发明名称 WRITING BOARD AND METHOD FOR MANUFACTURING THEREOF
摘要 A writing board (10) and method for manufacture thereof having a frame (12) molded from lightweight, inexpensive material which dimensionally changes as it ages. The method includes an aging step which permits the frame to become substantially dimensionally fixed. Thereafter a non-porous writing surface (38) is attached to the frame which is adapted to receive and display a mark from dry erase type pens. Molded integrally with the frame is a tray (22) to hold items such as dry-erase pens and erasers.
申请公布号 WO8401328(A1) 申请公布日期 1984.04.12
申请号 WO1983US01013 申请日期 1983.07.05
申请人 SANFORD RESEARCH COMPANY 发明人 BURKHALTER, ROBERT, E.
分类号 B32B5/18;B43L1/00;(IPC1-7):32B31/12;29D27/00 主分类号 B32B5/18
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