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Title: Apparatus for forming a batt from staple fibers

Abstract: Apparatus for depositing staple fibers onto a conveyor belt to form a batt, including a chute feeder having an adjustable weir plate provided with a row of air jets along the bottom edge for maintaining a uniform fiber level at the exit from the chute. Fibers are supplied in an air stream from which they are separated by condenser means and fall into the chute over distributing baffles.


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Inventors: Contractor, Rashmikant M. (Wilmington, DE, US)
Hwang, Sang-Hak (Newark, DE, US)

Application Number: 577056
Filing Date: 1975-05-13
Publication_date: 1976-09-21
Assignee: E. I. Du Pont de Nemours and Company (Wilmington, DE)
Primary Class(es): 19/296
Other Classes:
US Patent Ref:
2103769Dec, 1937Drill19/155.
3071821Jan, 1963Constantine et al.19/155.
3177275Apr, 1965Brenner19/156.
3611508Oct, 1971Reinhall et al.19/156.

Other Refs: 163,860748,098
Jun, 1921UK
Apr, 1956UK

Primary Examiner: Newton, Dorsey
Assistant Examiner:
Attorney: