| 摘要 |
PROBLEM TO BE SOLVED: To provide a simple and strong joint of floor materials capable of fixing a lower part of a groove joint part of a facing floor material to a joist and further fixing the groove joint part of the facing floor material to a tongue joint part of another facing floor material to join the floor materials to each other and to the joist by providing a groove joint part for an upper part of the joist and a metal fitting for the joint part. SOLUTION: By providing the fitting made of stainless metal for the joint part of the upper part of the joist to be integrated with the facing floor material, its joint to the confronting floor materials is facilitated. COPYRIGHT: (C)2006,JPO&NCIPI
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