Apparatus for forming of felts which have an isotropic structure

Details Apparatus for forming of felts which have an isotropic structure Apparatus for forming of felts which have an isotropic structure

1985-02-15

1986-12-30

Lindsay, Robert

Glass manufacturing

Processes

Forming product or preform from molten glass

65 44, 264518, 425371, C03B 3710

Patent

active

046326855

ABSTRACT:
The invention relates to the forming of felts, the fibres of which are disposed in random directions.
These felts are obtained by depositing the fibres which are carried by a current of gas on a gas-permeable conveyor, the fibres, prior to being deposited, being coated with a binder composition. The felt constituted on the conveyor is subject to at least a longitudinal compression, the intensity of which is regulated in such a way that no creases form on the surface.
The felts obtained are highly resistant to compression, to tearing and to flexion.

REFERENCES:
patent: 1948395 (1934-02-01), Powell
patent: 2958919 (1960-11-01), Palmer
patent: 3045316 (1962-07-01), Gilhart
patent: 3152200 (1964-10-01), Kleist
patent: 4146564 (1979-03-01), Garrick et al.
patent: 4508673 (1985-04-01), Stahl et al.

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