Belt seams
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United States of America Patent
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Jan 29, 2013
Grant Date -
Nov 25, 2010
app pub date -
Jan 13, 2009
filing date -
Jan 21, 2008
priority date (Note) -
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status (Latency Note)
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Abstract
A clipper seam for joining the ends of a belt, are connected by interdigitated staples which are looped about a pintle and provide barbs on their remote ends to penetrate into the material of the belt. Each end is covered by an edge strip of vinyl by radio frequency welding, and a flap is attached to one end on the low pressure side of the belt by a portion, and folded over to cover the seam on the low pressure side by means of a flap which extends beyond the seam area of the other end. A central area to each side of the seam is impregnated with polyurethane to resist abrasion which tends to concentrate in this area.
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