| 摘要 |
1.201,102. Edge filters. STELLA META FILTERS Ltd. and K. SENIOR. 27 March, 1969 [2 April, 1968], No. 15803/68. Heading B1D. [Also in Division B3] A filter comprises a stack of split filter rings, each having projections on a face thereof which engage the face of an adjacent ring to define radial passageways for the liquid to be filtered. Each split ring is formed (see Division B3) from a stainless steel, aluminium or titanium wire of circular or rectangular cross-section, and may be provided with a peripheral rim shallower than the projections. |
