Method and device for opening and cleaning fiber material
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United States of America Patent
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-
Sep 6, 1994
Grant Date -
N/A
app pub date -
May 21, 1992
filing date -
Sep 27, 1989
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
In a device for opening and cleaning fiber material with two opener rolls (2,4) rotating in the same direction and each being supported in a housing (3) side by side in parallel in a horizontal plane above grate segments (12, 14). The circles of action of the rolls almost contact in the horizontal, with a feeder (8) directed tangentially onto the one end of the first opener roll (2) in the fiber transport direction An outlet (30) protrudes horizontally from the housing (3) on the side of the housing (3) opposite the feeder (8) , through which an air flow (6, 34) feeds and discharges the fiber material, respectively. It is provided that, via the feeder (8), the fiber material is directed vertically from above between the housing (3) and the opener roll (2) onto that side of the first opener roll (2) facing away from the second opener roll (4). The sense of rotation of the opener roll (2) in the entering area of the fiber material is directed away from the second opener roll (4) corresponding to the falling direction of the fiber material in the peripheral region of the housing (3). The outlet (30) projects axially from the housing (3) between and above the opener rolls (2, 4).
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