| 摘要 |
A pair of angularly adjustable shirring rolls is mounted on each of two parallel rotatable shafts on opposite sides of a shirring mandrel over which a tube of material suitable for use as sausage casing is fed. The rolls are provided around the periphery thereof with tube-contacting teeth separated by grooves and each roll may be angularly adjusted on its shaft to align the teeth on the roll with the teeth or the grooves of the other rolls so that a variety of shirred tube configurations is obtainable.
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