Vacuum negative pressure molding device and method of optical fiber and cable outer sheath
A technology for optical fiber cable and outer sheath, which is applied in the field of vacuum negative pressure forming device for outer sheath of optical fiber cable. The effect of safety hazards
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[0019] The present invention will be further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described here are only used to explain the present invention, but not to limit the present invention. In addition, it should be noted that, for the convenience of description, only some structures related to the present invention are shown in the drawings but not all structures.
[0020] The invention provides a vacuum negative pressure forming device for the outer sheath of an optical fiber cable, the structure of which is as follows: figure 1 As shown, the mold 1 is connected to the negative pressure pipe 2, and the negative pressure pipe 2 is provided with a bypass valve 7 for adjusting the pressure in the pipe. The negative pressure pipe 2 is connected to the air inlet of the filter 3, the filter 3 is hollow, and a filter cavity 6 is nested inside, such as figure 2 As shown, a stainle...
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