Fittings for mounting a pane or a sheet in a rabbet

Claim 1

A JOINT FOR MOUNTING SHEET MATERIAL IN A GROOVE IN A STRUCTURAL MEMBER, SAID JOINT COMPRISING AN ELONGATE BODY OF FLEXIBLE AND ELASTIC MATERIAL HAVING A U-SHAPED CROSSSECTION AND A LONGITUDINALLY EXTENDING LATERAL FLANGE LOCATED AT THE TOP OF THE BODY CORRESPONDING TO THE TOP OF ONE OF THE BRANCHES OF THE U AND EXTENDING LATERALLY IN A DIRECTION SUBSTANTIALLY PARALLEL TO THE BASE OF THE BODY CORRESPONDING TO THE BASE OF THE U, AN ELONGATE METAL FRAME HAVING A SUBSTANTIALLY SIMILAR CROSS-SECTIONAL SHAPE TO SAID BODY, SAID BODY HAVING A LONGITUDINAL PASSAGE HAVING A SUBSTANTIALLY SIMILAR SHAPE AND SIZE TO SAID FRAME, SAID FRAME BEING DETACHABLY LOCATED IN SAID PASSAGE, THE FLANGE OF SAID BODY BEING DIVIDED INTO TWO LIPS BY THE FLANGE PART OF SAID PASSAGE AND THE FLANGE OF SAID FRAME EXTENDING BETWEEN SAID LIPS, THAT ONE OF SAID LIPS WHICH IS LOCATED ABOVE THE FLANGE OF SAID FRAME COVERING BUT BEING RESILIENTLY AND TEMPORARILY DEFORMABLE AWAY FROM SAID FRAME FLANGE SO AS TO PERMIT TEMPORARILY LAYING BARE THE TOP FACE OF SAID FRAME FLANGE AND FIXING SAID FRAME FLANGE AND SAID BODY TO SAID STRUCTURAL MEMBER BY FIXING MEANS, SAID BODY HAVING A CAVITY FORMED BY THE PORTIONS OF SAID BODY CORRESPONDING TO THE BRANCHES OF THE U AND ADAPTED TO RECEIVE A MARGINAL PORTION OF SAID SHEET MATERIAL, AND APERTURES FORMED IN THE FLANGE OF SAID FRAME FOR RECEIVING SAID FIXING MEANS.