Multi-use hatch cover for ducts having a curved circumference

Details Multi-use hatch cover for ducts having a curved circumference Multi-use hatch cover for ducts having a curved circumference

E - Fixed Constructions

05

D

E05D 15/54 (2006.01)

Patent

CA 2744614

This invention provides a hatch cover suitable for use with fluid ducts having a wide range of diameters, the hatch cover is formed from a plate of a resilient material and is generally of an elongated shape The resilient material forming the plate has sufficient elasticity to be able to conform to the curvature of the inner surface of a fluid duct when the cover is in place and is held against the inner surface to cover an opening through the duct wall A flexible gasket material is secured to at least the entire circumferential edge portion of the outer major surface of the resilient plate The resilient plate is secured to the duct by a plurality of clamping mechanisms attached to the outer surface of the resilient plate so as to press on the outer surface of the duct when clamped.

La présente invention concerne un couvercle découtille pouvant être utilisé pour des conduites de liquide ayant un large éventail de diamètres, le couvercle découtille étant formé à partir dune plaque de matériau élastique et étant généralement de forme allongée. Le matériau élastique formant la plaque a une élasticité suffisante pour pouvoir épouser la courbe de la surface intérieure dune conduite de liquide lorsque le couvercle est en place et est maintenu contre la surface intérieure pour obturer une ouverture pratiquée à travers la paroi de la conduite. Un matériau détanchéité flexible est fixé à une partie de bord circonférentiel entier au moins de la principale surface extérieure de la plaque élastique. La plaque élastique est fixée à la conduite par une pluralité de mécanismes de serrage fixés à la surface extérieure de la plaque élastique de façon à appuyer sur la surface extérieure de la conduite une fois serrés.

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