Foods and beverages: apparatus – Mechanical – fluid or heat treatment of dairy food – With isolation of a watery constituent
Patent
1994-10-26
1998-05-12
Alexander, Reginald L.
Foods and beverages: apparatus
Mechanical, fluid or heat treatment of dairy food
With isolation of a watery constituent
99456, A01J 2500
Patent
active
057492875
ABSTRACT:
The invention relates to a drainage pipe with perforations for draining whey from a whey/curd mass, in which the perforations are formed by small holes, and the hole size lies within the range 0.05-3 mm, while the hole density lies within the range 5-50,000 holes/cm.sup.2. Such a pipe is used in the preparation of cheese. In a drainage pipe which is provided with a large number of small holes, a larger part of the surface can be perforated, with the result that the drainage is more efficient. A natural counterpressure can be built up by varying the hole size and the hole density over the surface of the pipe, thus making expensive facilities for regulating the counterpressure unnecessary. The hole size and/or hole density can be varied in such a way over the surface of the pipe that the open surface increases from top to bottom. Various grid patterns are described for this. If the pipe is made of plastic, the full circumference of the pipe can be provided with holes, with the result that the full surface of the pipe is available for drainage. The invention also relates to a device which is provided with at least one drainage pipe of the type according to the invention and to methods for manufacturing such a drainage pipe.
REFERENCES:
patent: 3982480 (1976-09-01), Kamphuis
patent: 4244286 (1981-01-01), Rust
patent: 4568554 (1986-02-01), Derode
patent: 4811658 (1989-03-01), Brandsema et al.
patent: 4960044 (1990-10-01), Yntema
patent: 4976980 (1990-12-01), Yntema
Alexander Reginald L.
Tebel--MKT B.V.
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