Casing gap blocking device and blocking method
A plugging device and casing technology, which is applied in the direction of pipes, pipes/pipe joints/fittings, mechanical equipment, etc., can solve the problem of low mortar/concrete bonding strength, small point contact area of flat chisels, and poor sealing of casing gaps and other problems, to achieve the effect of fast hardening operation time, avoiding processing difficulty and improving sealing performance
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[0034] The core of the present invention is to provide a casing gap plugging device to improve the sealing performance of the casing gap. Another core of the present invention is to provide a method for sealing gaps in casing.
[0035] In order to enable those skilled in the art to better understand the technical solutions of the present invention, the present invention will be further described in detail below with reference to the accompanying drawings and embodiments.
[0036] Please refer to Figure 3 to Figure 6 In a specific embodiment, the casing gap plugging device provided by the specific embodiment of the present invention includes a pipe 1, a reinforcing plate 4, a backing ring 3, a casing 2 sleeved outside the pipe 1, and a backing ring 3. The outer wall of the pipe 1 is sleeved, the side of the reinforcing plate 4 is fixedly connected to the outer wall of the pipe 1, and the length of the reinforcing plate 4 extends along the axial direction of the pipe 1. Specificall...
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