Glass manufacturing – Fiber making apparatus – With means to distribute fibers across collecting surface
Patent
1996-10-02
1999-03-16
Hoffmann, John
Glass manufacturing
Fiber making apparatus
With means to distribute fibers across collecting surface
65 251, 65 27, 65168, 65524, 134 2212, 134 2218, 406193, 406 86, 406 88, 264121, 264169, C03B 4004
Patent
active
058823727
ABSTRACT:
In a process of making gas laid products by entraining particles at least partially coated with a binder in a gaseous stream, passing the stream through a forming chamber and through a permeable collecting surface where the particles build up to form a product like fiber glass insulation, this invention prevents particles from contacting and building up on the walls of the forming chamber and causing wet spots in the finished product by maintaining a high velocity, high pressure layer of gas close to the exposed surface of the walls of the chamber and moving in the general direction of the gaseous stream. This is accomplished by apparatus including a plurality of plenum boxes forming the walls of the forming chamber with the surface exposed to the gaseous stream having gas directing openings therein. Also, an improved method of applying the binder to the particles is disclosed.
REFERENCES:
patent: 4969942 (1990-11-01), Schwenninger
patent: 5409521 (1995-04-01), Featherstone
Brown Jimmy Gene
Clocksin Kenneth Andrew
Hite Edward Lee
McKibben Michael Terricks
Hoffmann John
Johns Manville International Inc.
Touslee Robert D.
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