Patents
Patents for F28F 11 - Arrangements for sealing leaky tubes or conduits (1,051)
09/1981
09/16/1981EP0035911A1 Plug removal apparatus
08/1981
08/11/1981US4283615 Device for stopping a leak in a straight portion of a heat-exchanger tube
05/1981
05/12/1981CA1101136A1 Device for the selective positioning of a body on a tube plate
04/1981
04/21/1981US4262539 Drive assembly for probe carrier
04/14/1981US4262187 System for plugging tubes by welding
03/1981
03/31/1981CA1098509A1 Heat exchanger
01/1981
01/27/1981US4246958 Tube to tubesheet connection system
01/27/1981CA1094543A1 Leak detection system for duplex tube heat exchangers
01/27/1981CA1094304A1 Work table for a stepped platform
12/1980
12/09/1980US4237937 Device for sealing damaged tubular members
11/1980
11/25/1980US4235020 Inspection system for heat exchanger tubes
11/12/1980EP0018826A1 Apparatus for inspecting a heat exchanger tube
10/1980
10/07/1980US4226280 Liner for a perforate plate of a header tank of a heat exchanger having tubes
10/07/1980US4226012 Method of repairing a heat exchanger and body for use in this method
09/1980
09/30/1980CA1086664A1 Explosive activated plug
08/1980
08/12/1980US4216893 Apparatus for remotely repairing tubes in a steam generator
08/12/1980US4216821 Pump/heat exchanger
07/1980
07/15/1980US4212583 Apparatus for use in positioning a unit on a tube-plate
05/1980
05/20/1980US4203185 Method of sealing tube plate apertures, and repair set for use therein
05/06/1980CA1076979A1 Plug
03/1980
03/18/1980US4193735 Work table for a stepped platform
03/11/1980US4192373 Leak detection system for duplex tube heat exchangers
02/1980
02/06/1980EP0007491A1 Apparatus for inspecting heat exchanger tubes, especially of steam generators in nuclear power plants
12/1979
12/18/1979US4178966 Tube plug
12/11/1979US4177858 Heat exchanger
11/1979
11/28/1979EP0005670A1 Device for sealing a leak in a straight portion of a heat exchanger tube
11/20/1979US4174735 Method of temporarily sealing open ends of fluid conduits terminating in a header space
10/1979
10/09/1979US4170247 Polyfluorocarbon condenser plug
06/1979
06/19/1979US4158370 Explosive activated plug
05/1979
05/29/1979CA1055482A1 Heat exchanger
02/1979
02/13/1979US4138969 Heat exchanger and economizer
02/06/1979CA1047748A1 Method of securing a sleeve within a tube
12/1978
12/12/1978CA1044038A1 Steam pipe flow detection apparatus with automatic test position change
11/1978
11/21/1978CA1042934A1 Fin tube seal
09/1978
09/12/1978US4113006 Two-piece tube plug for repairing tubes in heat exchangers and the like
08/1978
08/01/1978US4103738 Replaceable inlet means for heat exchanger
06/1978
06/27/1978US4096885 Method for sealing leaking pipes and repair unit for use in the method
06/13/1978US4094358 Liquid cooling apparatus
05/1978
05/23/1978US4090554 Heat exchanger
02/1978
02/21/1978US4074630 Methods and plugs to seal apertures in tube plates of heat exchangers provided with tube plates which are locally sealed with these methods and such plates
01/1978
01/24/1978US4069573 Method of securing a sleeve within a tube
09/1977
09/27/1977US4050384 Tube inspection and servicing apparatus
05/1977
05/31/1977US4026352 Device for evaporative cooling of metallurgical units
05/10/1977US4021907 Method of sealing apertures in tube plates of heat exchangers using explosive plug
12/1976
12/07/1976US3995332 Fin tube seal
10/1976
10/19/1976US3986245 Tube removal method
10/05/1976US3984008 Apparatus for automatizing flaw detection
06/1976
06/22/1976US3964293 Or obturating leaky tubes in heat-exchangers
06/15/1976US3962767 Method for repairing a heat exchanger tube
05/1976
05/18/1976US3956810 Tool holding and positioning device
01/1976
01/27/1976US3934731 Apparatus for inspecting and repairing a pressurized-water reactor's steam generator heat exchanger tubes
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