| 摘要 |
PROBLEM TO BE SOLVED: To provide double screen equipment which can reduce the restriction of a screen design. SOLUTION: This double screen equipment comprises: a winding device 4 with two sets of winding shafts 2 and 3 around which screens can be wound by a stored urging force; two screens 5 and 6 which can be pulled out against the stored urging force from in the state of being wound around the set of winding shafts 2 and 3, respectively; and an opposed-positions adjuster 7 for adjusting opposed positions along the pull-out direction F of the two screens pulled out. In each of the two screens 5 and 6, a plurality of holes 17 are opened in a dispersed state in a screen base material. The adjuster 7 maintains the overlapping or non-overlapping state of the holes 17 and 17 of the two screens 5 and 6 when one screen is straightly seen from the other screen. COPYRIGHT: (C)2007,JPO&INPIT
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