A - Human Necessities – 22 – C
Patent
A - Human Necessities
22
C
18/944
A22C 13/02 (2006.01)
Patent
CA 1246823
APPARATUS FOR SHIRRING A TUBULAR CASING Abstract An apparatus for shirring a tubular casing in which the compression of the shirred stick is produced by employing a tapered mandrel positioned between shirring wheels. The taper is carefully chosen to produce uniform shirring and compression. The shirring machine comprises a pair of shirring wheels located on opposite sides of a mandrel. The mandrel has a tapered section which begins immediately upstream of the line joining the centers of the shirring wheels and continues a substantial distance downstream of the line. Back pressure is generated by rolls. A preferred rate of taper is about 1 in 5 but the rate of taper may be anywhere in the range 1 in 4 to 1 in 30.
477855
Jones Nigel J.
Syrop Alan N.
Temple Stephen
Devro Inc.
Ogilvy Renault Llp/s.e.n.c.r.l.,s.r.l.
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