Plurality of Studs being Friction Welded to an Exterior Surface of a Curved Structure having a Block Patch and a Member between the Exterior Surface and the Studs
In some implementations, an apparatus including a curved structure having an exterior surface, having an interior surface and having a defect, a device positioned over the exterior surface of the curved structure, a block patch in between the device and the exterior surface of the curved structure, and a plurality of studs and nuts positioned near an outer perimeter of the device, the plurality of the studs being friction welded to the exterior surface of the curved structure.
1 . An apparatus comprising:
a curved structure having an exterior surface, having an interior surface and having a defect;
a steel member positioned over the exterior surface of the curved structure;
a block patch in between the steel member and the exterior surface of the curved structure; and
a plurality of studs and nuts positioned near an outer perimeter of the steel member, the plurality of the studs being friction welded to the exterior surface of the curved structure.
2 . The apparatus of claim 1 further comprising:
a gasket positioned over the defect in the curved structure and under the block patch.
3 . The apparatus of claim 2 wherein the gasket further comprises:
a rubber gasket.
4 . The apparatus of claim 1 further comprising:
the steel member having a length, a width and a thickness, the length of the steel member being greater than the length of the block patch.
5 . The apparatus of claim 2 wherein the gasket further comprises:
a perimeter seal.
6 . The apparatus of claim 1 further comprising:
a tensioner that is secured to the steel member to apply pressure to the block patch.
7 . An apparatus comprising:
a curved structure having an exterior surface, having an interior surface and having a defect;
a rigid patch positioned over the exterior surface of the curved structure;
a block patch in between the rigid patch and the exterior surface of the curved structure; and
a plurality of studs and nuts positioned near an outer perimeter of the rigid patch, the plurality of the studs being friction welded to the exterior surface of the curved structure.
8 . The apparatus of claim 7 further comprising:
a gasket positioned over the defect in the curved structure and under the block patch.
9 . The apparatus of claim 8 wherein the gasket further comprises:
a rubber gasket.
10 . The apparatus of claim 7 further comprising:
the rigid patch having a length, a width and a thickness, the length of the rigid patch being greater than the length of the block patch.
11 . The apparatus of claim 8 wherein the gasket further comprises' a perimeter seal.
12 . The apparatus of claim 7 further comprising:
a tensioner that is secured to the rigid patch to apply pressure to the block patch.
13 . An apparatus comprising:
a curved structure having an exterior surface, having an interior surface and having a defect;
a strap positioned over the exterior surface of the curved structure;
a block patch in between the strap and the exterior surface of the curved structure; and
a plurality of studs and nuts positioned near an outer perimeter of the strap, the plurality of the studs being friction welded to the exterior surface of the curved structure.
14 . The apparatus of claim 13 further comprising:
a gasket positioned over the defect in the curved structure and under the block patch.
15 . The apparatus of claim 14 wherein the gasket further comprises:
a rubber gasket.
16 . The apparatus of claim 13 further comprising:
the strap having a length, a width and a thickness, the length of the strap being greater than the length of the block patch.
17 . The apparatus of claim 14 wherein the gasket further comprises:
a perimeter seal.
18 . The apparatus of claim 13 further comprising:
a tensioner that is secured to the strap to apply pressure to the block patch.