Stock material or miscellaneous articles – Structurally defined web or sheet – Including variation in thickness
Reexamination Certificate
2005-02-01
2005-02-01
Loney, Donald J. (Department: 1772)
Stock material or miscellaneous articles
Structurally defined web or sheet
Including variation in thickness
C428S041800, C428S109000, C428S113000, C428S172000, C428S188000
Reexamination Certificate
active
06849322
ABSTRACT:
A method of preparing a cellulosic article includes a step of combining cellulosic material and binder resin to form treated cellulosic material. A mat is formed of a plurality of layers of the treated cellulosic material. The method also includes the steps of interfering with bonding of resin between two adjacent layers of the mat, and applying heat and pressure to the mat to form a cellulosic composite article having an internal blistered pattern. A consolidated cellulosic article includes a consolidated cellulosic mat and a layer of blisters disposed in the consolidated cellulosic mat.
REFERENCES:
patent: 2960423 (1960-11-01), Kreibaum
patent: 4203255 (1980-05-01), Naslund et al.
patent: 4246310 (1981-01-01), Hunt et al.
patent: 4611979 (1986-09-01), Hegenstaller et al.
patent: 5497826 (1996-03-01), Ingram
Liniak, Berenato & White, LLC
Loney Donald J.
Masonite Corporation
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