Flexible expansion compensation sleeve for connecting sections o

Details Flexible expansion compensation sleeve for connecting sections o Flexible expansion compensation sleeve for connecting sections o

1991-12-30

1992-09-15

Ryan, Patrick J.

Stock material or miscellaneous articles

Hollow or container type article

428 345, 428 347, 428 364, 428290, 428292, 428303, 138120, 138155, B32B 108

Patent

active

051476959

ABSTRACT:
A composite material includes an elastomer matrix forming a basic component of the material. There is included a cross-linking system of the elastomer matrix and at least one fiber reinforcement including fibers with a maximum length of about 30 mm. The fibers are disposed throughout the elastomer matrix and are generally oriented to extend in a first direction of reinforcement. There is at least one thermosetting resin in the elastomer matrix. The elastomer matrix which includes the cross-linking system, the fiber reinforcement and the thermosetting resin has a first equivalent tensile modulus which is calculated for a hypothetical elongation of 100% in the first direction and a second equivalent tensile modulus which is calculated for an actual or hypothetical elongation of 100% in a second direction which is perpendicular to the first direction. A second equivalent tensile modulus is at least 6 MPa. Anisotropy ratio of the first equivalent tensile modulus and the second equivalent tensile modulus is at least 6.

REFERENCES:
patent: 4005054 (1977-01-01), Bonnefoon et al.
patent: 4056591 (1977-11-01), Goettler et al.
patent: 4124731 (1978-11-01), Dilo
patent: 4127039 (1978-02-01), Holloway, Jr.
patent: 4571230 (1986-02-01), Woodland
patent: 4657526 (1987-04-01), Tangorra et al.
patent: 4681558 (1987-07-01), Rausch
patent: 4684569 (1987-08-01), McGee, Jr.

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