14-02-2019 дата публикации
Номер: US20190048594A1
Принадлежит:
This invention relates to a board with tongue and tenon and method for manufacture of the board with tongue and tenon. Board with tongue and tenon, which can be joined together without using other tools, comprises a hard board having a rectangular shape having a top side, a bottom side, a first lateral side opposite to and parallel with a second lateral side and perpendicular to a third lateral side opposite to and parallel with a fourth lateral side, the first lateral side and the third lateral side having a male connector thereon and the second lateral side and the fourth lateral side having a female connector thereon, characterized in that said insertion of the male connector into the female connector moves along a curve which is a part of a first ellipse; a second ellipse; and a third ellipse, wherein the first ellipse, the second ellipse, and the third ellipse are concentric. 113456785796810. A board with tongue and tenon comprising a hard board () having a rectangular shape having a top side () , a bottom side () , a first lateral side () opposite to and parallel with a second lateral side () and perpendicular to a third lateral side () opposite to and parallel with a fourth lateral side () , the first lateral side () and the third lateral side () having a male connector () thereon and the second lateral side () and the fourth lateral side () having a female connector () thereon wherein{'b': 9', '5', '7', '1', '11', '13', '17', '45', '41', '11', '21', '25', '29', '19', '17', '21', '27', '25', '29', '13', '33', '37', '39', '37', '41', '35', '33', '37', '35', '29', '4', '1', '17', '21', '3', '1', '29', '4', '1', '41', '41', '39', '45, 'the male connector () protrudes from longitudinal lateral sides of the first side () and the third side () of the hard board () and comprises a tongue (), a tenon (), a male connector upper edge surface (), a male connector lower edge surface (), and a male connector lower inner surface (); the tongue () having a tongue upper ...
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