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US 6,589,652 B2Granted
Blowable insulation clusters
AssigneeAlbany International Corp.
InventorsZivile M. Groh, Victor P. Laskorski
Life of this patent
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Abstract
A blowable insulation material comprising batt shredded into blowable clusters. In preferred embodiments, the clusters comprise water-repellant or lubricant-finished fiber and/or dry fiber and/or binder fiber and may be mixed with opened fiber. A process to produce the blowable clusters is also disclosed.
Claims8
Blowable clusters comprising a shredded batt made by the following process:
- a) carding batt made with a suitable binder-fiber blend;
- b) heating the carded batt for a time and temperature sufficient to cause the binder fiber to bond the other fibers;
- and
- c) shredding the heatset batt.
1 more element
Dependencies are inferred from the claim text.