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1. 发明授权

US08720466B2 Process for accessing underground pressurized gas main 有权
标题翻译：进入地下加压气主要工艺
公开(公告)号：US08720466B2
公开(公告)日：2014-05-13
申请号：US13569842
申请日：2012-08-08
申请人： Frank Russo , Robert Bentzoni , Lawrence Dowling , Stephen Karner
发明人： Frank Russo , Robert Bentzoni , Lawrence Dowling , Stephen Karner
IPC分类号： F16L41/04 , B23B41/08
CPC分类号： F16L55/17 , F16L41/06 , Y10T137/0402 , Y10T137/0469 , Y10T137/6123
摘要： A process is provided for accessing an underground pressurized gas main for retirement of replacement of the connection of a gas service pipe thereto. A gas main fixture that has a service tee adaptor and a pressurized chamber connected thereto is mounted onto the gas main with the tee adaptor above a tee plug on the gas service pipe. The chamber is closed against gas discharge and the tee plug is unscrewed from the gas service pipe while the pressure chamber is closed. The tee plug is removed through the service tee adapter and pressure chamber while minimizing gas discharged to atmosphere. The plug hole is preferably reamed through the pressure chamber while the chamber is closed to atmosphere, tapped for a straight fine thread, and a main plug with the fine thread is screwed into the tapped hole while limiting its depth of engagement.
摘要翻译：提供了一种用于接近地下加压气体主体以退出更换燃气服务管的连接的过程。具有服务三通适配器和与其连接的加压室的气体主夹具安装在气体主体上，其中T形接头适配器位于气体管道上的T型塞上。在压力室关闭的同时，气室关闭气体排放，三通阀塞从燃气服务管中旋出。通过服务三通适配器和压力室移除T型插头，同时尽量减少排放到大气中的气体。插塞孔优选地通过压力室进行扩孔，同时将腔室关闭到大气中，敲击直线细线，并且将具有细线的主插头螺纹拧入螺纹孔中，同时限制其接合深度。

2. 发明申请

US20140041732A1 Process for Accessing Underground Pressurized Gas Main 有权
标题翻译：主要用于地下加压气体的处理
公开(公告)号：US20140041732A1
公开(公告)日：2014-02-13
申请号：US13569842
申请日：2012-08-08
申请人： Frank Russo , Robert Bentzoni , Lawrence Dowling , Stephen Karner
发明人： Frank Russo , Robert Bentzoni , Lawrence Dowling , Stephen Karner
IPC分类号： F16L41/06
CPC分类号： F16L55/17 , F16L41/06 , Y10T137/0402 , Y10T137/0469 , Y10T137/6123
摘要： A process is provided for accessing an underground pressurized gas main for retirement of replacement of the connection of a gas service pipe thereto. A gas main fixture that has a service tee adaptor and a pressurized chamber connected thereto is mounted onto the gas main with the tee adaptor above a tee plug on the gas service pipe. The chamber is closed against gas discharge and the tee plug is unscrewed from the gas service pipe while the pressure chamber is closed. The tee plug is removed through the service tee adapter and pressure chamber while minimizing gas discharged to atmosphere. The plug hole is preferably reamed through the pressure chamber while the chamber is closed to atmosphere, tapped for a straight fine thread, and a main plug with the fine thread is screwed into the tapped hole while limiting its depth of engagement.
摘要翻译：提供了一种用于接近地下加压气体主体以退出更换燃气服务管的连接的过程。具有服务三通适配器和与其连接的加压室的气体主夹具安装在气体主体上，其中T形接头适配器位于气体管道上的T型塞上。在压力室关闭的同时，气室关闭气体排放，三通阀塞从燃气服务管中旋出。通过服务三通适配器和压力室移除T型插头，同时尽量减少排放到大气中的气体。插塞孔优选地通过压力室进行扩孔，同时将腔室关闭到大气中，敲击直线细线，并且将具有细线的主插头螺纹拧入螺纹孔中，同时限制其接合深度。

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