Plastic film retaining and tensioning element

Details Plastic film retaining and tensioning element Plastic film retaining and tensioning element

A - Human Necessities

44

B

24/63.2

A44B 99/00 (2010.01) F16B 5/06 (2006.01)

Patent

CA 1247838

ABSTRACT OF THE DISCLOSURE A clip fixing for retaining thin plastics film material in tension formed of a pair of elongate channel members removably assembled together in inverted relationship. The film material passes through the fixing between opposed cooperating complementary sinuous surfaces of the flanks of the channel members and in so doing passes over surface portions of the fixing at the entrance to the cooperating surfaces of each flank pair, which are exposed to direct ultra-violet radiation. To avoid degradation of the plastics at these surface portions, a cover or shield is provided on one of the channel members to cover or shield these surface portions from such direct radiation. The cover or shield may be integrally formed with one of the channel members or removably affixed thereto.

461799

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