Two-roll rounding machine and method for rounding sheet-metal blanks
Number of patents in Portfolio can not be more than 2000
United States of America Patent
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Oct 14, 2003
Grant Date -
Apr 18, 2002
app pub date -
Oct 5, 2001
filing date -
Oct 12, 2000
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
On a two-roll rounding machine, in addition to a compressively elastic guide roll and a compressively rigid rounding roll, one or more compressively elastic rolls are provided which have both a rounding function and a supporting function for the rounding roll. These additional rolls may also be supported by a back-up roll. The result is a rounding machine that has very good rounding characteristics even at small rounding diameters.
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