| 摘要 |
A flexible interlocking element (10) having opposing, interlocking ends (12, 14). Element end (12), features a contour, including element top surface segment (16), extending to bend (18), then defining a tongue element (34) extending downwardly along an incline (19), to inverted bend (20), which defines a tongue side (60) having a tangent (62). The contour of the tongue, further extending downward and around to bend (22), which defines a tongue tip (58). The tongue tip (58) having a bottom (54) with a tangent (56). The tongue further extending upward along incline (26), then further extending horizontally to bend (28), then further extending vertically downward to bend (30). Bend (30) defines the lower edge of bottom surface segment (32). Element end (14) features a contour including element top surface segment (36) extending horizontally to bend (38). A channel (52) is then defined by forming a side face of the element (14) to include, an upwardly extending bend (43), which further extends upward and around to bend (44), then downwardly along an incline to bend (46), which further extends vertically downward to bend (48), which defines the edge of a bottom surface segment (50).
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