Embossed insulating paperboard

Details Embossed insulating paperboard Embossed insulating paperboard

2006-06-20

2006-06-20

Fortuna, José A. (Department: 1731)

Paper making and fiber liberation

Processes and products

Non-uniform, irregular or configured web or sheet

C162S129000, C162S109000, C162S157100, C428S034200, C428S537500, C428S156000, C156S219000

Reexamination Certificate

active

07063771

ABSTRACT:
An insulating paperboard contains at least one layer of cellulose fibers. The one layer is at least partially composed of bulky fibers. The paperboard is sufficiently insulated to provide a hot water ΔT across the paperboard of at least 0.7° C.±2.3° C. per 0.1 mm of caliper. The paperboard may be embossed to decrease surface transmission of heat. A hot cup may be produced from the insulating paperboard.

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