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Class 228/60 - TUBE END CLOSING


Subclass of Class 228 - Metal fusion bonding
Definition: A bonding device for deforming, and completely joining by
No. of patents: 28
Last issue date: 10/27/2009


NumberTitleIssue Date
7607560Semiconductor die attachment for high vacuum tubes
Bonding and interconnect techniques including a spacer for use with semiconductor die for the creation of thermally efficient, physically compliant Ultra High Vacuum Tubes and the tube resulting therefrom. ...
10/27/2009
7410087Welding backup systems for heat-sink or purge purposes
A welding apparatus is disclosed for use during welding of a tubular metal nozzle to a tank's metal domed cap. The nozzle extends longitudinally between a base end for mating to the tank's cap at an aperture therein and a spaced-away terminal free end. Typically, th...
08/12/2008
7115233Reformer
A reformer that includes a housing including a tubular member and an end plate member hermetically joined to the tubular member. The housing defines within it a first fluid flow path and a second fluid flow path in a heat exchanging relationship with each other. A r...
10/03/2006
6474535Welding method and apparatus
In a method for welding closed one end of each of a multiplicity of open-ended tubes suitable for use as brachytherapy capsules (100), each tube is loaded into a holder (52), brought to a welding station (80), has one end welded closed and is then release...
11/05/2002
6085964Method of sealing a hole
A configuration for forming a gastight space is prevented from being projected from a housing, so that a projection is not formed on the housing. A sealed contact device includes a housing including a container body having an opening end portion, the cont...
07/11/2000
5897927Seal for vacuum devices and methods for making same
A method for permanently sealing an ultra-high vacuum within a glass enclosure. This is accomplished by first forming a hole, either in one of the flat plates that form the enclosure or in one of the standoffs that separate the plates, and then sealing a ...
04/27/1999
5460315Making a cell for a motor-vehicle latent-heat storage unit
A motor-vehicle latent-heat storage unit is made by first positioning an elongated rectangular sheet-metal blank over a longitudinally extending slot formed in a die and then pressing an elongated anvil bar forming one of a pair of ultrasonic welding tool...
10/24/1995
5375756Apparatus for assembling and welding final end plugs to nuclear fuel-containing cladding tubes and inspecting the welds, all on an automated basis
In an automated final weld apparatus, a transporter conveys nuclear fuel-loaded cladding tubes successively to a check station to verify the presence of a plenum spring in the open end of each cladding tube, a reader station where a unique first end plug ...
12/27/1994
5152452Pressure vessel and method
A sheet of work-hardenable, non-heat-treatable, corrosion-resistant steel is cold rolled into a tube (12) and welded (10). The cold rolling strengthens the material. The welding causes the weld area (10) to revert to its annealed condition, but the ends (...
10/06/1992
5135705Plug and method for plugging a penetration in a pressure vessel wall
A plug and method for plugging a penetration in a pressure vessel wall having a sleeve protruding through the penetration. The sleeve is cut at a point between the interior and exterior surfaces of the pressure vessel wall. The cut portion of the sleeve e...
08/04/1992
5085131Hydraulic cylinder for automotive steering systems and the like
An automotive steering system hydraulic cylinder and method for making the cylinder are disclosed. The cylinder is attached to a rack and pinion gear assembly housing so that a piston from the assembly creates a variable displacement chamber within the cy...
02/04/1992
4991765Push rod manufacturing method
A push rod is manufactured by projection-welding a bottom surface of an end element to a tapered annular end surface of a pipe. To prevent some inclination from arising between the bottom surface of the end element and the annular end surface of the pipe ...
02/12/1991
4976912Apparatus for sealing a container for the storage of radioactive material
Apparatus for welding and testing a weld on a cover for a container for radioactive material. Two carriages are mounted on a bridge extending across and above the container. Gas shielded arc welders are mounted on the carriages. The carriages move across ...
12/11/1990
4811759Device for the fluidtight closure of an aperture extending through a wall
The device comprises a sleeve (1) and a stopper (5). The inside bore of the sleeve (1) comprises a part having a diameter smaller than the outside diameter of the stopper (5) and ending in a shoulder (2c), against which the stopper (5) comes to bear. Swag...
03/14/1989
4727233Method for sealing tubes
The method allows the sealing of metal tubes, particularly of stainless steel, for example, tubes for filling containers for gas at high pressure or evacuation tubes for vacuum vessels. It includes the steps of locally squashing the portion of the tube to...
02/23/1988
4628294End cap assembly for a fluid resistant electrical device
An end cap assembly for a fluid resistant electrical device includes a solderable insulating tube end cap and an insert having a solderable cylindrical body portion positioned within a tubular opening of the end cap. The body portion of the insert has a c...
12/09/1986
4627257Tube spin close apparatus
An apparatus (20) for closing the end of a tube section includes a rotary means (180, 190) for rotating the tube section about the longitudinal axis of the tube section. A forming wheel (54) is mounted relative to the end of the tube section. The forming ...
12/09/1986
4586245Solenoid coil wire termination
A starter solenoid for electric starting apparatus and its method of manufacture. The solenoid has hold-in and pull-in coils and a cap formed of insulating material that carries a start switch terminal and a motor terminal. Both terminals have axially ext...
05/06/1986
4580715Method and apparatus for making a water-tight radiator element
The open ends of a flat tube are closed by rolling together the edge portions of the wide, opposing sidewalls of the tube by means of two flanging rolls successively guided over these edge portions in opposite directions. One of the flanging rolls makes a...
04/08/1986
4554041Method of producing a thermally insulated body
The use of thermally insulated bodies is determined by their insulative properties, on the one hand, and by the economy of their fabrication on the other hand. A particularly simple method for manufacturing a thermally insulated body, e.g. a pipe, with in...
11/19/1985
4512488Sealing tubulation and method
An enclosure for sealing components is sealed by a tubulation member having narrowed cross-sectional width in one dimension. The narrowed dimension serves to minimize stresses at the tubulation interface when the enclosure is sealed by pinching the tubula...
04/23/1985
4361360Tube end forging process
A unitary tubular axle (12) is formed to include an end (18) having a support section (22) of a completely solid cross section located between a generally vertical kingpin bore (24) and a tubular intermediate portion (16) of the axle. Both ends (18) of th...
11/30/1982
4204378Method of closing a capillary tube
A method of closing an end portion of a metallic capillary tube. In this method, the tube is crimped to form at least a temporary seal adjacent the end portion thereof, and the tube is then fused at the end portion thereof at least adjacent the at least t...
05/27/1980
4178966Tube plug
A metallic body is formed to have a clearance fit up into a reamed and spot faced tube extended through, and welded to a tubesheet. The form of the body provides a lip which functions to limit the distance the body can be inserted into the tube and supply...
12/18/1979
4117299Method of tipping refractory metal tubulation
An improved method for sealing off the refractory metal exhaust tubulation of the ceramic arc tube employed in the high pressure sodium discharge lamp. The method involves a single four-directional crimp of the tubulation to form an X-shaped cross-section...
09/26/1978
4059977Method of producing hermetically sealed end in a tubular workpiece
A method of producing a hermetically sealed, preferably sphere-shaped end in a tubular workpiece, residing, according to the invention, in that an end of a tubular workpiece is heated to a forging temperature and is then reduced until a portion is obtaine...
11/29/1977
4008843Apparatus for sealing tubes
An apparatus is provided for automatically sealing insulation tubes comprising a turn table intermittently turned through a part of a revolution and having a plurality of tube holders disposed in a circle about its central axis, a friction wheel disposed ...
02/22/1977
3956914Spin lathe
A spin lathe embodying novel means to deliver pressurized fluid to means controlling operation of the work holding chuck, and a manually adjustable hydraulically actuated switch element for limiting travel of the work piece forging tool for "necking" oper...
05/18/1976
 
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