Continuous process for duct liner production with air laid...

Details Continuous process for duct liner production with air laid... Continuous process for duct liner production with air laid...

2004-05-21

2010-10-19

Fletcher, III, William Phillip (Department: 1715)

Coating processes

Application to opposite sides of sheet, web, or strip

C427S407100, C427S407300, C427S412000

Reexamination Certificate

active

07815967

ABSTRACT:
A continuous method of making duct liner is provided, comprising the steps of: (i) forming at least one lane of duct liner insulation having a top and bottom surfaces and a pair of side edges, the duct liner insulation having a facing layer on at least a bottom surface thereof, wherein the bottom surface faces downward after the forming step; (ii) flipping the duct liner insulation and facing layer while the duct liner insulation is conveyed, whereby the top surface faces downward and the facing layer faces upward; and (iii) applying a water-resistant coating to the upwardly facing layer, wherein the duct liner insulation is conveyed as part of a continuous manufacturing process from the forming step to the applying step.

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