Paper additive for hot-pressed forms and hot-pressed forms using it
December 23, 2014. Estimated Expiration Date is calculated based on simple USPTO term provisions. It does not account for terminal disclaimers, term adjustments, failure to pay maintenance fees, or other factors which might affect the term of a patent.Patent ReferencesMethod of processing laminated decorative sheet for imparting permanent shape thereto Simulated granite and its preparation Molded article, the method for manufacturing the same and the dies therefor Mineral-resin matrix Method for producing molded products having unevenness tuned with ink patterns Method of fabricating simulated stone surfaces and improved simulated stone products Polymer partculates for molding and the like Method and apparatus for continuous casting of polymerizable material Method and apparatus for continuous casting of polymerizable thermosetting material Artificial granite solid material Patent #: 5338584 InventorsAssigneeApplicationNo. 364396 filed on 12/23/1994US Classes:428/211.1, Including paper layer156/61, Simulated products of nature162/146, Synthetic (including chemically modified cellulose)428/15, THREE DIMENSION IMITATION OR "TREATED" NATURAL PRODUCT428/207, Including coloring matter428/323, Including a second component containing structurally defined particles428/402, Particulate matter (e.g., sphere, flake, etc.)428/411.1, COMPOSITE (NONSTRUCTURAL LAMINATE)428/473.5, Of polyimide428/481, Next to cellulosic428/511Paper or woodExaminersPrimary: Krynski, WilliamAttorney, Agent or FirmForeign Patent References
International ClassesB32B 003/00B32B 007/00 B32B 029/00 Foreign Application Priority Data1992-01-16 JPAbstractInorganic or organic particles have been used in the past as paper additives for hot-pressed forms to impart the pattern of granite thereto, but when these are boiled in hot water, for example, an uncountable number of small blisters result, lowering the commercial value of the product; however, according to the present invention it is possible to obtain an additive for forming patterns by grinding to desired particle sizes colored paper which has undergone water-resistance treatment with a thermosetting resin, and by selecting the color of the colored paper, a pattern may be selected as desired having spots of any desired color or size. With patterned paper manufactured by adding these paper additives during the paper manufacturing process, there is no occurrence of the above mentioned blisters and a clear pattern may be formed, and therefore hot-pressed forms utilizing have a natural granite image.Other References
Field of SearchSimulated products of natureColor Organic additive Inorganic additive Synthetic (including chemically modified cellulose) Coloring agent Inorganic RANDOM VARIEGATED COLORING DURING MOLDING THREE DIMENSION IMITATION OR "TREATED" NATURAL PRODUCT Fibers With component conforming to contour of nonplanar surface Translucent outer layer Intermediate layer contains particulate material (e.g., pigment, etc.) Translucent layer comprises natural oil, wax, resin, gum, glue, gelatin Next to cellulosic Next to cellulosic Next to cellulosic Paper or wood Ester, halide or nitrile of addition polymer Of polyimide | |
