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US 9,803,318 B2Granted
Spreader roll
AssigneeVoith Patent GmbH
InventorsJochen Honold, Marc Erkelenz
Life of this patent
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Abstract
A spreader roll has a stationary shaft mounted at both ends and running in a curve. A roll shell is supported on the shaft. The construction is simplified in that said roll shell is rotatably mounted, is formed of a flexible material and is supported on the shaft via a lubricating fluid film.
Claims20
A spreader roll, comprising:
- a stationary, non-rotatable shaft mounted at both ends and having an arced shape;
- a rotatably mounted roll shell supported on said shaft and extending along substantially an entire length of said shaft between the ends thereof, said roll shell being formed of a flexible plastic material and being supported directly on a lubricating fluid film on said shaft.
A spreader roll, comprising:
- a stationary, non-rotatable shaft mounted at both ends and having an arced shape;
- a rotatably mounted roll shell supported on said shaft, said roll shell being formed of a flexible polyurethane or rubber material;
- said shaft and said roll shell being disposed to form an annular gap therebetween;
- a lubricating fluid forming a lubricating fluid film in said annular gap and directly supporting said roll shell on said shaft, said fluid film having a thickness between 0.1 mm and 5 mm;
- and
- said shaft having a plurality of fluid feed openings formed therein for feeding the lubricating fluid into said annular gap.
3 more elements
Dependencies are inferred from the claim text.