| 摘要 |
<p>1511793 Producing batts E I DU PONT DE NEMOURS & CO 11 May 1976 [13 May 1975] 19422/76 Heading DIN Batts are formed by an apparatus comprising an upright chute with a conveyor 30 at the bottom to receive fibers and an exit opening for the formed batt, air being directed across the top of the batt within the chute to maintain a uniform height at the exit. The air enters through jet holes 34 in an adjustable weir plate 32. The batt leaving the chute is compacted by a vibrating plate 42 and/or conveyor 44. Air exit openings are provided at 36 and 45. Fibre is conveyed to the chute by pneumatic pipe 10 air being extracted in condenser 12. The fiber then enters the chute over paddle device 38, or a vibrating baffle, and a fixed baffle 40. Examples are given indicating the batt uniformity obtained. The batt is for feeding a web former.</p> |
