Method for winding the fibres of exchange devices, such as blood

Liquid purification or separation – Casing divided by membrane into sections having inlet – Each section having inlet

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21032179, 21032183, 21032188, 2104971, 242 702, 242 721, 422 48, B01D 6310, B01D 6908

Patent

active

049523120

ABSTRACT:
The fibre (3) is wound in several layers at a variable winding pitch so that the angle winding (.alpha.) is kept substantially constant. The length wound in each layer and the angle at which the various layers cross each other thus remain substantially constant.
The winding pitch (p) is variable according to the equation:

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patent: 4660779 (1987-04-01), Nemesi et al.
patent: 4824566 (1989-04-01), Thibos
patent: 4838970 (1989-06-01), Thibos

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