E04D3/00—Roof covering by making use of flat or curved slabs or stiff sheets
E04D3/36—Connecting; Fastening
E04D3/365—Connecting; Fastening by simple overlapping of the marginal portions with use of separate connecting elements, e.g. hooks or bolts for corrugated sheets
Procede de fabrication d'une platine de fixation, flan decoupe pour la mise en oeuvre d'un tel procede, platine ainsi obtenue et platine de fixation a plaque de base et corps tubulaire d'une seule piece