Plastic article or earthenware shaping or treating: apparatus – With foraminous or absorbent means for removal of vehicle or...
Patent
1983-10-13
1986-04-08
Hoag, Willard E.
Plastic article or earthenware shaping or treating: apparatus
With foraminous or absorbent means for removal of vehicle or...
99458, 210498, 249141, B29C 100, A01J 2513, A01J 2511
Patent
active
045809615
DESCRIPTION:
BRIEF SUMMARY
The invention concerns a cheese mould consisting of an elongate pipe with a substantially constant cross-section to receive a cheese mass in the form of cheese particles and whey, the wall of the mould being provided with a plurality of slits for drainage of liquid when the mould is essentially vertically disposed.
The latter transport of liquid concerns in particular drainage of the whey from the cheese mass, but may also take place during salting of the cheese as the cheese mould is immersed in a brine.
A cheese mould of the present type is known e.g. from German Patent Specification No. 929 945 showing a cheese mould with a plurality of vertical slits. When a cheese mould has stood for some time after having been filled with cheese mass, so much whey will have escaped that the particles of cheese begin gathering to form a coherent elastic mass, and then the cheese mould is usually inverted. Normally, the mould is inverted several times before the cheese is removed from the mould and/or is placed in a brine. It was believed in the past that these slits should preferably extend longitudinally of the cheese mould in order for the above-mentioned operations to be performed satisfactorily, i.e. for the cheese mass to be movable in the longitudinal direction of the mould and be readily removable from it, which is e.g. not the case with moulds having a large number of holes, as is known e.g. from Danish Patent Specification No. 90378.
The object of the invention is to provide a cheese mould which involves a surprising improvement over the prior art, with respect to the discharge of the whey as well as with respect to the tendency of the mould to release the cheese.
This object is achieved by arranging grooves or slits formed in side walls of the mold so that they extend transverse with respect to the longitudinal direction of the mold. Each slit has a width smaller than the size of the cheese particles, and the predominant part of the bottom of the slits forming the mold extension is closed. When the cheese mass sets in the mould and whey penetrate into the grooves, cheese particles are pressed a distance into the grooves, and it might be expected that the cheese particles protruding into the grooves would prevent the cheese mass from sliding downwards in the mould upon invertion of it. However, the stated slit width is sufficiently small for the elasticity and weight of the cheese, when hanging at the top of the inverted mould, to cause the protruding particles to be drawn clear of the slits, provided the friction is sufficiently small. The slit shape according to the invention involves a sufficiently small friction because the predominantly closed slits ensure a moist atmosphere so that the protruding cheese portions maintain a relatively wet and thus smooth surface. The horizontal or approximately horizontal slits cause the whey to run off relatively slowly so that residue of whey may be present in the slits after the mould has been inverted, and such residue serves as a lubricant to reduce friction.
Cheese particles having worked themselves a short distance into the slits are therefore easily drawn clear when the cheese mould is inverted, and the cheese mass is therefore effectively displaced transversely to the slits. This provides a very uniform discharge of the whey, and the constant movement of the surface of the cheese mass into and out of the slits imparts a very smooth surface to the cheese and causes the mould to release the cheese very easily. To bring about the abovementioned advantages as well as a good rind formation the distance between adjacent slits is about 2 to 5 times greater than the slit width.
An embodiment of the cheese mould of the invention may be provided by the provision in the inside of walls forming the cheese mould of a large number of parallel slits, which extend from the inner surface of the mould a distance into the wall of the mould and communicate with a plurality of longitudinal drainage channels in the outer surface of the mould walls. However, the mould of the invention
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Hoag Willard E.
Mejeriselskabet Danmark A.m.b.A.
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