Plastic and nonmetallic article shaping or treating: processes – With step of making mold or mold shaping – per se – Utilizing surface to be reproduced as an impression pattern
Reexamination Certificate
2007-01-09
2007-01-09
Kuhns, Allan R. (Department: 1732)
Plastic and nonmetallic article shaping or treating: processes
With step of making mold or mold shaping, per se
Utilizing surface to be reproduced as an impression pattern
C264S220000, C264S230000, C264S257000, C264S338000
Reexamination Certificate
active
10789550
ABSTRACT:
A method for facilitating the fabrication of a hard cover for an article is provided. The method includes positioning shrinkable material over at least a portion of the article and shrinking the shrinkable material to form a fitted cover for the portion of the article. A layer of molding material is applied overlying the fitted cover to form a hard cover for the portion of the article.A method for facilitating fabrication of a first article from a second article is also provide. The method includes positioning shrinkable material over at least a portion of the second article and shrinking the shrinkable material to form a fitted cover for the portion of the second article. A first layer of molding material is applied overlying the fitted cover to form a mold. The mold has a surface which is a negative impression of at least a portion of the fitted cover. The mold is removed from the fitted cover and a second layer of molding material is applied overlying the surface of the mold to form the first article.
REFERENCES:
patent: 4155970 (1979-05-01), Cassell
patent: 4704129 (1987-11-01), Massey
patent: 6881370 (2005-04-01), Meyer
Kuhns Allan R.
Snell & Wilmer L.L.P.
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