Method of producing a split leather, especially for automotive applications subject to temperature and humidity fluctuations
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United States of America Patent
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Dec 14, 1993
Grant Date -
N/A
app pub date -
Dec 4, 1990
filing date -
Dec 13, 1989
priority date (Note) -
Expired
status (Latency Note)
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Abstract
Between a chrome tanning step and a fat liquor treatment step, a flesh side split leather is subjected to shaving on both its split and flesh sides to a thickness of 1.1 to 2.5 mm, preferably 1.2 to 1.5 mm and is then aftertanned. After a split side dressing of the dried butt, a further shaving operation is effected on the flesh side to a thickness of 0.5 to 1.0 mm, preferably 0.7 to 0.9 mm, whereupon the flesh side is also dressed. The result is a split leather which is particularly effective for use on automotive vehicle dashboards and has low shrinkage even when subjected to high temperature and moisture fluctuations.
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