Plastic and nonmetallic article shaping or treating: processes – Outside of mold sintering or vitrifying of shaped inorganic... – Including plural heating steps
Patent
1974-02-26
1978-02-28
Thurlow, Jeffery R.
Plastic and nonmetallic article shaping or treating: processes
Outside of mold sintering or vitrifying of shaped inorganic...
Including plural heating steps
17 49, 264 95, 264282, 264286, 264310, A22C 1300
Patent
active
040757366
ABSTRACT:
This invention relates to an improvement in the process for shirring cylindrical tubular casings, especially artificial sausage casings of synthetic material, in which an inflated casing is conveyed in the direction of its longitudinal axis and shirred, with pleating, against a counter-force by shirring forces acting upon the circumference of the casing, the improvement comprising that the forces acting upon the surface of the casing do so continuously and simultaneously, at equal intervals, at a plurality of points on at least two straight lines extending parallel to and symmetrically about the longitudinal axis of the casing, the action being at right angles to the longitudinal axis of the sausage casing, and circumferentially thereof, and, simultaneously, in the direction of the longitudinal axis of the casing, against said counter-force. The invention also relates to an apparatus for performing the process.
REFERENCES:
patent: 3049749 (1962-08-01), Mayer et al.
patent: 3096546 (1963-07-01), Edwards
patent: 3310833 (1967-03-01), Clement
patent: 3399066 (1968-08-01), Ziolko
patent: 3461484 (1969-08-01), Arnold
patent: 3581338 (1971-06-01), Bender
patent: 3594857 (1971-07-01), Michl
patent: 3805330 (1974-04-01), Martinek
patent: 4001914 (1977-01-01), Riegler et al.
Bryan James E.
Hoechst Aktiengesellschaft
Thurlow Jeffery R.
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