Patent
1980-12-11
1982-11-23
Abercrombie, Willie G.
17 42, 17 49, A22C 1302
Patent
active
043598064
ABSTRACT:
An apparatus for axial shirring of tubular material. A turret has a plurality of shirring tubes thereon and is indexible to move the shirring tubes transversely and is also capable of limited axial movement. A stationary shirring tool cooperates with a shirring tube brought by the turret to a shirring position. During shirring, the shirring tube is stationary as the tubular material being shirred engages a stop member movable axially along the shirring tube. First the stop member is brought towards the shirring tool and then controllably moved away therefrom during shirring. The apparatus also includes a bracing means for centering the folds of the shirred tubular material during the shirring step. At a further position finished shirred tubular material may be compressed and removed from the shirring tube by a pressing means which can operate independently of and concurrently with a shirring procedure.
REFERENCES:
patent: 3112516 (1963-12-01), Bonnee
patent: 3454981 (1969-07-01), Martinek
patent: 3597791 (1971-08-01), Marbach
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