| 摘要 |
<p>A cutting blade (2) for cutting a strip material (B) such as a strip of straws or similar articles sealed between paper of plastics film, is reciprocated along an actuating direction inclined by an angle theta to a line (P) normal to said strip material, and the cutting edge is inclined by an angle alpha with respect to a line parallel to said strip material such that the leading end of the edge with respect to said actuating direction will contact the strip material first.</p> |
