Film fasteners for flexible sheets

摘要

A film fastening system including a rigid base extrusion, and a locking member which fits into the extrusion to securely hold a sheet such as polyethylene or the like along edges or at its midportions relative to a support. The fastener includes a hinged locking cover which places a clamping force on the sheet being held. The cover also covers the free edge of the sheet material when installed.