Apparatus for forming building materials comprising non-woven we

Details Apparatus for forming building materials comprising non-woven we Apparatus for forming building materials comprising non-woven we

1982-08-16

1984-02-21

Hall, James R.

Plastic article or earthenware shaping or treating: apparatus

Air felting type shaping means

Means forming running length product

425115, 425130, 425371, B29C 1300

Patent

active

044327145

ABSTRACT:
A mixture of binder and fibrous material is introduced into the upper regions of a mat-forming zone. The mixture is intersected by a horizontally or upwardly directed air stream and entrained therein, then layered onto at least one foraminous wire by exhausting the entraining air through said foraminous wire or wires. By reducing turbulence and by controlling the manner in which the particulate matter is deposited upon the foraminous wires, uniform non-woven webs can be obtained which may be used in a variety of ways to form versatile building products.

REFERENCES:
patent: 4047865 (1977-09-01), Axer et al.
patent: 4105381 (1978-08-01), Platt et al.
patent: 4123211 (1978-10-01), Rudloff
patent: 4167378 (1979-09-01), Hagg et al.

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