Process and an apparatus for producing fluffed fiber materials

Details Process and an apparatus for producing fluffed fiber materials Process and an apparatus for producing fluffed fiber materials

1976-01-27

1977-06-21

Custer, Jr., Granville Y.

Solid material comminution or disintegration

Processes

With application of fluid or lubricant material

241 28, 241 51, 241 73, 2411861, 241189R, B02C 13286

Patent

active

040306720

ABSTRACT:
A process for defibrating cellulosic materials into fluffed materials wherein blocks and at least one strip of cellulosic fibrous materials are continuously fed into a defibration unit where they are simultaneously disintegrated in a dry state upon contact with impact elements which are pivotably mounted on a rotor, fluffed and mixed by the impact elements so as to form a homogeneous mixture of fluffed materials.
An apparatus for performing the process which comprises a defibration unit provided with separate feed units for blocks and strips of cellulosic fibrous materials and a rotor having pivotably mounted impact elements which disintegrate, fluff and mix the entering feed materials. The mixture is discharged through a sieve located in the bottom of the defibrating unit.
The position of the entering feed blocks on a feed plate is maintained within angle limits to prevent blocks from being uncontrollably pulled into the defibration unit.

REFERENCES:
patent: 1013611 (1912-01-01), Peters
patent: 1258969 (1918-03-01), Williams
patent: 1973074 (1934-09-01), Howes, Jr. et al.
patent: 3771733 (1973-11-01), Hadley et al.

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