| 摘要 |
<p>1536467 Rotary cutter drums MASSON SCOTT THRISSELL ENG Ltd 15 Jan 1976 [17 Jan 1975] 2077/75 Heading B4B A rotary cutter drum for cutting a continuous web of material into discrete lengths comprises a load carrying member 5, a block 8 for attachment of a blade 11 and a filling 12 of non-load carrying light-weight material. The loadcarrying member comprises a central web 6 and webs 7 connected to the block 8. The member may be cast or made of welded parts A balancing mass 9 is provided. The lightweight material is preferably a rigid plastics foam, such as polyurethane foam.</p> |
