Fastening assembly for roofs of soft material

Details Fastening assembly for roofs of soft material Fastening assembly for roofs of soft material

F - Mech Eng,Light,Heat,Weapons

16

B

85/105

F16B 35/04 (2006.01) E04D 3/36 (2006.01) E04F 13/08 (2006.01) F16B 37/12 (2006.01)

Patent

CA 1273234

ABSTRACT A fastening assembly for use in attaching articles to soft materials such as gypsum based and light weight concrete roofing. The assembly includes an anchoring element which has a high thread and an axial bore in one end. The thread has an included angle of less than 45° and terminates in a sharp edge at the free end of the anchoring element. A headed screw is driven into the bore and becomes fixed to the anchoring element. A flange is integrally molded and frangibly connected to the bored end of the anchoring element, and becomes a washer upon breaking away therefrom.

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