Method of and apparatus for manufacturing glass fiber mat

Details Method of and apparatus for manufacturing glass fiber mat Method of and apparatus for manufacturing glass fiber mat

1990-11-26

1992-07-14

Schroeder, Werner H.

Textiles: manufacturing

Textile product fabrication or treatment

Fiber entangling and interlocking

28112, 65 2, 65 44, D04H 146

Patent

active

051291312

ABSTRACT:
In a method of and an apparatus for manufacturing a glass fiber mat, bundles of glass fibers shake down onto a conveyor unit arranged horizontally, to form a non-oriented fiber layer. The non-oriented fiber layer is dried by a drier. Bundles of uni-directional fibers are supplied onto the dried non-oriented fiber layer, by a bundle supply device, to laminate the uni-directional fiber layer onto the dried non-oriented fiber layer. At the laminating, the bundles of uni-directional fibers are guided in parallel relation to each other at regular intervals in a widthwise direction of the conveyor unit. The uni-directional and non-oriented fiber layers, which are laminated one upon the other, are supplied to a needler and are needled thereby, to form the glass fiber mat. The glass fiber mat is carried out by a delivery roller unit.

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patent: 3883333 (1975-05-01), Ackley
patent: 3999971 (1976-12-01), Drummond
patent: 4315789 (1982-02-01), Tongel

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