| 摘要 |
<p>Bandsaw blade with teeth in recurrent groups, where all groups contain the same number of teeth, said number being fron two to six, and where the teeth within one group have the same heights, setting and pitch distances as the corresponding teeth in any other group, and where the inter-group distances (13,23,33,43) from the last tooth in one group to the first tooth in the following group is different between successive pairs of groups, said difference being produced as a difference in length of a generally flat gullet bottom. <IMAGE></p> |
