Stock material or miscellaneous articles – Longitudinally sectional layer of three or more sections – Next to unitary sheet of equal or greater extent
Reexamination Certificate
2008-07-15
2008-07-15
Thomas, Alexander (Department: 1794)
Stock material or miscellaneous articles
Longitudinally sectional layer of three or more sections
Next to unitary sheet of equal or greater extent
C428S074000, C428S075000, C156S256000, C156S264000
Reexamination Certificate
active
07399510
ABSTRACT:
A sandwich structure (2) comprising a core (20) and two facings (21, 22) between which the core is placed, the core (20) being formed from a mineral-fiber-based product (1) obtained by a process involving internal centrifugation combined with attenuation by a high-temperature gas stream, characterized in that the mineral fibers are crimped.
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Dupouy Valerie
Maricourt Jean-Pierre
Oblon & Spivak, McClelland, Maier & Neustadt P.C.
Saint-Gobain Isover
Thomas Alexander
LandOfFree
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