Stock material or miscellaneous articles – Hollow or container type article – Flexible food casing
Reexamination Certificate
2002-09-16
2009-11-24
Miggins, Michael C (Department: 1794)
Stock material or miscellaneous articles
Hollow or container type article
Flexible food casing
C428S036910, C428S034900
Reexamination Certificate
active
07622173
ABSTRACT:
Cellulose casing for sausages, comprising at least three concentric layers of regenerated cellulose, of which the two layers in contact with the outside, that is, those with the greatest and smallest diameter respectively are made of colorless, transparent viscose, and in which the internal layer or layers are made of regenerated cellulose to which is added other substances such as pigments, fumes, flavor extracts, spices or plastic proteins.The object of the invention is a manufacturing method for the cellulose casing obtained by extrusion of at least three concentric layers of regenerated cellulose. Also object of the invention is the circular viscose extrusion head used in manufacturing the cellulose casing for sausages.
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patent: 4670273 (1987-06-01), Hammer et al.
patent: 5043194 (1991-08-01), Siebrecht et al.
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patent: 0 473952 (1992-03-01), None
Garcia Vizcarra Agustin
Oiza Oset José Abel
Katten Muchin & Rosenman LLP
Miggins Michael C
Viscofan, Industria Navarra de Envolturas Celulosicas, S.A.
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