Saddle and sheeting head using the same

Details Saddle and sheeting head using the same Saddle and sheeting head using the same

2007-01-02

2007-01-02

Mackey, James P. (Department: 1722)

Plastic article or earthenware shaping or treating: apparatus

Press forming means, press reshaping means, or vulcanizing...

C425S367000

Reexamination Certificate

active

10325369

ABSTRACT:
A saddle for a sheeting head includes a pair of semi-circular concave edges configured to seal a pair of rollers. The oppositely facing concave edges each include a tongue that fits in a corresponding groove in the roller and a retracted concave edge adapted to wrap around half the roller surface. The saddle includes a top portion wherein the concave edges downwardly converge, and a bottom portion wherein the concave edges downwardly diverge. A narrow waist is provided at the proximal-most position of the concave edges and adapted to fit in a pinch point between the rollers. A sheeting head assembly incorporating the saddle may include a sidewall to which the saddle need not be fastened. The self-locking characteristics of the saddle enable an assembly to omit sidewalls altogether.

REFERENCES:
patent: 2513541 (1950-07-01), Winegar et al.
patent: 2693154 (1954-11-01), Appleton
patent: 3570054 (1971-03-01), Seanor et al.
patent: 3740177 (1973-06-01), Hoyt et al.
patent: 3985488 (1976-10-01), Hoffmann
patent: 5180593 (1993-01-01), Mistretta et al.
patent: 5558885 (1996-09-01), Herrera

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