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    • 4. 发明授权
    • Control joint with tear strip
    • 控制接头与撕裂带
    • US3964220A
    • 1976-06-22
    • US232598
    • 1972-03-07
    • Edward J. RutkowskiGerard T. Sowinski
    • Edward J. RutkowskiGerard T. Sowinski
    • E04B2/74E04F13/06E04B1/41
    • E04B2/7457E04F13/06E04F2013/066
    • A thin semi-rigid preformed elongate strip for disposition at the junctions of adjacent drywall wallboards or between sections of a plaster wall to absorb movement within a wall without detrimental effects therefrom, having two outwardly directed opposed flanges arranged for affixation to the wallboard or the lath outer face along adjacent edges, an adjoining central flexible bent portion arranged to be disposed below the general surface plane of the wall between adjacent edges of boards or sections thereof, and adjoined along its lateral edges to the two flanges, and an upwardly extending screed formed in each flange. In the preferred form, a flat strip extends across the central portion on the face of the strip. This may be of different material and more flexible, and may be formed for rapid removal after completion of the wall construction.
    • 薄的半刚性预成型细长条,用于配置在相邻干墙墙板的接合点处或石膏壁的部分之间以吸收壁内的运动而不受其影响,具有两个向外的相对的凸缘,用于固定在墙板或板条上 相邻边缘的外表面,毗邻的中心柔性弯曲部分,布置成布置成位于板的相邻边缘之间的壁的总表面平面下方,并且沿着其侧边缘与两个凸缘相邻,并且形成向上延伸的刮板 在每个法兰。 在优选的形式中,扁平条延伸穿过条的表面上的中心部分。 这可以是不同的材料并且更具柔性,并且可以形成为在壁结构完成之后快速移除。