| 摘要 |
A panel 10 is formed with first and second joint systems 20 and 22 to enable engagement of a plurality of panels 10 along their sides 16 and 18. The first joint system 20 has a laterally extending tongue 24a along one longitudinal side 16a and a groove 24b along an opposite longitudinal side 16b. The second joint system 22 is a vertical joint system having mutually engageable male and female parts Jm and Jf respectively. The male part Jm is formed on one transverse the side 18a, while the female part Jf is formed on an opposite transverse side 18b. |
