Device for preventing entrance of birds in interior of protected place, without perching of birds in device, has fastening mediums, which fixes itself in sides of space that is to be protected

摘要

The device has a fastening medium, which fixes itself in one of the sides of a space that is to be protected. One or multiple mediums are provided, which serve as guide. Another fastening medium is provided for fixing to the other side of the space. Threads, cords or another material which is capable to be strained, preferably elastic of small thickness and translucent are inserted in the former fastening medium. The material is also inserted in the guide medium and the later fastening medium. The mediums when fixed in one and other ends of the space and the threads are inserted, the space remains completely protected.