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Class 138/89 - WITH CLOSURES AND PLUGS


Subclass of Class 138 - Pipes and tubular conduits
Definition: Subject matter relating to pipes or pipe fittings having
No. of patents: 1085
Last issue date: 05/15/2012


1                      
NumberTitleIssue Date
8176942Closing device for a vacuum user system of an aircraft
A closing device for a vacuum user system or vacuum toilet system of an aircraft that makes it possible to quickly open and close a pipe connection piece in a vacuum user system or in a vacuum toilet system of an aircraft. The closing device comprises a cover; a clo...
05/15/2012
8171960Plug with gripping means
The present invention regards a plug (2) for scaling off a pipeline (1), comprising a main body (3), scaling means (6) and gripping means (5) arranged circumferentially around the main body (3) and actuation means (4)...
05/08/2012
8171961Plug structure
A plug structure for sealing an opening end portion of a circular fluid passage formed in a housing comprises a plug being equal in resistance against deformation to, or smaller than, the housing and having an annular flange portion formed on an end portion of a cir...
05/08/2012
8141590Arrangement for sealing an end section of a tube or of a tubular vessel
The invention relates to an arrangement for sealing an end section of a tube or of a tubular vessel with a sealing plate arranged pointing toward the tube, and a front plate arranged pointing away from the tube. A peripheral seal is arranged in the outer region of t...
03/27/2012
8141591Plug assembly with moveable mounting members
A plug assembly 10 includes a housing 14 and one or more covers 16 coupled to the housing. The plug assembly 10 includes at least one mounting plate 12a, 12b positioned between the housing 14 and the cov...
03/27/2012
8113241Resilient test valve member
A method and apparatus for pressure testing a plumbing system, includes a resilient body having a body diameter. The resilient body is adapted to elastically deform by when passing through a service opening that is smaller than the body diameter and then resiliently...
02/14/2012
8104517Resilient plug apparatus and method of use
Various embodiments of the present invention provide apparatuses and methods for stopping the flow of media within a pipeline. The pipeline generally includes one or more pipes connected end-to-end, where each of the pipes has a longitudinal axis with an annular wal...
01/31/2012
8061388Chemical barrier plug assembly and manufacturing and dislodgement methods for hydrostatic and pneumatic testing
A barrier plug assembly for incorporation into a lower portion of a plumbing installation for supporting a column of test water during inspection of the installation includes a tubular plumbing segment for sealingly securing between and in fluid communication with o...
11/22/2011
8042574Plug with expandable packer element
The present invention relates to an arrangement for use with a plug (1) for sealing against an inner wall of a pipeline (30), comprising a main body and sealing means, which sealing means comprises an annular packer element (7), arranged between...
10/25/2011
8042575Spring energized plug
A self-contained cartridge sealing plug that does not require any torque settings. The sealing plug includes a cylindrical-shaped plug body that carries an O-ring seal. The bottom of the plug body has a hole where a spring is inserted and retained by a spring retain...
10/25/2011
8037904Anchor mount
An anchor mount formed of a stopper having a thrust flange joined to a first end of a stem portion with an axial bore extending there through and a centering portion inclined between an overhanging portion of the flange and the stem portion; a part-spherical coupler...
10/18/2011
8001995End cap for a hydraulic fitting
An end cap for an open end of a hydraulic fitting having a peripheral flange can be provided by a threaded ring and a threaded insert. The threaded insert can be rotatably engaged with the threaded ring to move axially back and forth. The threaded insert has a forwa...
08/23/2011
7958911Shipping plug
A shipping plug is disclosed herein. The shipping plug is formed from a cylindrical member that is configured to be operatively disposed within a bore of a component to create a seal therewith. The cylindrical member is a resilient material, and has an upper wall, a...
06/14/2011
7954515Combination cap and plug assembly
A combination cap and plug assembly. A cap portion of the assembly is used to stop flow of material through a male coupling, and a plug portion is used to stop flow of material through a female coupling. The combination cap and plug assembly includes a tether that a...
06/07/2011
7913717Fast acting gate
The invention can be used in pipelines, any devices, man holes and arrangements, at any pressures and working conditions for closable large-diameter pipes. The object of the present invention is to improve serviceability of a gate. The inventive gate comprises a lid...
03/29/2011
7909065Pre-tensioned sealing means arrangement
The present invention regards a barrier plug system (3) for sealing off a pipe (1), comprising a plug body, a first and a second end plate surface (11, 31) arranged on opposite sides of the plug body and at least one circumferential sealing mean...
03/22/2011
7878219Fluid system coupling with pin lock
A fluid system component is provided that includes first and second elements configured to be removably engaged with each other and defining a fluid passageway when engaged. The first element defines at least one groove. Correspondingly, the second element includes ...
02/01/2011
7878220Pipe plug with a locating appliance
A pipe plug provides a water-tight seal and expedites locating of non-metallic pipes. The pipe plug includes a hollow body member adapted for being received by an associated piping member of a variety of inner dimensions, and for being engaged with it. The hollow bo...
02/01/2011
7874318Plumbing test cap with pivotal latch
A plumbing test cap has a body with a bore extending from a first end which is mountable over a stub-out having a surface engagement feature. The body has a closed second end. A retainer is carried on the body for transverse movement from a first position allowing m...
01/25/2011
7866346Mud pump receiving flange and plug retainer
A plug retainer and receiving flange for a mud pump fluid module pipe comprising a plug retainer and a receiving flange. The threads of the plug retainer are configured into at least two segments that are axially disposed opposite each other upon the periphery of th...
01/11/2011
7845371Gas connector socket with cover
The invention relates to a gas connector socket with at least one inlet port for connecting a locally fixated gas supply line, with at least one outlet port for connecting a gas connector plug, with a housing receiving the at least one outlet port, and with at least...
12/07/2010
7766046Plugging system for use during an offshore pipeline laying operation
A plug for use during a pipeline laying operation for sealing off sections of the pipeline in case of water ingress. A sealing and gripping assembly is formed of slip segments around a partially conical shaped surface, the slip segments being moved by a piston/cylin...
08/03/2010
7766047Telescoping double blocking pipe plug
A plugging device for double blocking a section of pipeline or piping and method for its use includes a first and second sealing element and at least one cylinder that is extendable along an axial direction of the pipe between a retracted first position and an exten...
08/03/2010
7762282Closure for a plumbing cleanout
A closure for a plumbing cleanout includes a riser pipe having an interior surface defining an interior bore. A cylindrical plug is provided having a first end, a second end, and an exterior surface. A peripheral flange is positioned at the second end of the cylindr...
07/27/2010
7748411Insertable piggable plug system
The present invention is a plug system having a plug for insertion into a pipeline, wherein the plug system is insertable via a fitting attached to the pipeline. A pre-drilled aperture of the pipeline positioned normal to the cylindrically-shaped pipeline may interf...
07/06/2010
7717136Pipeline closing apparatus
A pipeline closing apparatus comprises a lid member attachable to a downstream end portion of a sluice valve, a first control shaft extending through the lid member, a second control shaft extending through the first control shaft, an elastic annular member disposed...
05/18/2010
7677270Plug for a hydraulic fitting
A hydraulic or other type of high-pressure hose fitting can be temporarily sealed using a special type of plug. The plug is made of a rubber like material and can be used both as a male plug or a female plug. The plug contains a plug body with a tapered end portion ...
03/16/2010
7665485Hatch for the opening and closing of pressurised pipes, in particular for the opening and closing of branch pipes for the introduction of pipe cleaning and inspection apparatus
A closing system for pressurized pipes, includes an annular supporting structure, designed to be secured to one end of the pipe, a closing hatch mounted on the annular support, and elements for locking the hatch including a locking ring inserted into an annular cavi...
02/23/2010
7644734Safety cap for couplings and fittings
The present invention is a male and female safety cap to protect hose and liquid transport fittings and the hand of the operator. The male safety cap has a circular disk with a diameter larger than the female fitting and a loop handle. The female safety cap has rais...
01/12/2010
7640949Sealing device
The invention provides a plug for sealing an end of a duct. The plug includes a sealing member for sealing against an interior surface of the duct, and gripping means having one or more teeth for gripping the interior surface of the duct. The plug may include a pair...
01/05/2010
7631664Threaded expansion plugs
A plug for sealing a bore in the wall of a high-pressure fluid container is provided. The plug includes a sloping surface adapted to seal at an edge between surfaces of different diameter. A method for sealing the bore by forming a socket in the wall that is adapted...
12/15/2009
7624759Shower drain test plug
A test plug for a shower drain includes a threaded portion having external threads sized to be received in an threaded aperture of a drain. An extension extends downwardly from the threaded portion to a cylindrical sealing portion which is connected to the extension...
12/01/2009
7614426Cap for connector
A cap for a connector which can fill a male luer connector with only a fluid, such as a medicinal fluid, without leaving gas in the male luer connector. The cap for the connector comprises the cap body, the sliding part movable relative to the cap body, and the air ...
11/10/2009
7607456Plug for hydrostatic testing of flexible polymeric pipe or tubing
A manually installable polymeric plug useful for hydrostatic pressure testing of polymeric pipe or tubing having a flexible wall, the plug having a substantially rigid polymeric handle with a threaded cylindrical section that is engageable with the polymeric pipe or...
10/27/2009
7597117Compression plug system for tubes and pipes
A compression plug system for plumbing, comprising a plumbing pipe, a slip nut, a seal ring, and a plug. The plug comprises a head having a closed end, and an external threaded portion having an edge. Extending from the head is the external threaded portion that ext...
10/06/2009
7588052Closure plug
A closure plug for bores, including a cylindrical jacket of through hardened steel, whose outer peripheral surface features a toothed design. ...
09/15/2009
7571743Gravity flow isolation device
A device for isolating at least a portion of a pipe from fluid flowing therethrough. The device having a body (1) that is at least partially insertable into the pipe. An external surface of the body is adapted to abut with an inner surface of the pipe to subs...
08/11/2009
7549447Pressure valve inlet cover system
A pressure cap having a generally cylindrical hollow body with a semispherical cap having an orifice defined within and passing through said cap, a valve stem passing through and of smaller cross-section than the orifice, a valve member supported by the valve stem w...
06/23/2009
7533698Trackable, identifiable foreign material exclusion device
A foreign material exclusion device which is adapted to be utilized in tubes, pipes, or the like to prevent entry of debris into a potentially sensitive area of an assembly, such as a turbine assembly utilized in a power plant. In one embodiment, the device is adapt...
05/19/2009
7533699End cap clamping and sealing system
The present invention provides an end cap sealing system for sealing an open piping end. The end cap sealing system includes an end cap having an end cap core. The end cap core has a generally cylindrical end with a circumferential groove formed around the exterior ...
05/19/2009
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