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4449280 |
Explosive tube expansion
Apparatus for expanding a tube within a tube sheet has an insert and a detonation device. The insert is sized to fit coaxially within the tube. The detonation device encircles the insert and can...
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4445261 |
Method for installing tubes in a tube sheet
A tube is inserted in a bore in a tube sheet, the tube having an outside diameter slightly smaller than the bore. Hydraulic pressure is applied to the tube internally to expand it radially...
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4434930 |
Process for producing reinforced structural articles
Reinforced structural elements are produced by taking two or more sheets of the same or different malleable metal and applying a pattern of thermally decomposable stop-off material on an...
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4433461 |
Method of manufacturing an acoustic spherical lens
An acoustic spherical lens where in a hemispherical hole is formed from a bubble which appears owing to the expansion of residual gases in a lens material employing silica, and the hemispherical...
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4420867 |
Method of pressure fitting a tube in a tube sheet
A tube end received in a bore of a tube sheet is expanded by introducing a mandrel into the tube end and utilizing fluid pressure to bias a pair of sealing rings outwardly to engagement with a tube...
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4418556 |
Precision local expansion shaping process and apparatus for metal tubes of substantial length
Process and apparatus for expansion shaping of at least one localized region in a running portion of the wall of a tube of substantial length, wherein the distance between the expanded region and...
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4417382 |
Method of thermally insulating vessels
An insulation arrangement in which a sheath (2) having at least one thin deformable wall (3), for example of foil, contains a powder insulating material (10), with a high vacuum within the sheath....
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4414834 |
Method for expanding tubular blanks
A method and apparatus for expanding a tubular workpiece which includes mounting the workpiece in a lower die, filling the workpiece with fluid and engaging the upper portion of the workpiece with...
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4412373 |
Method of manufacturing a thin copper plate with flow conduits
A method of manufacturing a thin plate or band from copper or a copper alloy is disclosed, the plate or band having flow conduits parallel to its plane, in which a thicker copper plate billet,...
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4409809 |
Dual motion press
A machine for use in forming ductile metal sheets into shaped bodies having first and second open-ended, annular chambers which are relatively movable, while maintaining their open ends in register...
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4400862 |
Method of manufacturing packing containers
The invention relates to a method for manufacturing a packing container from a seamless tubular blank of plastic material having a wall thickness greater than the wall thickness of the packing...
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4399601 |
Method of preparing and using a pressure actuated release mechanism
A pressure-actuated release mechanism is assembled using a prebuckled pipe segment as a pressure-triggering mechanism. The trigger mechanism is employed to attach buoys to an offshore structure or...
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4393567 |
Method and apparatus for the assembly of long objects on a rotating shaft
A method and apparatus for the assembly of long objects (1) such as rollers, cylinders, elongated tools, for example surface cutters, on a rotating shaft (2) with the aid of two expander bushings...
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4392292 |
Forming process
A method and apparatus for production of couplings for joining together sections of metal tubing, the couplings being of the type comprising sockets having e.g. an annular recess carrying a filler...
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4388752 |
Method for the sealtight jointing of a flanged sleeve to a pipeline, especially for repairing subsea pipelines laid on very deep sea bottoms
A method for connecting in a sealtight manner a flanged sleeve to a pipe, especially for subsea gas and oil ducts, comprises the steps of introducing the free end of the pipe into the flanged...
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4383426 |
Die construction for fan blades
A die construction for forming or reforming a fan blade to press dies in which opposed dies have cooperating cavities to form a recess to receive the blade, at least a part of one of the cavities...
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4379390 |
Ice-making evaporator
An ice-making evaporator and method for fabrication thereof is provided. The evaporator includes a hollow tubular member on which is provided a tubular coil. The tubular coil is expanded into tight...
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4377894 |
Method of lining inner wall surfaces of hollow articles
The inner surface of a hollow article of special shape such as a pipe elbow or bellows is lined with a tightly fitted protective lining material by the steps of emplacing the lining material within...
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4368571 |
Sleeving method
The sleeving method comprises inserting a metal sleeve within a tube so as to bridge the defective region of the tube. The sleeve is constructed to have teeth on the outside thereof that are...
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4359811 |
Method of coating or lining metals
Coating or lining normally-corrodible tubular metal shapes with corrosion-resistant metal coatings or linings is effected by placing the tubular metal shape in concentric telescopic relationship...
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4359889 |
Self-centering seal for use in hydraulically expanding tubes
In a device for confining a pressurized working fluid within a tube to be expanded radially, a support to be positioned axially within the tube and at least one sealing member encircling the...
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4343170 |
Apparatus for expanding tubular members
Apparatus for use in expanding tubes into holes in tubeplates including walls of drums and headers especially in boilers in which an annular body of elastomeric material is compressed axially and...
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4327471 |
Hydrostatic pipe splicing method
A method and apparatus for containing an annular body of fluid about a sleeve spanning the abutting ends of pipe lengths, and firing a charge of propellant, such as fast burning smokeless powder,...
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4321740 |
Methods and apparatus for relining service pipe
A method and apparatus are provided for relining a fluid transmission pipe in which a deformable stiffener is inserted in one end of a plastic liner, the plastic liner is inserted into the...
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4320568 |
Method of expanding tubular members
A two-stage method of expanding tubes into holes in tubesplates including walls of drums and headers especially in boilers using an elastomeric body which in a first stage is compressed axially in...
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4312542 |
Method of making a brush-beater for a vacuum cleaner
A brush-beater assembly for a vacuum cleaner comprises a hollow cylinder having outwardly extending projections formed in the material thereof, and slots diametrically opposed to the projections...
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4305269 |
Oil hydraulic bulge-forming process for the manufacture of front fork blank of single unit type for bicycles
A straight tubular ferrous blank of a circular section, starting material of the invention is deformed in its section along its whole length and bent to form a fork with two legs or blades, the...
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RE30802 |
Method of securing a sleeve within a tube
A method is disclosed for securing a repair sleeve within a tubular fluid conveying conduit. The sleeve is positioned within the tube so that it extends coextensive with a region of degraded tube...
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4301584 |
Method of forming fiber and metal matrix composite
Disclosed is an improved method of fabricating boron fiber and aluminum matrix composite structures, especially gas turbine compressor blades having titanium metal skins. Titanium skins and boron...
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4295255 |
Expanded cooling jacket assembly
A method of manufacturing a cooling jacket (10) is provided whereby a relatively thin-walled outer jacket formed as a cylinder (14') is press-fit over an inner casing (12) and the outer jacket...
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4293995 |
Method of making camshaft for reciprocable piston engines
A camshaft with cams and bearings for reciprocable piston engines, which comprises a hollow shaft having the cams and bearings designed as cam rings and bearing rings and fastened to the hollow shaft.
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4288021 |
Tooling for superplastic forming diffusion bonding processes
Tooling for use in an autoclave or a hot press for the superplastic forming and diffusion bonding of metals which tooling includes upper and lower portions with a labyrinth seal therebetween having...
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4285109 |
Method of hydrodynamic forming
A hollow three dimensional metal article is formed by cutting two identical flat metal blanks, forming a hole in one of the blanks and upsetting the metal around the hole to accommodate the head of...
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4273161 |
Insulated plastic pipe product and method
An insulated pipe for conducting high and low temperature fluids includes a rigid carrier pipe, a layer of volumetrically compressible insulating material around the O.D. of the carrier pipe, and a...
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4269890 |
Process and apparatus for introducing foam into automobile body cavities
A process and arrangement for introducing a material such as a foam into automobile body cavities for at least one of noise insulation or increased rigidity. The cavities may be provided with open...
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4250609 |
Flue stack maintenance system utilizing replaceable liners
A flue stack maintenance system particularly for those flues through which grease laden air passes such as for example exist in commercial restaurant kitchens and the like (FIG. 1), which utilizes...
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4238878 |
Method and apparatus for forming shroud
A method and apparatus for assembling together a rectangular outer tube, a rectangular inner tube and thin flat elongated panels having their side surfaces solidly abutted between the inner wall of...
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4235361 |
Process for producing a pressure vessel head or shell
A layer head or shell for a pressure vessel is formed by building up successive wraps over a liner, each wrap consisting of a plurality of segments which fit together such that the wrap completely...
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4214923 |
Method for treating metal
An element (12) having a chamber (28) such as, for example, a boom (12) of an excavator (10) or a draft tube of a scraper is subject to torsional loading during use of the element (12). Torsional...
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4210991 |
Hydraulic expansion swaging of tubes in tubesheet
The method of this invention involves abruptly applying a very high pressure pulse to the already pressurized annular space between a hydraulic expansion-swaging mandrel core and the tube being...
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4198740 |
Method for forming or bonding a liner
A process and means for forming or bonding a liner to a shell or element wherein the liner is filled with or immersed in water and a portion of the water is frozen.
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4195390 |
Apparatus and method for manipulation and sleeving of tubular members
A tube expanding apparatus and method are disclosed utilizing a hollow, elastic, tubular bladder, an elongate connection member positioned within the bladder, a pair of end caps sealably connecting...
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4174233 |
Expansion process for reducing the stresses in a seamless metal tube
A process for reducing the residual stresses in a seamless metal tube which has undergone a straightening operation comprising subjecting the tube to an internal pressure of between 0.8 Pc and 1.0...
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4152821 |
Pipe joining connection process
The following specification discloses a pipe joining and connection process and apparatus for utilization with all forms of plastic pipes and metal and plastic pipe couplings. The joint comprises a...
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4135958 |
Method of lining a passageway with a resin absorbent tube
A lining comprising a resin absorbent tube having on the outside a fluid impermeable membrane everted into the passageway to line same using fluid pressure. The resin absorbent material is soaked...
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4135298 |
Deformable heat transfer fin
A mechanically deformable heat transfer fin for installation in a hollow cavity of a large complex elongated extrusion to improve heat transfer characteristics without brazing welding or glueing....
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4125937 |
Apparatus for hydraulically expanding a tube
A mandrel that forms an annular space when inserted within a tube and has O rings adjacent each end and a leading end having a tapered portion and a spring cooperatively associated with the O ring...
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4109365 |
Method for forming contoured tubing
A method and apparatus for forming contoured tubular shapes, wherein the reshaping is accomplished without substantially changing the wall thickness of the tube material such that the strength of...
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4102167 |
Method of manufacturing integral fluid pressure rupturable apparatus
A method of manufacturing an integral reverse buckling fluid pressure rupturable apparatus comprised of a support body formed of a ductile material having opposite ends and having a recess...
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4081892 |
Method of making composite structure
A method of forming a composite structure having precision surface openings, such as an air foil through which air can be drawn in for boundary layer control. A metallic face sheet is bonded to a...
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