Use of recycled plastics for structural building forms

Details Use of recycled plastics for structural building forms Use of recycled plastics for structural building forms

2011-08-30

2011-08-30

Seidleck, James (Department: 1765)

Synthetic resins or natural rubbers -- part of the class 520 ser

Synthetic resins

Mixing of two or more solid polymers; mixing of solid...

C525S191000, C525S240000, C525S242000, C523S204000, C523S500000, C052S578000, C052S586100, C052S782100, C014S073000, C014S077100, C238S029000, C238S084000, C238S057000, C238S058000, C238S067000, C428S101000, C428S119000, C428S054000, C428S384000

Reexamination Certificate

active

08008402

ABSTRACT:
Modular plastic structural composites formed from a mixture of (A) high density polyolefin and one or both of: (B) a thermoplastic-coated fiber material, or (C) polystyrene, poly(methyl methacrylate), or a combination thereof. Composites molded in the form of I-Beams and bridges constructed therefrom are also disclosed.

REFERENCES:
patent: 5789477 (1998-08-01), Nosker et al.
patent: 5916932 (1999-06-01), Nosker et al.
patent: 6103211 (2000-08-01), Matsuhisa et al.
patent: 6191228 (2001-02-01), Nosker et al.
patent: 6247651 (2001-06-01), Marinelli
Braestrup; “Footbridge Constructed From Glass-Fibre-Reinforced Profiles, Denmark,” Structural Engineering International, 9(4) 256-258, Nov. 1999.
“Recycled Plastic Forms Bridge Beams,” Environment News Service, www.ens-news.com (Jan. 21, 2003).

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