Method of using zoned hot air knife

Details Method of using zoned hot air knife Method of using zoned hot air knife

1997-06-17

2000-05-23

Maki, Steven D.

Adhesive bonding and miscellaneous chemical manufacture

Methods

Surface bonding and/or assembly therefor

156181, 156290, 156324, 156497, B29C 6510, B32B 3126, D04H 148, D04H 154

Patent

active

060662212

ABSTRACT:
A zoned hot air knife assembly and process include a plurality of discrete, spaced apart air knives is useful for the inter-filament bonding of nonwoven webs, for the thermal bonding of laminates including nonwoven webs, and other applications. The zoned hot air knife assembly and process facilitate the manufacture of low bond area, low density nonwoven webs and laminates having high structural integrity. The zoned hot air knife also reduces the amount of heated air and, thus, energy required for the production of thermally bonded nonwoven webs and laminates.

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