a design the rms of the tanks and covers should be made of cast iron hinged together and fitted with eyebolts and slots. The adja cent surfaces should be planed and a solid rubber gasket used. The design shown in figure 1 does not require special castings.
In processing persimmons these tanks are filled with the fruit, which may be packed, if desired, in the standard six-basket carriers, and may or may not be wrapped. The cover is clamped in position, and the box tested for tightness by use of the water gauge (e). It should be entirely free from leaks on the bottom or Sides, and so tight that the rate of equalization of small differences in pressure, indi cated by the gauge, is slow. Carbon dioxid is then passed in through the lower stopcock, while the displaced air ?ows out at the upper stopcock on the opposite side. The water gauge is useful here in guarding against too high pressures, which might easily cause per manent distortion in shape, or bursting. The ?ow of carbon dioxid is continued until the stream of displaced air tastes strongly of car bon dioxid. After such a taste is noted, the ?ow is continued for a few minutes longer; the stopcocks are then closed and the box left undisturbed for the time required in processing.
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