Foamed laminated construction

Details Foamed laminated construction Foamed laminated construction

2011-07-05

2011-07-05

Aughenbaugh, Walter B (Department: 1782)

Stock material or miscellaneous articles

Hollow or container type article

Polymer or resin containing

C428S035600, C428S036200, C428S036500, C428S036900, C428S036910, C442S050000, C442S056000, C442S058000

Reexamination Certificate

active

07972668

ABSTRACT:
A laminated construction having a first layer having a plurality of criss-crossing foamed filaments adhered to each other and defining a net, an impermeable layer laminated to the first layer along two opposite longitudinal edges to form a sleeve, and a perforated pipe extending within the sleeve. In another embodiment, a porous membrane surrounds the layer having a plurality of criss-crossing foamed filaments adhered to each other. In another embodiment, the laminated construction forms a pipe having a first layer having a plurality of criss-crossing foamed filaments adhered to each other and defining a net, an impermeable layer laminated to the first layer along two opposite longitudinal edges to form a sleeve, and a plurality of loose fill elements are within the sleeve for passage of fluid therethrough.

REFERENCES:
patent: 4753762 (1988-06-01), Li et al.
patent: 5015123 (1991-05-01), Houck et al.
patent: 7452165 (2008-11-01), Tyler

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