rolling ( rolling machine )
The process of smoothing and compressing the grain
surface of leather by subjecting it to the action
of a metal roller under pressure. UnlikeGLAZING , rolling
involves the use of a revolving steel roll and is
usually done in a rolling machine, or rolling
jack, which is very much like the glazing machine,
except that the latter has a stationary roll made
of solid glass in place of the revolving steel
roll. While the steel roll strikes the leather
with considerable pressure, there is no great
friction, as in glazing, and no measurable heat is
generated. While being rolled, the leather is
usually rotated so that the entire area is rolled
twice, a process referred to as "rolling twice
around." (363 )
![[CoOL]](/icons/sm_cool.gif){kind=icon}