Post-press molding of man-made boards to produce contoured furniture parts
Patent 4277428 Issued on July 7, 1981. Estimated Expiration Date: 
November 19, 1999. 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.
November 19, 1999. 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 ReferencesPost press molding of man-made boards to produce contoured furniture parts Patent #: 4175106 InventorsAssigneeApplicationNo. 06/095627 filed on 11/19/1979US Classes:264/118, With subsequent cutting, grooving, breaking, or comminuting264/119, With reshaping or surface embossing of formed article264/120, Plural, intermittent pressure applying264/320Reshaping solid work or introducing solid work into mold cavityExaminersPrimary: Czaja, Donald E.Assistant: Hall, James R. Attorney, Agent or FirmInternational ClassesB27N 5/00 (20060101)B27N 7/00 (20060101) AbstractMulti-sided decorative moldings and furniture parts are manufactured by drying or hot-pressing a cellulosic fiber-containing mat to consolidate said mat into a unitary blank, cutting the blank to a size larger than interior dimensions of a closed mold in each of its three dimensions and with at least two generally shaped or profiled edge surfaces disposed between a top surface and a bottom surface of the blank. The cut blank is then molded at a temperature of at least 200° F. for a period of time sufficient to permanently transfer the interior shape and design of the mold cavity to every surface of the blank. | |
