Composite shape forming structure for sealing and reinforcing co

Stock material or miscellaneous articles – Web or sheet containing structurally defined element or... – Noninterengaged fiber-containing paper-free web or sheet...

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428103, 428105, 428109, 428113, 428114, 428119, 4282937, 2989734, 52 99, 52678, 527401, 527402, 205724, 205734, 156 74, 156169, 156171, 156190, 156242, 156289, B32B 1712, B32B 3116

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059810505

ABSTRACT:
A multiple ply composite structure used to reinforce, seal and shape concrete structures has a first ply formed of unidirected continuous filament reinforcements which are bonded together by a thermosetting polymeric resin matrix. A second ply comprises a plurality of separately spaced protuberances, each of which is individually coated with a hardenable thermosetting polymeric resin. The hardenable thermosetting polymeric resin of the second ply bonds the first ply to the second ply by forming a concave resin meniscus which anchors each of the protuberances of the second ply to the first ply.

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patent: 5658624 (1997-08-01), Anderson et al.
patent: 5798151 (1998-08-01), Andersen et al.
patent: 5837315 (1998-11-01), Foltz et al.

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