Bulge indicating method and device

Details Bulge indicating method and device Bulge indicating method and device

G - Physics

08

B

116/66.3

G08B 5/00 (2006.01)

Patent

CA 1271094

Abstract A method and device for indicating the swelling of a casing or the like having a wall with at least one generally planar portion prone to deformation by pressure buildup within the casing. The device comprises an elongate strip of visible frangible material adapted for spanning superposition with the planar portion of the wall and means for securing opposing ends of the frangible strip to the casing to restrict movement of the ends perpendicular to the planar portion of the wall. Increasing bulging of the wall deflects the frangible strip to the point of fracture thereof. In another embodiment, gaskets may be interposed between the ends of the frangible strip and the wall of the casing to provide a clearance therebetween, thus increasing the permissible degree of bulging of the wall which may occur before deflection of the frangible strip. The method comprises superposing the device in spanning relation with a planar portion of a wall of the casing and securing opposing ends of the frangible strip to the casing to restrict movement thereof perpendicular to the planar portion of the wall.

567932

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