Copper plastic compound pipe
A copper-plastic composite, copper tube technology, applied in the direction of pipes, rigid pipes, pipes/pipe joints/fittings, etc., can solve the problems of liquid leakage and poor fixing effect.
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Embodiment 1
[0033] The copper-plastic composite pipe in this embodiment has a first open end 1 and a second open end 2, and the copper-plastic composite pipe includes a copper pipe layer 3 (see figure 1 and figure 2 ) and the plastic tube layer 4 located inside the copper tube layer 3 (see Figure 4 ), the plastic tube layer 4 radially wraps the end of the copper tube layer 3 at the first open end 1 and forms a wrapping portion 8, and the wrapping portion 8 forms a radial edge along the The foldback 9 extending in the direction of the second open end 2 of the copper pipe layer 3 (see Figure 4 ), here, the height of the turnback 9 is 1 mm, and the inner wall of the turnback 9 is attached and fixed to the outer wall of the copper tube layer 3; the end surface of the first open end 1 of the copper tube layer 3 is formed with A square groove 11, the wrapping part 8 is formed with a square boss that matches and fixes the square groove 11, here, there are four square grooves 11; the copper ...
Embodiment 2
[0035] The copper-plastic composite pipe in this embodiment has a first open end 1 and a second open end 2, and the copper-plastic composite pipe includes a copper pipe layer 3 (see figure 1 and figure 2 ) and the plastic tube layer 4 located inside the copper tube layer 3 (see Figure 4), the plastic tube layer 4 radially wraps the end of the copper tube layer 3 at the first open end 1 and forms a wrapping portion 8, and the wrapping portion 8 forms a radial edge along the The foldback 9 extending in the direction of the second open end 2 of the copper pipe layer 3 (see Figure 4 ), here, the height of the turnback 9 is 2 mm, and the inner wall of the turnback 9 is attached and fixed to the outer wall of the copper tube layer 3; the end surface of the first open end 1 of the copper tube layer 3 is formed with A square groove 11, the wrapping part 8 is formed with a square boss that matches and fixes the square groove 11, here, there are eight square grooves 11; the copper ...
Embodiment 3
[0037] The copper-plastic composite pipe in this embodiment has a first open end 1 and a second open end 2, and the copper-plastic composite pipe includes a copper pipe layer 3 (see figure 1 and figure 2 ) and the plastic tube layer 4 located inside the copper tube layer 3 (see Figure 4 ), the plastic tube layer 4 radially wraps the end of the copper tube layer 3 at the first open end 1 and forms a wrapping portion 8, and the wrapping portion 8 forms a radial edge along the The foldback 9 extending in the direction of the second open end 2 of the copper pipe layer 3 (see Figure 4 ), here, the height of the turnback 9 is 3 mm, and the inner wall of the turnback 9 is attached and fixed to the outer wall of the copper tube layer 3; the end surface of the first open end 1 of the copper tube layer 3 is formed with A square groove 11, the wrapping part 8 is formed with a square boss that matches and fixes the square groove 11, here, there are six square grooves 11; the copper t...
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