| 摘要 |
1464173 Forms of wood WEYERHAEUSER CO 14 Jan 1974 [20 Feb 1973] 39352/76 Divided out of 1464171 Heading B5L The disclosure is identical with that in the parent Specification 1464171, but the claims relate to a lumber product comprising at least two sector pairs bonded together edgewise into a generally planar shape, each of the sector pairs defining a parallelogram in cross-section and being comprised of two sector-shaped pieces 60 each having substantially the same included angle between its radial faces, the pieces being cut from generally cylindrical logs, bonded together along their opposed radial faces 52 such that the thin edge of one is approximately adjacent the thick edge of the other, and machined to the cross-sectional shape of a parallelogram. A product formed by cutting the above product along spaced parallel planes, e.g. as indicated in dash-dot lines, is also claimed. |
