Method and apparatus for forming fiber webs

Details Method and apparatus for forming fiber webs Method and apparatus for forming fiber webs

1982-12-27

1984-12-11

Lindsay, Robert

Glass manufacturing

Processes

Forming product or preform from molten glass

65 5, 65 9, 65 16, C03B 3706

Patent

active

044876220

ABSTRACT:
The invention concerns the improvement of the fiber distribution in a web or mat, the attenuation of the fibers being effected by means of gas currents.
The material delivered in the form of filaments is attenuated in a channel between two gas jets. At the outlet of the channel, the gas current carrying the fibers entrains the ambient air and passes through a guide apparatus containing two walls. The circulation of the air induced between the channel and the guide apparatus is modified by the interposition of baffles.
The modification provides for improvement in the uniformity in the fiber web being made.

REFERENCES:
patent: 3445207 (1969-05-01), Goerens
patent: 3746524 (1973-07-01), Kirchheim
patent: 3787195 (1974-01-01), Kirchheim

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