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8146400 |
Endoscopic methods and devices for transnasal procedures
Medical devices, systems and methods that are useable to facilitate transnasal insertion and positioning of guidewires and various other devices and instruments at desired locations within the ear,...
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8117882 |
Multi-layer pipe and method for its manufacture
A method for manufacture of a multi-layer pipe (5) by means of a bending roller with individual material layers (1, 2) to be combined into the multi-layer pipe (5) being placed one upon the other,...
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8091394 |
Foreign pipe or tube determining method
There is provided a foreign pipe or tube determining method capable of accurately determining a foreign pipe or tube. The foreign pipe or tube determining method in accordance with the present...
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8087277 |
Method for correcting metal tube and corrective press die
The forming recesses of a lower die and an upper die are formed to have a semi-oval profile so as to provide a forming space almost oval in section with the dies closed. The parting line between...
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8037732 |
Method of producing seamless metal tube and punch for use therein
A hole 30 is formed in the center of the rear end face 20 of a round billet 10. The hole 30 has a predetermined depth from the rear end face 20 and a plurality of grooves 31 are provided in the...
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7895747 |
Method for manufacturing a heat pipe with a planished end surface
The invention is to provide a method for planishing a sealed end of a pipe body for making a heat pipe. According to a preferred embodiment of the method of the invention, the sealed end of the...
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7877877 |
Method for manufacturing a solid housing
A method for manufacturing a solid housing, in particular a valve housing for an electromagnetically operable valve. The method includes providing at least three flat metal plates side by side,...
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7861571 |
Trapped ball draw process for reducing the diameter of tubing
A mechanical process to reduce and/or reform the mass of a tube (either metallic or of some other material) to specified dimensions, by any or all of the following means: thinning the wall of the...
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7849724 |
Method of manufacturing a ring-shaped member
The outer side of a pair of curved parts 3d of a longitudinal annular blank is pressed and energized towards the curved part 3d of the opponent side with a molding outer die 14 of a shaping device...
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7797806 |
Internal high-pressure shaping method for shaping conical tubes made of metal
A method for shaping a conical metal tube using a tool that has sealing pistons and a die cavity with a complex contour is described. The die cavity has two ends with a cylindrical portion of the...
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7788960 |
Multi-walled tube and method of manufacture
A method of forming multi-wall tube from a single-wall piece of tube. The multi-wall tube is formed by relative motion between a die shoe and the single-wall tube to deform the material.
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7752728 |
Method of producing a material composite with explosion-welded intermediate piece
A material composite has a part made from steel or a titanium-based material and a part made from a copper-based or aluminum-based material. The parts of the material composite are joined by way of...
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7748597 |
Device for production of a tube
The invention relates to a device (1) for production of a tube (2) with a polygonal, preferably rectangular cross-section, comprising a tube welding unit (3), in which the tube (2) is formed from a...
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7695824 |
Reinforced member
A reinforced member which is made from a steel product having a strain aging characteristic and has a closed section at a cross section perpendicular to an axis of the reinforced member. The...
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7657986 |
Method of making a folded condenser tube
A method of fabricating a condenser tube having a pre-determined tube length and multiple channels including the steps of forming an aperture in a flat strip of metal; moving the flat strip through...
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7637135 |
Method for producing from a metal sheet a hollow profile which is longitudinally slotted and provided with several longitudinal segments having different cross sections
A method for producing hollow profiles provided with different cross sections along the length thereof includes shaping the profiles in a die from one piece of cut metal sheet. According to said...
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7607333 |
Helical groove for a tubular connection
A tubular connection and methods of manufacturing a box member. The tubular connection includes a box member that includes an internal thread and a pin member that includes an external thread. The...
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7587923 |
Method of making a tubular
A method of marking a tubular includes the steps of applying an identification indicia onto the outer diameter of the tubular, forming an indicator onto at least one of the ends of the tubular such...
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7563335 |
Method of forming a housing of a vehicle occupant protection apparatus
A method of forming a dual chamber seamless tube (64) includes providing a slug of steel (56) and cold working a first end (70) of the slug (56) to form a first chamber (114) and cold working a...
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7541085 |
Flexible construction element with large bonding surface area and method of manufacture
A flexible core element having a large bonding surface area suitable for sandwich type construction comprising a plurality of first hexagonal nodes defining a first surface, a plurality of second...
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7451631 |
Spiral pipe machine
A spiral pipe machine includes a feeding assembly for continuously feeding a web of material, and a forming assembly for accepting the web. The forming assembly bends the web to form a first...
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7418849 |
Process of producing profiles whose cross-section is variable in the longitudinal direction
A process of producing profiles whose cross-section is variable in the longitudinal direction, characterised by the process stages of cutting a blank 31 with a substantially constant width along a...
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7389669 |
Mechanical stress improvement process
A process for reducing residual tensile stresses in high nickel-chromium alloy nozzle safe-end welds of pressurized water reactor nuclear pressure vessels such as are found at the reactor vessel...
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7290337 |
Manufacturing method for frame body and frame body
In this manufacturing method for a frame body, after ring rolling a metal material to form a ring-shaped member, a rectangular member is formed by pressing and deforming this ring-shaped member in...
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7287684 |
Filter cartridge assembly and method of manufacture
An apparatus for filtering well fluids and method of manufacture is disclosed. The apparatus comprises an inner support, a filter spirally wrapped around the inner support, and an outer support...
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7174761 |
Method of manufacturing a seamless pipe
When manufacturing a seamless pipe by carrying out elongation rolling and sizing on a mother tube for forming a seamless pipe, the occurrence of portions of thickness variation in the seamless pipe...
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7107682 |
Method for manufacturing tubes and profiles
The invention relates to a method for manufacturing tubes and profiles with variable wall thickness over the length. The method comprises the steps of flexible rolling of continuous material strip...
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7051768 |
Hydroform process and hydroform product
When hydroforming a steel pipe, a tubular deformation assisting member made of an incompressible material softer than the steel pipe is fitted on the outer peripheral surface of the steel pipe. The...
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7032429 |
Pipe shut off tool
A pipe shut off tool is provided which may comprise a jaw that may be engaged to a defective pipe and a pump operative to translate the jaw between a crimping position and a release position. The...
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7010951 |
Feeding mechanism of an automatic pipe bending machine
A feeding mechanism of a pipe bending machine is equipped with several auxiliary hydraulic cylinders in addition to an original power source for providing power to feed a pipe; the auxiliary...
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6948649 |
Method of producing steel pipes, and welded pipes
The high yield ratio problem intrinsic in high-strength steel pipes is solved and a method of producing a steel pipe, while securing the pipe roundness is provided. A steel pipe produced from a...
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6851172 |
Method for securing a rod-shaped part in a holding member
In a method of securing a rod-shaped part in a surrounding holding member, a flat holding member is fabricated with opposite side edges that are formed with elements configured for interlocking...
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6785947 |
Method of producing a core board product
A method of making core board product may be under the control of a processing unit. A first tubular core may be dispensed to a conveying portion to support the first tubular core at an interim...
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6715418 |
Apparatus for producing a sleeve-like printing form
Apparatus includes a housing, a feed table outside the housing for receiving a plate-like blank, a round shaping device in the housing for shaping the blank into a sleeve-like printing form, a...
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6589373 |
Selectively heat treated airbag canister and method for making same
A selectively heat treated canister for use in a vehicle airbag deployment system is configured to contain combustion materials and to contain gases produced from the combustion thereof. The...
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6579579 |
Container made of a light metal alloy and process for its manufacture
A container, in particular a container with a tube-shaped wall, made of a light metal alloy for use as a reaction chamber in a process for manufacturing wafers. The container wall is made by way of...
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6516646 |
Device for manufacturing a hollow body from two plates
A device for manufacturing a hollow body from two plates. The device includes an internal high pressure forming tool having an interior surface defining a mold chamber corresponding to a shape of...
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6336254 |
Curved handle adapted for attachment to a wheelbarrow or the like, and a method of manufacturing the same
A handle attachment is appended to a straight wheelbarrow handle. A first portion of the attachment has a specially designed flared end which is fitted to securely engage a rectangular portion of...
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6237389 |
Apparatus and method for forming screw-thread on a pipe
In an apparatus and a method for forming threaded portions around a metal pipe with accuracy and ease, a preliminary forming is performed so as to recess portions of the metal pipe a little bit...
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6234000 |
Ball-bat repairing method
The present invention provides a ball-bat repairing apparatus to repair, for example, softball and baseball bats, in which particularly aluminum ball-bats which have been deformed from repeated use...
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6196530 |
Method of manufacturing stabilizer for motor vehicles
Stabilizer (1) for motor vehicles which has a toroidal cross section, and which is formed of several stabilizer sections that, together, create a U-shape having a pair of U-legs (2) connected by a...
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6059321 |
Grip coupling for joining conduit
A fitting is provided for joining to a smooth exterior periphery of a tubular conduit with a seal member sealing therebetween. The fitting has a tubular body with a central passage for receiving...
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5979201 |
Hydroforming die assembly for pinch-free tube forming
A die assembly having die structures that are cooperable to define a die cavity into which a metallic tubular blank can be disposed. A first die structure is moveable to seal the die cavity, and...
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5964019 |
Method for making irrigation standpipe flow diverter
A flow diverter 10 for mounting on the flange 53 of an irrigation standpipe valve 52 comprising a hollow cylindrical body 12, having a side opening 14, an anchor strap 16 formed integrally with the...
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5956988 |
Process for heading pipe ends and device for implementing it
The present invention is a novel device and method of shaping an end of a pipe. One end of a pipe is inserted into a shaped die in such a way that the outer surface of the pipe rests against the...
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5924316 |
Method of manufacturing pipes having sections with different wall thicknesses
A method of manufacturing pipes having sections with different wall thicknesses from an initially plane sheet metal in which a starting sheet metal is subjected to a rolling deformation so as to...
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5836624 |
Metal part including a spherical wall element, and an exhaust ball-coupling including such a part
The spherical wall element (2, 15) is provided with a series of work-hardened annular strips (16, 17) spaced apart and extending substantially coaxially so as to form reinforcement that is not very...
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5819807 |
Braided conduit and method of making a braided conduit
Flexible convoluted conduit covered with braid made by cold forming the braid to an end of the conduit. Cold forming can involve magneforming. Resulting conduit is not brazed, welded, or annealed,...
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5393109 |
Pipe connection having a cutting ring
In a pipe connection having a cutting ring comprising a metallic compound, in particular an alloy with the constituents CrNiMo, which cutting ring surrounds the pipe wall and can be pressed into...
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5310163 |
Barriers
A barrier is fixed on a wall or other perimeter structure by way of support posts. The barrier has a support shaft along which a number of rotatable units are mounted. Each rotatable unit is formed...
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