22,263. Leigh & Sons, R. & H., and Leigh R. Oct. 9. Walls.-Ties for cavity-walls are made with the central portion a in the form of a hollow arch, as shown in Figs. 1 and 2. The ends of the tie may be flat or corrugated.
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机译：22,263。 Leigh＆Sons，R.＆H.，和Leigh R. R.，10月9日。墙壁-空心墙的绑带的中部a为空心拱形，如图1和2所示。如图1和2所示。扎带的末端可以是平的或波纹的。
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