Apparatus for and method of shirring a tubular casing

Details Apparatus for and method of shirring a tubular casing Apparatus for and method of shirring a tubular casing

1985-03-22

1985-11-05

Sipos, John

17 41, 17 42, 53576, 53581, A22C 1302

Patent

active

045504725

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.
In the drawing (FIG. 3) is shown part of a shirring machine comprising a pair of shirring wheels 21.22 located on opposite sides of a mandrel 15. The mandrel 15 has a tapered section 27 which begins immediately upstream of the line 27B joining the centers 21A, 22A of the shirring wheels and continues a substantial distance downstream of the line 27B. Back pressure is generated by rolls 28, 29.
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.

REFERENCES:
patent: 3337906 (1967-08-01), Kaluza
patent: 3938220 (1976-02-01), Sheridan et al.
patent: 4176204 (1979-11-01), Winkler
patent: 4210981 (1980-07-01), Story
patent: 4358873 (1982-11-01), Kollross

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