A plastic screen panel (10) is manufactured in two parts. A screen surface (12) is formed to include a plurality of spaced-apart, parallel filter members (16) and a series of top ribs (40) moulded over the filter members (16) to maintain the spacing of the filter members. The screen surface (12) is coupled to a support assembly (14) having a series of bottom ribs (32), which also support and maintain the spacing of the filter members (16).
申请公布号
WO03076042(A1)
申请公布日期
2003.09.18
申请号
WO2003GB00787
申请日期
2003.02.25
申请人
WEATHERFORD/LAMB, INC.;HARDING, RICHARD, PATRICK;MAXON, RICHARD, CHARLES;GILLES, STEPHEN, RAY