Class 220/237 - With wedging expander

Subclass of Class 220 - Receptacles
Definition: Device wherein the expander member is provided with a tapered
No. of patents: 28
Last issue date: 02/26/2008

Number	Title	Issue Date
7334607	Protective cap for a sealing stopper in a collecting vessel of a condenser The invention relates to a protective cap (9) for sealing a collecting vessel of a condenser closed by means of a sealing stopper (4). ...	02/26/2008
7314065	Irreversible plug assembly A plug assembly for a tube includes a tapered wedge and a sleeve. The sleeve fits over the wedge and is placed in a tube. Relative movement of the wedge and the sleeve causes the sleeve to expand and plug the tube. The exterior surface of the wedge and the interior ...	01/01/2008
7036418	Container for explosive device A container for explosive devices comprising inner and outer containment vessels, each having an access port, is described. The access ports can be rotated in and out of alignment by rotating at least one of the containment vessels. The container serves to enclose, ...	05/02/2006
6877529	Sealing cap in particular for a collector tube in an air-conditioning unit for vehicles An improved sealing cap in particular for a collector tube in an air-conditioning unit for vehicles suitable for being axially inserted in a cylindrical portion (11) at an end of said collector tube comprises at least two moulded elements able to be coupled (...	04/12/2005
6367415	View port of a chemical vapor deposition device for manufacturing semiconductor devices A view port of chemical vapor deposition apparatus for manufacturing semiconductor devices prevents heat loss in a chamber during a plasma deposition process. The view port includes a bracket protruding at the circumference of an opening in an electrode s...	04/09/2002
6360790	Apparatus and method for filling a motor vehicle cooling system with coolant An apparatus for adding coolant to a cooling system of a motor vehicle includes a cap with a resilient sleeve that expands against the inside wall of a radiator filler neck to provide an airtight connection. A valve attached to the cap controls the flow o...	03/26/2002
6234215	Apparatus and method for filling a motor vehicle cooling system with coolant An apparatus for adding coolant to a cooling system of a motor vehicle includes a cap with a resilient sleeve that expands against the inside wall of a radiator filler neck to provide an air-tight connection. A valve attached to the cap controls the flow ...	05/22/2001
6189718	Fluidtight seal for a container A fluidtight seal for a container is formed by abutting a metal ring with a step machined in a convexo-concave container closure device and inserting this assembly into an open end of the container. Under compressive force, the closure device deforms caus...	02/20/2001
6152193	Apparatus and method for filling a motor vehicle cooling system with coolant An apparatus for adding coolant to a cooling system of a motor vehicle includes a cap with a resilient sleeve that expands against the inside wall of a radiator filler neck to provide an air-tight connection. A valve attached to the cap controls the flow ...	11/28/2000
5945040	Apparatus for compound movement of an aeration unit Improvements are made to a system in which force is applied to aeration units from only one side of a basin. Part of such force is vector transferred from one end of a beam of the aeration unit to the other end of the beam to move both ends of the beam. T...	08/31/1999
5797431	Inner diameter pipe plug An inner diameter plug for sealing a pipe near an open end of the pipe. The plug is capable of being reused within a range of pipe inner diameter tolerances and of providing effective fluid-tight sealing over a range of internal pressures. The plug can be...	08/25/1998
5337598	Leak test port plug A leak test port plug device is disclosed which includes a resilient plug having a first portion which is substantially cylindrical and a second portion which is generally conical and formed in integral one-piece relationship to the first portion. When th...	08/16/1994
5307841	Test plug for waste pipe A test plug for sealing a waste pipe includes a generally cylindrical piston having an inwardly tapered lower end with a maximum outer diameter slightly smaller than an inner diameter of a waste pipe. A threaded rod has a segment that extends through the ...	05/03/1994
5297691	Closure plug and methods of employing the same to maintain a fire-rated barrier A closure plug consisting of opposing frusco-conical sections to apply lateral forces to axially compress and radially expand o-ring means to seal the plug within an opening through a fire-rated barrier may support or enclose insulating materials filling ...	03/29/1994
5230437	Viewport assembly A viewport assembly having a tubular member, such as a ullage tube, with an internal cylindrical surface, a frame ring with an outer and an inner circumferential surface, the outer surface being defined in part by an outwardly radially extending flange po...	07/27/1993
5078294	Method for tight sealing and hole arrangement A method for sealing holes, involves fitting an essentially bushing- and/or tube-shaped plug into a hole and then the wall of the plug is expanded radially along at least one axial segment. In this method, the plug is positively anchored axially in the ho...	01/07/1992
5044403	Dirt and moisture sealing pipe plug for sealing different size pipe A pipe plug of the type including a tie plate having a threaded bolt extending upward from a stepped circular base for mounted an elastic seal ring, a wedge ring and a cone permitting the cone to rotate on the threaded bolt to force the wedge ring to sque...	09/03/1991
5038830	Pipe and sealing device A weld-free all purpose seal for closed fluid systems is disclosed. This sealing device includes a ring body having a flanged top member for coupling to a pipe with a first plurality of apertures in spaced relationship therethrough. The ring body is reces...	08/13/1991
5035266	Mechanical plug for clean-out tees A mechanical plug device for sealing pipeline access ports having a small threaded inner surface. The mechanical plug device has opposing inner and outer circular plate members. The rigid plate members each have interiorly tapered circumferential shoulder...	07/30/1991
4567994	Container closure having internal fastening means A closure assembly for a container includes a filler nipple formed on the container and having an inner wall provided with a depression, a plug unit and an operating lever pivotally supported on the plug unit, and a sealing ring received in a groove of th...	02/04/1986
4440309	Hermetical stopper for liquid receptacle A hermetical stopper used for liquid receptacles made of aluminum including minicasks of beer. Unlike the case in conventional receptacles in which the discharge ports usually have been hermetically sealed with aluminum as the same material for the main b...	04/03/1984
4385643	Plug for high-pressure testing of tubes In the embodiment shown, the Plug comprises an elongate body which has a throughgoing passage formed therein and an external ramp surface. A plurality of jaws are independently engaged with the body, and constrained thereon, for movement along the ramp su...	05/31/1983
4303101	End plug assembly for sewer pipe A reusable plug assembly to seal the end of a sewer pipe against gas and water leakage used when the sewer pipe has no useable threads or is not threaded at an open end and in which the plug assembly consists of an overlying end seal bearing against the e...	12/01/1981
4282982	Tube closure device A closure device which seals against the internal circumferential surface of a tube by an O-ring seal between a plug member and the circumferential surface and the plug being held in the tube by a plurality of segmented members that are positioned around ...	08/11/1981
4188675	Conduit plug An improved lavatory drain plug includes a split hub structure, normally separated axially, upon which a cylindrical sealing member is mounted. Bringing the hub together exerts an outward radial force on the sealing member while the rim adjacent the hub e...	02/19/1980
4084330	Flask for freeze drying with adjustable seal A flask for freeze drying being formed of chemically and thermally resistant materials, including a container flask and a cover assembly and having conduit means in the cover assembly for communication with the interior of the container flask and connecti...	04/18/1978
4024893	Pipe proof test fixture An end closure for large diameter thin wall pipe employs separate opposed outside contractible and inside expansible assemblies to grip the pipe. A separate yoke member is carried by a closure member of the inside assembly and in turn carries means to act...	05/24/1977
3933180	Methods and apparatus for making fiber reinforced plastic pipe A method and apparatus is provided for continuously making fiber reinforced plastic pipe in which a conveyor tube is formed on an axially fixed hollow rotatable mandrel. A plurality of bands of resin impregnated fiber elements are wound on the conveyor tu...	01/20/1976

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Class 220/237 - With wedging expander