摘要 |
a printing screen (112), comprising a sheet, at least sections of at least one pair of opposite edges of which include one of engagement apertures (124) or engagement projections; and a supporting frame (114) including at least one pair of interface units (116,117) which are attached to the at least one pair of opposite edges of the printing screen (112), wherein the interface units (116, 117) each comprise at least one coupling element (130) which includes the other of engagement apertures or engagement projections (158) for inter-engaging with the one of engagement apertures (124) or engagement projections at a respective one of the opposite edges of the printing screen (112), and an interface member (126) which includes a coupling slot (142) for captively receiving the at least one coupling element (130) therein. ® KIPO & WIPO 2009 |