Title: Fiber reinforced structural material

Abstract: A formable matrix used as structural material and having an admixture of reinforcing non-metallic fibers to control deterioration and improve flexural strength. The fibers are fabricated with a cross section which provides a maximum ratio of surface to cross-sectional areas and increased frictional forces between fiber and matrix when the fiber is stressed. The disclosed embodiment of the fibers has a cross-sectional shape with a plurality of arms extending radially from the center, preferably with lobes formed at their outer ends.

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Inventors: Hauser, Karl V. (Ann Arbor, MI, US)
Ronsaville, Jr., Edwin W. (Annapolis, MD, US)

Application Number: 647883
Filing Date: 1976-01-09
Publication_date: 1977-07-05
Assignee: Amtech, Inc. (Odenton, MD); Edward C. Levy Company (Detroit, MI)
Primary Class(es): 524/8 52/659, 106/711, 524/5, 524/7, 524/907
Other Classes:
US Patent Ref:

2677955	May, 1954	Constantinesco	106/99.
3429094	Feb, 1969	Romualdi	106/99.
3650785	Mar, 1972	Ball et al.	106/90.
3679445	Jul, 1972	Howe	106/99.

Other Refs:
Primary Examiner: Poer, J.
Assistant Examiner:
Attorney: Harness, Dickey & Pierce