Plastic and nonmetallic article shaping or treating: processes – Vacuum treatment of work
Reexamination Certificate
2005-06-28
2005-06-28
Lechert, Jr., Stephen J. (Department: 1732)
Plastic and nonmetallic article shaping or treating: processes
Vacuum treatment of work
C264S112000, C264S113000, C264S119000, C264S122000, C141S011000
Reexamination Certificate
active
06911167
ABSTRACT:
Method for loading ceramic moulds presenting a die plate having at least one forming cavity in which a die is slidingly received, comprising the following operative steps for each complete loading cycle: preparing a powder layer at least the upper part of which has properties conforming to the required aesthetic characteristics of the exposed face of the tile; transferring said layer to above said at least one forming cavity; depositing into said at least one cavity a powder layer having a thickness greater than that necessary to obtain the desired tile thickness, and before pressing removing, by suction, the surface layer of the powder contained in the mould cavity, without appreciable mixing of the powder present at the interface between the surface layer and the underlying material.
REFERENCES:
patent: 6684913 (2004-02-01), Rivola
patent: 1 074 361 (2001-02-01), None
patent: 1 402 317 (1965-06-01), None
patent: 09 048021 (1997-02-01), None
Browdy and Neimark , P.L.L.C.
Lechert Jr. Stephen J.
Sacmi-Cooperativa Meccanici Imola-Soc. Coop. A.R.L.
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