Composite having improved transverse structural integrity and fl

Details Composite having improved transverse structural integrity and fl Composite having improved transverse structural integrity and fl

1985-09-11

1987-08-18

Lesmes, George F.

Stock material or miscellaneous articles

Structurally defined web or sheet

Discontinuous or differential coating, impregnation or bond

428219, 428220, 428236, 428285, 428337, 428340, 210504, 210505, 210507, 210509, 210485, 2104935, B32B 502, B01D 3906, B01D 2706

Patent

active

046876979

ABSTRACT:
A composite is provided which has improved transverse structural integrity and flexibility and suitable for use in high temperature and high stress environments. The composite has randomly oriented high temperature resistant inorganic fibers interlocked together into a shape sustaining paper with a transverse thickness of from about 0.005 to 0.5 inch. A transverse strength providing high temperature resistant, flexible fabric, made of inorganic fibers is disposed upon at least one of the surfaces of said paper. An organic adhesive is disposed between the paper and the fabric and flexibly bonds the paper to the fabric to form a composite. The composite is sufficiently flexible that it may be folded or pleated without breaking and is capable of being used at high temperatures and at high transverse stresses without rupturing.

REFERENCES:
patent: 3553064 (1971-01-01), Wideman
patent: 4499134 (1985-02-01), Whitely et al.
Pratt, R. P., "The Performance of Filters Under Hot Dynamic Conditions".
Ruedinger, V., "Development of Gloss Fiber HEPA Filters of High Structural Strength on the Basis of the Establishment of the Failure Mechanisms", 19th DOE/NRC Nuclear Air Cleaning Conference.

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