Stock material or miscellaneous articles – Composite – Of aldehyde or ketone condensation product
Reexamination Certificate
2003-03-24
2009-08-18
Kiliman, Leszek (Department: 1794)
Stock material or miscellaneous articles
Composite
Of aldehyde or ketone condensation product
C428S535000, C428S537100, C427S384000, C427S393000, C427S408000, C427S412100
Reexamination Certificate
active
07575813
ABSTRACT:
It is provided a wood flooring having laminated wood and plastic layers symmetric to each other and method of manufacturing the same. The wood flooring has an upper layer including laminated wood, a core layer including plastic sheets manufactured by calendaring, and a lower layer including veneer board, the lower layer being made of the same material as the upper layer, which are piled up symmetrically in order to keep the balance between the upper layer and lower layer, and then integrated under a constant temperature and pressure to form a suitable layers made by wood and plastic, thereby providing natural feeling in surface and solving the problem of distortion according to the change of environment.
REFERENCES:
patent: 6617009 (2003-09-01), Chen et al.
patent: 6986934 (2006-01-01), Chen et al.
patent: 7169460 (2007-01-01), Chen et al.
patent: 1998-047176 (1998-09-01), None
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patent: 000060158 (2000-10-01), None
patent: 10-0297401 (2001-05-01), None
Han Kie-Sun
Kim Young-Gi
Park Seong-Chan
Cantor & Colburn LLP
Kiliman Leszek
LG Chem Ltd.
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