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2023
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Invention
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Wiring mechanism for 90-degree gas pipe fitting and operating method therefor. Disclosed in the p... |
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Invention
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Water circuit system with circulating hot water and control method therefor. Disclosed in the pre... |
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Invention
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Pipe-in-pipe forming die and method. Disclosed in the present invention are a pipe-in-pipe formin... |
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Invention
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Pressure-bearing ppr device specially for explosion-proof pipe. A pressure-bearing PPR device spe... |
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Invention
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Multifunctional visual precise pressure control apparatus special for running water and pressure ... |
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Invention
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Method and device for preparing high-toughness pp-r plastic pipeline by means of vibration-temper... |
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Invention
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Welding machine for water engineering pe floating balls , and operation method therefor. Disclose... |
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Invention
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Multi-cavity elbow forming mold without ejector rod and operating method therefor. A multi-cavity... |
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2022
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Invention
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Device and method for prefabricating cable groove of smart pipe. A device and method for prefabri... |
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Invention
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Intelligent pipeline production device and pipeline production method. An intelligent pipeline pr... |
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Invention
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Hydrogen and natural gas mixed energy transmission pipeline and preparation method therefor. Disc... |
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Invention
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Structural design and verification method for metal withholding pipe fitting of oil field pipe. D... |
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Invention
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Gas permeation detection device for lined pipe. A gas permeation detection device for a lined pip... |
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Invention
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Gas permeation detection device for penetration pipeline and operation method. A gas permeation d... |
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Invention
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Ultra-thin polyethylene pipeline production device and production method. Disclosed in the presen... |
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Invention
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High-pressure connecting structure for steel wire mesh reinforced composite pipes and manufacturi... |
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2021
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Invention
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Gradient distribution algorithm-based optimal sensor arrangement method. Disclosed in the present... |
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Invention
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Steel wire mesh reinforced composite pipe high-voltage connector, and manufacturing method theref... |
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Invention
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Paraffin-deposition-preventing intelligent pipeline system for oil field. A paraffin-deposition-p... |
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Invention
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High-precision automatic flanging apparatus. Disclosed in the present invention is a high-precisi... |
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Invention
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Method for calculating diameter reduction amount of fluorosilicone-modified pert barrier liner pi... |
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Invention
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Non-destructive lining device and method for lining core pipe in lining process. Disclosed in the... |
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Invention
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High-temperature pipeline blasting test apparatus and method. A high-temperature pipeline blastin... |
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Invention
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Pipe pressure resistance testing device and testing method thereof. A pipe pressure resistance te... |
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Invention
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Nondestructive variable-temperature testing apparatus and method for mechanical properties of mat... |
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Invention
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Device and method for compounding reinforced composite pipe of completely bonded type. The presen... |
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Invention
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Scale and paraffin removal device and method for oil field pipe. A scale and paraffin removal dev... |
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Invention
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Multi-functional polyethylene composite pipe for liquid food delivery and manufacturing method. A... |
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Invention
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Non-metal composite pipe flaring device. A non-metal composite pipe flaring device, relating to t... |
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2020
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Invention
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Manufacturing method for high-rigidity pe pipeline. Disclosed a manufacturing method for a high-r... |
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Invention
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Double-layer hollow pipe mold. The present invention provides a double-layer hollow pipe mold, co... |
