Special ductile cast iron wall penetrating pipe
A technology of ductile iron pipes and ductile iron, which is applied in the direction of pipes, pipes/pipe joints/fittings, flange connections, etc., and can solve problems such as easy leakage and water seepage
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[0022] Specific embodiments of the present invention will be described in detail below in conjunction with the accompanying drawings. It should be understood that the specific embodiments described here are only used to illustrate and explain the present invention, and are not intended to limit the present invention.
[0023] In the present invention, unless otherwise specified, the orientation words included in the term such as "up, down, left, right, front, back, inside and outside" only represent the orientation of the term in the normal use state, or the common name understood by those skilled in the art. , and should not be construed as a limitation of this term.
[0024] see Figure 1-2 The special nodular cast iron wall-piercing pipe shown, the special nodular cast iron wall-piercing pipe includes: a wall-piercing sleeve 1 embedded in the wall 6, and a fixing ring 2 is formed on the outside of the end of the wall-piercing sleeve 1 The inner side of the end of the wall...
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Abstract
Description
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