Polyamide-based sausage skin which can be filled manually
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United States of America Patent
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Jul 19, 2005
Grant Date -
Aug 14, 2003
app pub date -
Oct 24, 1997
filing date -
Nov 2, 1996
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Abstract
The invention concerns a biaxially stretched and thermoset tubular seamless single- or multi-layered foodstuff skin wherein the layer, or, a multi-layered skin wherein at least one of the layers, contains a block copolymer with 'hard' aliphatic polyamide blocks and 'soft' aliphatic polyether blocks, the block copolymer corresponding to one of formulae (I) to (III), Ea-(NH-[CH2]x-CO)m-Xa-(A-O)n-A Xa-(CO-[CH2]x-NH)m-Ea (I), (II), -[X-(CO-[CH2]x-NH)o-Y-X-(A-O)p-A]-(III). The invention is particularly suitable as a skin for a sausage which is to be boiled or heated in water, and does not form folds when the filling is introduced manually, with no or only slight pressure.
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