Method for closing broken or cracked pipeline, involves separating broken or cracked pipe section by flange of pipeline that is lying sealed below breakage
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Device for the gas-tight connection of a plastic pipe to a steel pipe
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Connection device for connecting underground plastic gas pipe with steel gas pipe laid in building, has connection pipe whose one end is mounted in structure of steel pipe and another end is attached outside structure of gas pipe
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Method for removing and closing branches in gas lines in operation and suitable plugs
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Stopper for sealing gas pipe lines, has gasket and two bodies pressed against each other by clamping bolt, where one of bodies is provided with peripheral groove for receiving expandable gasket
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Device for separating a pressurized supply line from a gas outlet connection pipe attached to the branch of the T-fitting
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Longitudinal seam-welded gas-supply pipes sealing plug for pipe inserting tool, has screw adjusting pipes against each other and pressing sealing ring when bulging out and enlargement of diameter in cross section of ring
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Aiming device for a rifle, in particular for a hunting rifle
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Fitting for closing or extension of gas lines, has ring provided with attached hollow cylinders during extension of gas pipe, where fitting and hollow cylinders have outside diameters corresponding to inside diameter of gas pipe
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Safety device for valve, has U-shaped clamp whose ends provided with threads are run through tube that is fixed on sides of cap and secured on collar ring by nuts that are tightened only by special spanner
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Safety valve for underground gas lines, has valve housing with a groove that serve as a break section for gas pipe, with a valve seat arranged at the tension force-turned side of the groove
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Length-compensation unit for sub-soil electrical power cable has strong outer pipe separated from inner corrugated tube by plastic or elastic rings
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Branch of twin chamber pipe of supply pipe has boring pipe box around supply pipe with support branching to side from dome of box for connection of twin chamber pipe
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Branch of two-channel tube for water supply line has flow director on end of dividing wall facing supply line
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Ball valve for shutting off of twin chamber pipe has spherical valve component divided into two chambers by dividing wall, and inlet and outlet connector similarly divided into chambers by dividing wall
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Ventilation valve for dirty water pipes
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Closure for a pipe
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Screw connection for securing gas supplies against unauthorized diversion comprises bolt which contains cylindrical recess with internal thread, allowing releasing tool consisting of second bolt with locking nut to be screwed into it
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Coupling for metal and plastic pipe comprises inner and outer tubular section, outer section having ribs fitting into grooves in inner section and ribbed elastomeric sleeve being fitted between sections
