The Manufacture of Chocolate and other Cacao PreparationsZipperer, Paul
Science
The Manufacture of Chocolate and other Cacao Preparations
Zipperer, Paul
Cacao; Chocolate; Cocoa
The bed-plate as well as all the working parts of the machine are
constructed of stout copper. The working parts admit of being raised
or lowered by means of the hand-wheel above, and they remain fixed
whilst the bed-plate turns and its underside is played upon by water.
The machine is capable of working up pure fondant without any syrup
addition, as well as that made up with syrup. The boiled sugar is
poured on the bed-plate of the fondant machine, cooled down from 10-20
minutes according to the syrup content, and to such an extent that the
machine can be set in motion, whilst the working parts are gradually
lowered to the previously mentioned bed-plate. The sugar poured out
is then cooled by means of the action of a ventilator fitted on a
crossbeam, occurring in the middle of the wooden cooler, and working
in conjunction with the ventilator, in consequence whereof a cooling
current of air is brought to strike the hot sugar centrally.—When pure
sugar is used, the fondant is finished within six minutes, but in the
case of a syrup addition the time required is lengthened.
[Illustration: Fig. 71.]
A quite recent type of fondant machine is given in fig. 71. It achieves
its end by employing an air-current and a cylinder with screw, which is
provided with water cooling apparatus. The _modus operandi_ presents
many and obvious advantages, chief among which is the possibility of
conducting new material to the machine uninterruptedly, and further the
preservation of the flavour of the chocolate worked up. The result is
a production of first-class quality in respect to taste and flavour,
which is quite ready to be passed on to the next processes.
[Illustration: Fig. 72.]
The fondant is then diluted with colouring matter in boiling pans,
and so prepared for subsequent treatment. The figures which have to
be poured in are then transferred to gypsum moulds, lined with starch
powder, and the fondant sugar is in its turn poured over these either
by means of pans held in the hand or such as are machine-driven.
Hand-pouring postulates a considerable amount of skill on the part of
the man in charge, especially when even weights of the separate pieces
are required. We annex an illustration of a motor-driven depositing
machine (fig. 72).
The sugar is here introduced into receivers heated by means of a
water-bath. The receiving boxes are moved under the outflow one
after another, after having been dusted with powder and filled with
chocolate, whilst the adjustment of the weight of each separate piece
is effected by the operation of a very ingenious mechanism, even from
0-8 grammes.
[Illustration: Fig. 73.]
After a stay of several hours in the drying room, the molten figures
are so hard that they can be raised out of the powder with the aid of
a shovel. Fig. 73 shows such a machine, whilst Fig. 74 illustrates a
machine where the work goes on unbrokenly, and from which the chocolate
figures are removed with a shovel.
Public-domain text, read in full here on John Shaqi.
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