Method of making mats of chopped fibrous material

Details Method of making mats of chopped fibrous material Method of making mats of chopped fibrous material

1995-06-01

1996-10-15

Aftergut, Jeff H.

Adhesive bonding and miscellaneous chemical manufacture

Methods

Surface bonding and/or assembly therefor

156 622, 156256, 156283, 156289, 156296, 156311, 156320, 156212, 264109, 427195, B32B 3100, B32B 1902, B32B 1702

Patent

active

055650490

ABSTRACT:
The subject matter of this invention relates to a method of making glass fiber mat reinforcement material with a thermoplastic adhesive powder. Fiberglass strands are chopped and randomly air dropped onto a Teflon.RTM. coated conveyor belt to form a loose mat. A water mist is then applied to the loose mat and transport belt, before a powdered adhesive is dispensed. Heat is applied to plasticize the adhesive and finally the adhesive is solidified by cooling. The adhesive will then release from the transport belt and is adhered to the material forming the fiberglass reinforcement mat.

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