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7509829 |
Mandrel assembly and method of using the same
A mandrel assembly has a mandrel, a biasing member, and a outer member. The biasing member biasly maintains the outer member in a first position, which corresponds to a contoured portion of the...
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7210325 |
Tube thread forming apparatus and method
A tube partial thread forming apparatus and method is disclosed. A tube is placed on the apparatus around internal die sections, which are separated by a mandrel to cause the internal die sections...
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5836197 |
Integral machine tool assemblies
An improved machine tool assembly for use with sizing and shaping machines comprising a translating body, a stationary body, and an interconnecting structure is provided. The translating body can...
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5768934 |
Outer joint part produced as a formed plate metal part
An outer joint part for a constant velocity universal ball joint, produced from a tubular member formed from a plate metal part and provided with substantially longitudinally extending ball tracks...
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5160108 |
Process and tool for producing a barrel for a telescopic universal transmission joint
A barrel to be formed has internal tracks of circular profile which abut ridges (4). The process starts with a sheet-metal blank which is arranged around an inner shaping mandrel equipped with...
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4852380 |
Method and device for shaping by hammering a corrugated tube and the application thereof to tubes for the automobile industry
A shaping device for corrugating a tube includes at least one mandrel which is radially expansible and has a body associated with at least one relatively resilient arm which carries on its surface...
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4831863 |
Apparatus for forming loop-shaped starting pieces such as metallic binding bands into prescribed final shapes
A method and apparatus are disclosed for reforming the initial shape of an approximately loop-shaped starting piece into a final prescribed loop-shape. A plurality of elongated elements such as...
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4827747 |
Method for producing a bellows with oval cross section and apparatus for carrying out the method
After a metallic cylindrical tube is bulged to form a bellows with a circular cross section, this bellows is ovalized to form a bellows with an oval cross section. For this reason, an inexpensive...
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4813262 |
Method for forming loop-shaped starting pieces such as metallic binding bands into prescribed final shapes
A method and apparatus are disclosed for reforming the initial shape of an approximately loop-shaped starting piece into a final prescribed loop-shape. A plurality of elongated materials such as...
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4798076 |
Nipple forming apparatus
The specification discloses extension nipple formation at acute angles on tubular engine exhaust manifold bodies for lap weld attachment of side runners. An articulated or single axis mandrel is...
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4635456 |
Device for shot-peening inside surface of U-bend region of heat exchanger tubing
Apparatus (10) for imparting protecting compressive stresses to the inside surfaces of a U-shaped heat exchanger tube (12) in order to eliminate or substantially reduce residual tensile stresses...
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4576031 |
Quick disconnect arbor and die head for tube stock sizing apparatus
A quick disconnect arbor and die head for a tube stock sizing apparatus. A plurality of arbors and die heads are slidably mounted to a tube stock sizing apparatus and are respectively urged into...
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4470290 |
Thin-wall sleeve forming
Apparatus (22,22') for forming thin-wall sleeves (24) is disclosed as including a spring biaser (52) for tools (48) of the apparatus. A mandrel (36) and a tool housing (42) cooperate to mount the...
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4470288 |
Manufacturing method and apparatus for shell of universal-joint
Manufacturing method for a tubular shell of a constant velocity universal-joint for flexibly coupling two rotary shafts, to one of which the shell is fixed at a flange thereof. The method comprises...
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4428220 |
Method and tool for the cold forging of internally profiled tubes
A method and tool for cold forging or cold hammering of internally profiled tubes, whereby a forging blank (2) is while rotated, forged by the action of a number of forging hammers (4), whereby the...
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4389147 |
Can support system
A mechanism for locating a hollow tubular can body relative to an internal support mandrel including a resilient member adapted to bear against a portion of the can body in order to positively...
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4381659 |
Method of manufacturing universal joint housing
A housing for a tri-pot universal joint is manufactured from a tube blank which is cold formed in a two-step indenting process. The indenting process forms the middle of the tube into a tri-lobal...
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4154082 |
Manufacture of yokes for dynamo electric machines
A method of manufacturing a yoke for a dynamo electric machine wherein a transversely divided two-part mandrel is inserted into a hollow ferromagnetic sleeve of wall thickness and diameter equal to...
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3889511 |
Method of making a controlled torque connecting member
A connector in the form of a metal tubular member is made by compressing circumferentially spaced radial segments around the tube on a mandrel while forming external longitudinal folds between the...
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3831422 |
METHOD OF PRODUCING TWO PIPE CONNECTIONS FROM A SINGLE FORGING
A novel and relatively inexpensive process is provided for making high quality metallic connector members for metal conduits, pipes, pressure vessels, etc. the same frequently weighing, for...
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3765207 |
METHOD AND APPARATUS FOR WORKING OR FINNING TUBING
Fins or threads are formed on the exterior surface of infinite length tubing restrained against rotation and continuously fed longitudinally to a rotating fin forming head. A mandrel initially...
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3759203 |
CONTAINER SHAPING APPARATUS
An apparatus for reforming a cylindrical can body to a generally rectangular body. The apparatus includes means for holding the side seam clamped while the can body is being stretched into...
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3670555 |
METHOD OF FABRICATING STRUCTURAL MEMBERS
A method of fabricating a structural member by arranging a length of formable material in overlying relation to one or more recesses defined by a mandrel or mandrels. One or more rams are utilized...
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3581543 |
ROLL FORMING APPARATUS FOR SHEET METAL
A pair of forming rolls for forming an outwardly opening return bent channel formation at an end of a cylindrical sheet metal workpiece such as a duct. The channel is formed in two operations. The...
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3452580 |
METHOD AND MACHINE FOR THE MANUFACTURE OF SOLDER SWEAT FITTINGS
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3406548 |
Method and apparatus for making wheel rims
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3403543 |
Apparatus for forming flattened tubes with constant radii edge sections
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3368376 |
Method and apparatus for making pulleys
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3349599 |
Method and apparatus for forming a beaded shell
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3348396 |
Magnetic forming apparatus, device and method for making deep grooves on parts made of conducting materials, particularly tubes made of metal or ceramic-metal materials
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