Stock material or miscellaneous articles – Structurally defined web or sheet – Including variation in thickness
Reexamination Certificate
2005-09-20
2005-09-20
Loney, Donald J. (Department: 1772)
Stock material or miscellaneous articles
Structurally defined web or sheet
Including variation in thickness
C428S141000, C428S142000, C428S204000, C428S207000, C428S314200, C428S315900, C428S402000, C428S402200, C428S908800
Reexamination Certificate
active
06946185
ABSTRACT:
Surface coverings and surface covering components that include a textured transparent or translucent wear layer and a design layer, where the design layer is printed with an ink that includes collapsible microspheres, are disclosed. Also disclosed are methods of manufacturing such surface coverings and surface covering components. In one embodiment, a pattern is printed on a substrate to be coated with a wear layer. In another embodiment, a clear transparent or translucent layer underlies the design layer. The ink includes collapsible microspheres, and can also include foaming inhibitors. A number of surface covering substrates and surface coverings can be prepared using the methods described herein. The surface coverings include a substrate, for example, a foamable substrate, a design layer printed with an ink composition that includes collapsible microspheres, and a wear layer. The ink compositions containing the collapsible microspheres can be printed via conventional gravure methods, and the transparent or translucent wear layer can also be printed using conventional methods. The fusion process through which the wear layer is applied and fused causes the microspheres to expand, and then results in the just expanded microspheres collapsing under the weight of the wear layer.
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patent: 4614680 (1986-09-01), Fry et al.
patent: 5506030 (1996-04-01), Landers et al.
patent: 6841221 (2005-01-01), MacQueen
patent: 2001/0028945 (2001-10-01), Chen et al.
patent: 1044680 (1966-10-01), None
European Search Report Communication—Application No. EP 03 02 4359 dated Oct. 8, 2004.
Jagdev Rajmeet Kaur
Kauffman William J.
Selby Malcolm John
AWI Licensing Company
Loney Donald J.
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