发明名称 Arch corner bead
摘要 An elongated "L" shaped plastic drywall corner strip containing two flat legs joined to form an acute angle, one of which is kerfed repeatedly to increase flexibility and allow installation over inside and outside arches, the outside of the legs having a surface to which joint compound adheres, and a solid bead overarching and/or interior arching the point of junction of the legs.
申请公布号 US5048247(A) 申请公布日期 1991.09.17
申请号 US19890436073 申请日期 1989.11.13
申请人 WELDY, MICHAEL D. 发明人 WELDY, MICHAEL D.
分类号 E04F13/06 主分类号 E04F13/06
代理机构 代理人
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