Shingle tear strength with fiber mixture of different fibers

Static structures (e.g. – buildings) – With means for split-prevention or damaged part repair

Reexamination Certificate

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C052S514500, C052S518000, C052S534000, C052S537000, C428S292100, C428S297400, C428S399000, C428S484100, C428S505000, C428S524000, C428S040300, C442S157000, C442S160000, C442S170000, C442S171000, C442S176000, C442S178000, C442S180000

Reexamination Certificate

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06851240

ABSTRACT:
A coated fiber mat of improved tear strength upon dividing pieces of the coated mat and the coating is provided. The coated mat is a cured, non-woven mat including a mixture of fibers having different fiber lengths. The fibers contain a polysiloxane compound and are fixedly distributed in a binder.

REFERENCES:
patent: 2865682 (1958-12-01), Lyon
patent: 4335186 (1982-06-01), Marzocchi et al.
patent: 4430465 (1984-02-01), Abbott
patent: 4472243 (1984-09-01), Bondoc et al.
patent: 4500600 (1985-02-01), Wong et al.
patent: 5518586 (1996-05-01), Mirous
patent: 5585432 (1996-12-01), Lee et al.
patent: 5744229 (1998-04-01), Gleason et al.

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