| 摘要 |
PROBLEM TO BE SOLVED: To provide flooring and its joint structure allowing plates to be easily and firmly combined to one another. SOLUTION: A tongue having an inclined projection with one side inclined is provided at one end of a plate and a groove having both an inclined groove which allows the inclined projection to enter and a mount for setting a nail is provided at the other end to obtain the flooring. The joint structure serving as the joint of the flooring is set to allow the inclined projection into the inclined groove and the nail is anchored into the groove side of the mount so as to eliminate the need for the nail to be driven in with a punch.
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