VORRICHTUNG ZUM ZÜCHTEN VON MUSCHELN VOM TYP JAPANISCHE LATERNE

摘要

The device has a maintaining unit to maintain a tubular net (2) in contact with an edgeless plate (1), where the unit is in the form of a frame (3). The frame has a peripheral inner groove (4) on its inner circumference, where the groove allows insertion of a peripheral edge (8) of the plate. The groove has a side (4A) provided with an active support zone (5A) that supports the net on a top surface (6) of the plate, and another side (4B) provided with an active support zone (5B) that supports the net on a bottom surface (7) of the plate.