Improved roof drain

Details Improved roof drain Improved roof drain

E - Fixed Constructions

04

D

E04D 13/04 (2006.01)

Patent

CA 2200141

An improved roof drain is provided having a wide flange, a base, and a means to secure attachments such as strainers to the base. The attachment means is characterized by being simple and permanent. In one embodiment, the strainer contains a peripheral flange which is rolled-into the large horizontal flange of the base during fabrication. Other attachments such as gravel stops and the like may be attached in a similar fashion. The base is an integral piece typically made from spun aluminum. An alternative embodiment includes a two-part generally annular clamping ring, the lower portion of which includes integral threaded studs. The lower portion of the clamping ring is permanently attached to the base again by being rolled into the large flange on the base.

Cette invention concerne un égout de toit amélioré comportant un large rebord, une base et des moyens pour fixer des accessoires, des crépines par exemple, à la base. Les moyens de fixation ont pour caractéristiques la simplicité et la permanence. Dans une variante de l'invention, la crépine comporte un rebord périphérique assemblé au large rebord de la base par laminage en cours de fabrication. D'autres accessoires comme des arrêts à gravier et objets analogues peuvent être fixés de façon similaire. La base est monopièce, typiquement en aluminium repoussé. Une autre variante de l'invention comprend un collier de serrage deux pièces généralement annulaire dont la partie inférieur comporte des goujons filetés intégrés. La partie inférieure du collier est fixée à demeure à la base, elle aussi par laminage au large rebord.

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