| 摘要 |
<p>PCT No. PCT/GB89/00570 Sec. 371 Date Mar. 23, 1990 Sec. 102(e) Date Mar. 23, 1990 PCT Filed May 23, 1989 PCT Pub. No. WO89/11229 PCT Pub. Date Nov. 30, 1989.The invention provides an apparatus for cutting or paring a slice of material from a block (17) of material which has a lamina or strata structure, comprising a reciprocable blade (11) having a cutting edge (20, 21) arranged to enter and traverse the block of material to remove a slice therefrom during a forward or cutting stroke of the blade, in which means is provided to move the cutting edge of the blade in a direction having a component transverse to the direction of reciprocation of the blade after the blade has penetrated a short distance into the block thus to pare the slice from the remainder of the block substantially following the path of a boundary between lamina or strata in the block. In a preferred form the blade is wider than the slice to be cut and is formed with inclined portions 11c, 11d) at its leading or cutting edge, which portions are arranged so that the cutting edge of the blade is in the form of wide angled "V".</p> |
