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US 5,174,198 AGranted
Method for packaging and shipping fiber materials
AssigneeWeyerhaeuser Company
InventorClifford R. Bolstad
Life of this patent
Estimating the term…
Abstract
Restrained bales are formed for transporting high-bulk, crosslinked cellulose fiber in a reduced volume. A limited amount of force is used in compressing the fiber into the bales so that the fiber is not damaged. The limited amount of force used allows the bale, when restraints are released, to expand to about twice its restrained volume. Fiber damage is further minimized by limiting the amount of compression to the minimum required so that a transport container is completely filled to its volume and payload capacities.
Claims6
A method of forming bales of resilient, high-bulk, crosslinked cellulose fiber, the method comprising:
- applying a force sufficient to compress a volume of the fiber at a first density of about 0.008 g/cc to a second density of about 0.1 g/cc to about 1.0 g/cc;
- restraining the compressed volume of fiber to form a bale;
- releasing the force compressing the fiber while continuing to restrain the volume of fiber in the form of a bale;
- and
- releasing the restraint on the bale such that the baled fiber about doubles in volume following the release of the restraints.
2 more elements
Dependencies are inferred from the claim text.