Process for strengthening collagen casings

Details Process for strengthening collagen casings Process for strengthening collagen casings

B - Operations, Transporting

29

C

B29C 47/00 (2006.01) B29C 35/10 (2006.01) B29C 35/08 (2006.01) B29C 71/00 (2006.01) B29C 71/04 (2006.01)

Patent

CA 2291117

Conventionally produced edible tubular casing is improved in its mechanical properties by being exposed to ultraviolet radiation (15) in the range of 180 nm to 420 nm. The so-treated casing is humidified (17), collapsed and wound onto a reel (18). The reel (18) of tubular casing may be transported to a point of use where it is unwound, inflated, shipped and cut into lengths as desired.

Cette invention concerne un procédé qui permet d'améliorer les propriétés mécaniques d'enveloppes tubulaires comestibles traditionnelles, lequel procédé consiste à les exposer à un rayonnement ultraviolet (15) dans une plage allant de 180 nm à 420 nm. L'enveloppe ainsi traitée est ensuite humidifiée (17), aplatie, puis enroulée sur une bobine (18). Cette bobine d'enveloppe tubulaire peut être transportée en un point d'utilisation où ladite enveloppe est dévidée, gonflée, convoyée et coupée à des longueurs voulues.

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