Matches 1 - 36 out of 36
Match Document Document Title
7437815 Systems adapted to cooperate with an aperture forming tool and methods  
Systems and methods are provided wherein a tube insert is at least partially disposed within the end portion of a tube. An alignment fixture can be used to assist in forming an aperture through the...
7350533 Method for accessing a pipe and apparatus therefor  
Method and apparatus for accessing the inside of a pipe includes a valve which connects to the pipe, a riser pipe, and an operating rod for selectively opening and closing the valve. The apparatus...
7325559 Method for connecting a branch pipe to a main pipeline and underground network for distributing fluid  
Method in which the following operations are carried out: a) digging an exploration hole ( 8 ) in order to open up a main pipeline ( 2 ) which has an upper edge ( 10 ) which extends at an upper...
7311114 Cross-line plugging system  
A method of providing access to the interior of a cross-line that intersects with a primary pipeline of equal or greater diameter, including the steps of attaching a branch fitting to the exterior...
7281543 Apparatus, systems and methods for plugging a high temperature pipe  
A method of plugging a pipeline includes the steps of welding onto the exterior of the pipeline ( 10 ) first ( 12 ) and second ( 14 ) spaced apart collars, each having a sealing face ( 26,26 A) in...
7270139 Cam-assisted, wedge actuated, metal-to-metal seal, block and bleed plugging tool  
A system and method of plugging a pipe including sealably securing onto the exterior of a pipe first and second spaced apart collars, each collar having a sealing face in a plane perpendicular the...
7021325 Valve assembly and method for hot tapping a line  
A valve assembly includes a valve body with an access opening in which a linearly installed but pivotally operated gate-like valve-stopping mechanism is disposed, said mechanism including a support...
6811356 Cable and method for laying in plastic tubes  
A cable for laying in plastic tubes for transporting gas or water is described that comprises a cable core assembly and a plastic sheath surrounding the cable core assembly, in which cable the...
6745791 Service tools for pipelines containing conduit or cable  
Pipeline stopping tools for use in temporarily stopping flow in a pipeline have features for centering a conduit or cable within the pipeline. The conduit or cable is guided into a recess, to avoid...
6691734 Methods and systems for installing cable and conduit in pipelines  
A method, system and tools for introducing a fiber optic conduit into a pressurized gas pipeline includes the step of introducing a translating member into the pressurized gas pipeline via an entry...
6691728 Methods and systems for installing a pipeline within a pipeline  
A method of routing a new pipe duct into an existing pressurized gas pipeline includes the step of introducing a translating member into the pressurized gas pipeline via an entry port in a first...
6691727 Device and method for protecting a subterranean pipe from damage during excavation  
A system and method is claimed for protecting sections of a buried utility pipe that will eventually be excavated and exposed for tapping purposes. The system includes a protective collar that is...
6622747 Cutting, valve insertion and corrosion-resistant works without fluid supply interruption  
A fluid supply interruption free cutting apparatus of the present invention comprises a seal-up housing and a drill. The drill has a milling cutting tool turned by a motor. The seal-up housing is...
6338359 Dual automatic insertion device  
A probe structure for inserting into and operating upon an object within a pipeline, especially a high pressure pipeline carrying liquid or gas, is characterized by two coaxial cylinders that can...
6105595 Method, system, and apparatus for automatically preventing or allowing flow of a fluid  
An automatic fluid valve (25) includes a drive member (32) having an aperture (43) and a driven member (54). The automatic fluid valve (25) also includes at least one torque transfer member (38)...
6003537 Removable penetration fittings using T-fitting and flexible pipe combination  
A T-fitting such as for use inside a containment box for connecting a primary pipeline to a gasoline dispenser has two flanges which connect to the pipeline and a main T-element sealed to each...
6000419 Connection system for a pressure cylinder  
A connection system for a pressure cylinder (5) comprises a check valve (4) located in the neck (15) of the pressure cylinder (5) and which is equipped with a gas removal connection opening and can...
5988199 Corporation stop assembly  
A fitting for coupling a service line to a polyethylene fluid distribution pipe such as a water main or a gas main includes a stub length of polyethylene pipe that serves as a base for attaching a...
5971001 Fitting assembly and method for tapping into a conduit  
A fitting assembly and method for attaching to a fluid flow conduit in which a clamp having a threaded port is secured around the conduit. A threaded bushing is inserted into the threaded port and...
5967168 Method of connecting branch pipe  
A method of connecting a branch pipe to an existing main pipe is disclosed. The method includes the steps of: connecting and communicating a branch-pipe joint having a branching pipe portion to an...
5924436 Connecting construction of branch pipe and connecting method thereof  
A connecting construction of a branch pipe is disclosed. The construction includes a branch-pipe joint fixed to an outer peripheral face of an existing pipe and attached to a passage forming member...
5660199 Method and valve for hot tapping a line  
A method of hot tapping a pipeline includes the step of providing a valve having a valve body, a bonnet on the valve body, and means in the form of an isolating mechanism for enabling a user to...
5653253 Safety arrangement  
In a double valve (4) for transportable containers (1) for distribution a liquid under pressure of a gas, a safety arrangement is adapted for preventing a person, who tries to dismount a valve...
5163462 Apparatus for tapping a fluid through a wall  
An apparatus for tapping a fluid through a wall, comprising a vacuum source (24), a tapping head (1) provided at the front thereof with a circumferential seal (3) bounding a contact area,...
4978255 Tapping fluid supply pipes  
A fluid supply pipe (1) is drilled and tapped using a saddle (2) adhered to its surface, the drilling and tapping tools being attached to the saddle. The saddle (2) comprises a sole plate (3)...
4779636 Installing reservoir taps  
This process permits an inlet/outlet to be established in a liquid filled tank using an underwater diver without the necessity of draining or otherwise putting the tank out of service. The diver...
4606367 Apparatus and method for relieving pressure within a high pressure tank  
An apparatus and associated method for relieving the pressure within a high pressure tank having an opening plugged by a broken safety valve of a special type utilizes a mechanism acting between...
4497332 Apparatus for servicing gas lines  
An apparatus and method for working on a section of gas main while it is in service comprising a work chamber formable around a section of the gas main and having means for admitting a tool thereto...
4411459 Branch fitting for providing access to the interior of a pipe  
A branch fitting for providing access to the interior of a pipe, the fitting having first and second body portions each having a semi-cylindrical surface adapted to sealably engage the pipe, the...
4331170 Hot tap apparatus and method  
A thermowell or the like is installed in a pipe or similar member without taking the member out of service by first welding an adapter to the surface of the member at the point where the thermowell...
4327760 Non-interrupting gas meter exchange system  
A method and apparatus for exchanging a gas meter without interrupting customer service. The apparatus preferably comprises a rigid frame for temporarily securing a meter to be exchanged...
4153067 Method and apparatus for providing removable Service to connections to a high pressure main  
A sacrificial top tap T and the method of using such a T to tap into a main supply pipe in such a manner that the T may ultimately be plugged and the greater portion thereof removed from the main...
3364939 Method of tapping prestressed pipes  
3148690 Method and apparatus for changing gas meters  
3108499 Method and apparatus for severing section of fluid pipeline therefrom  
RE00045 Title is not available  
Matches 1 - 36 out of 36