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Class 138/95 - Return bend type


Subclass of Class 138 - Pipes and tubular conduits
Definition: Closures and plugs specially designed to be used with a
No. of patents: 5
Last issue date: 12/09/2003


NumberTitleIssue Date
6659133Insertable line stopper plug for pipelines
This invention contemplates a resettable plug assembly suitable for insertion into a pipeline from a transverse tee connection in order that flow may be stopped and pressure retained by the plug. The stopper plug is inserted in the upstream direction and ...
12/09/2003
5197080End cap for cooling coils for an arc furnace
An end cap is provided for adjacent pipes in the cooling coils of an electric air furnace. Each end cap includes parallel opposite side walls and a curved end portion connecting the side walls. The side walls and end portion define a perimeter edge, the o...
03/23/1993
4711470Utility connection bar
A utility connection bar (30) dimensioned to extend between a gas supply line (42) and a customer gas line (44) of a conventional gas connection (41) is formed of molded plastic and has a bar (36) extending between threaded ends (32) and (34). The plastic...
12/08/1987
4601275Fuel rail
A fuel rail containing injectors for delivering fuel to an engine has a large passage supplying fuel to the injectors and a small fuel return passage. The injectors are received in sockets each of which has a restricted vent extending to the return passag...
07/22/1986
4569868Heat-recoverable article
Heat-recoverable articles, especially heat-shrinkable tubular articles, having an open end are formed so that the section adjacent said open end has a lower recovery ratio than a section adjacent thereto, thereby substantially reducing the risk of splitti...
02/11/1986
 
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