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Class Information
Number: 452/26
Name: Butchering > Shirring of casing > Shirring head > Combined with twisting of casing
Description: Subject matter including a means which causes the casing to rotate about the axis of the mandrel during or subsequent to the shirring operation so that the shirrs form a helical pattern along the casing.

Patents under this class:

Patent Number Title Of Patent Date Issued
7392642 Packaging device for free-flowing bulk material (filling) Jul. 1, 2008
5131883 Food emulsion casing end-closure Jul. 21, 1992
4756057 Method of making high coherency shirred casing Jul. 12, 1988
4649961 High coherency shirred casings Mar. 17, 1987
4649962 Hollow tubular sheathing for sausages, and process of manufacture Mar. 17, 1987
4550042 Shirred sausage casing and process for its manufacture Oct. 29, 1985
4547932 Process and apparatus for shirring tubular casings Oct. 22, 1985
4320558 Continuous shirring and spinning machine for casings Mar. 23, 1982

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