Continuous process for the manufacture of tubular food casings
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United States of America Patent
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Dec 21, 1999
Grant Date -
N/A
app pub date -
May 9, 1994
filing date -
Jul 14, 1993
priority date (Note) -
Expired
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Abstract
An improved continuous process for the manufacture of tubular food casings, which allows for the regeneration of casing without an interruption of the process to drive out liquids and gases produced during coagulation and regeneration of the casing, characterized by the steps of: extruding an alkaline viscose solution through an extrusion die within a coagulation bath; coagulating and regenerating the viscose solution thereby producing gases and extruding a tubular casing whereby the gases are entrapped within the casing; inducing a countercurrent flow of gases entrapped within the casing opposite the extrusion direction; and continuously venting the gases through an orifice within the extrusion die. This process permits the non-interrupted extrusion and regeneration of tubular food casings associated with the prior art wherein the process is frequently interrupted to allow exhaustion of liquids and gases.
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