| 摘要 |
The invention relates to a screening device and a screen frame for a screening device in a glasshouse comprising a screen frame, a fabric screen, a guide for guiding between an opened position and closing position, a coupling means, and a flexible element which is connected releasably to the screen frame and which protrudes from one side of the screen frame, wherein the screen frame has a rolled profile, wherein the profile has a substantially C-shaped cross-section. The invention also relates to a glasshouse comprising a glasshouse frame of columns, fixed members and gutters, wherein a screening device is arranged between the fixed members, wherein the screening device comprises a screen frame. The invention further relates to a method for manufacturing a screening device, comprising of providing a guide in a roof of a glasshouse, providing a supply of rollable material on site, rolling the rollable material on site to form a screen frame, placing the screen frame in the screening device and coupling the screen frame to the guide.
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