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    • 7. 发明公开
    • PROCESS FOR FABRICATING A WRITING BOARD, AND WRITING BOARD OBTAINED WITH SUCH PROCESS
    • HERSTELLUNGSVERFAHREN VON SCHREIBTAFEL,UND DAMIT HERGESTELLTE SCHREIBTAFEL
    • EP1057657A1
    • 2000-12-06
    • EP98954496.0
    • 1998-11-19
    • Guardian Llodio, S.A.
    • ALONSO GOROSTIZA, José AntonioTORRES SANCHO, Rafael
    • B43L1/06B43L1/10
    • B43L1/10B43L1/06
    • A tempered glass sheet (1), with at least one of its faces (2) matted to determine the writing surface of the corresponding writing board, preventing reflections and allowing to view slides on said surface (2) of the glass sheet (1) which makes up the board. On the opposite surface (2'), which may be matted or not, is applied a serigraphy layer (3) of vitrifiable enamel, which layer (3) determines the required opacity. The board may also comprise a tempered glass sheet and another normal glass sheet, and between these the opacity layer, which may consist of the means of attachment of the glass sheets, such as polyvinyl butyral, which will preferably be white in colour, or of by serigraphy of the surface behind the writing surface, in which case the attachment layer will be transparent.
    • 一种钢化玻璃板(1),其表面(2)中的至少一个被磨光以确定相应书写板的书写表面,防止反射并允许在玻璃板(1)的所述表面(2)上观看幻灯片, 这组成了董事会。 在可以被消光的相对表面(2')上施加可玻璃化搪瓷的绢印层(3),该层(3)确定所需的不透明度。 该板还可以包括钢化玻璃板和另一普通玻璃板,并且在这些不透明层之间,其可由玻璃板的附接装置组成,例如优选为白色的聚乙烯醇缩丁醛,或者 通过书写表面后的表面的绢印,在这种情况下,附着层将是透明的。