| 摘要 |
FIELD: process engineering. ^ SUBSTANCE: invention relates to method and device for making rolls of from mineral cotton wad strip or mat wherein strip or mat is rolled in rolling zone R defined by three rolling elements and crossed by plane running in direction perpendicular to rolling axis direction, said zone cross section having in fact triangular shape. Note here that mineral cotton wad roll density is adjusted by varying the size of rolling zone R defined by roll size variation to ensure constant mineral cotton wad density over, in fact, entire roll. ^ EFFECT: rules out irregular density of rolls. ^ 6 cl, 4 dwg |
