Whitehouse方法的改进Whitehouse成为Russell在1823年建立的Crown钢管厂的经理,他作为一个发明家就更加活跃了。他是第一个在钢管端部攻丝并且在内壁手工制造内配合螺纹的人。钢管接头能承受与钢管本身相同的内压。他还发明了好多种接头的加工方法,比如弯头和T型接头,打开了新? Whitehouse Method Improvement Whitehouse became the manager of Russell’s Crown Tube Plant, established in 1823, and he became even more active as an inventor. He was the first one to tap at the end of a steel pipe and fit the thread inside hand-made inner walls. Steel pipe joints can withstand the same internal pressure as the steel pipe itself. He also invented a variety of joint processing methods, such as elbow and T-type connector, opened a new?