Forming process of double-cavity tube and double-cavity tube
A molding process and cavity tube technology, applied in the direction of catheters, hollow probes, etc., can solve the problem that the effective area of the cavity is difficult to fully utilize, and achieve easy molding quality control, high cavity utilization rate, and large effective utilization area. Effect
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Embodiment 2
[0068] The molding process of the double-lumen tube in the embodiment itself is different from the first embodiment in that: in step S4, the inner lumen tube 10 and the outer lumen tube 20 of the wall-adhesive part are welded, including:
[0069] The ends of the inner lumen tube 10 and the outer lumen tube 20 away from the wall sticking portion are not welded.
[0070] It can be understood that the inner lumen tube 10 and the outer lumen tube 20 of the double lumen tube can be respectively connected with external joints after molding. In this embodiment, the ends of the inner lumen tube 10 and the outer lumen tube 20 away from the wall-adhesive part are not welded, that is, the outer wall of the inner lumen tube 10 near the middle part of the wall-adhesive part and the inner wall of the outer lumen tube 20 are welded, and The outer wall of the inner lumen tube 10 and the inner wall of the outer lumen tube 20 at the opposite ends of the wall-adhesive portion are not welded, so ...
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Abstract
Description
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Application Information
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