Method of producing mat comprising filament loop aggregate

Details Method of producing mat comprising filament loop aggregate Method of producing mat comprising filament loop aggregate

1993-08-12

1995-11-07

Maki, Steven D.

Adhesive bonding and miscellaneous chemical manufacture

Methods

Surface bonding and/or assembly therefor

156181, 15624426, 264168, 264178F, 26421114, D01D 522, D01D 700

Patent

active

054644917

ABSTRACT:
A method for producing a mat including a three dimensional filament loop aggregate comprises extruding molten thermoplastic synthetic resin die to form a plurality of filaments. The filaments are heated and descend onto a surface of a cooling liquid, between a pair of rotatable rolls submerged in the cooling liquid. The filaments are all cooled simultaneously by the cooling liquid and form loops on the surface thereof. A first series of loops formed from outermost filaments are supported on one of the rotatable rolls in the cooling liquid, with the loops being horizontal. Rotation of the roll moves these loops into a vertical position. Thereafter, all the loops are integrated, with the loops formed by the outermost filaments being in a vertical position, and the loops formed by the remaining filaments being in the horizontal position. A three dimensional filament loop aggregate is formed by integration of the loops, and is drawn off from between the rotatable rollers at a speed slower than the loops are formed on the surface of the liquid.

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