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6821359 |
A deburring method of removing burrs present on the surface of a yoke component, made from a low steel carbon steel, of a voice coil motor for a hard disk drive, includes a first step of subjecting the yoke component to a barrel polishin...
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6334906 |
The invention provides a method and apparatus for oxygen cutting continuously cast billets, in which a cutting member ( 8 ) and a trimming member ( 9 ) are positioned relative to the billet to be cut ( 1 ) by taking a reference directly ...
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5683821 |
The workpiece is obtained by cutting a metal product by oxygen cutting. An oxygen cutting jet is sent onto a preheated cutting zone of the product. A peripheral sleeve of additional gas is formed around the oxygen cutting jet so as to se...
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4826541 |
A method of thermal deburring of metal parts which is carried out in a chamber in two stages. The chamber is initially filled with a mixture of a combustible gas and air, the amount of each component in the mixture and the pressure there...
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4450015 |
A method and apparatus for providing a smooth radius on an edge of a sheared metal sheet are disclosed. The apparatus includes a heating element, such as an oxy-acetylene torch, and a supporting frame incorporating means for translating ...
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4414041 |
A guide system for a gas cutting torch used to bevel the ends of pipe in preparation for welding includes a circular sleeve with integral spacer bars coacting with a radial screw for fixing the circular sleeve coaxially around a pipe to ...
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4394007 |
A thermal deburring chamber has interchangeable inner parts exposed to wear backed by permanent parts providing support and cooling. The inner parts fit so as to permit some expansion without transmitting excessive thermal or mechanical ...
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4356043 |
A cutting tool carrier for holding a plurality of cutting tools, each tool requiring certain utilities to operate. The carrier includes a body, a plurality of tool holders pivotally mounted within the body and each adapted to receive a c...
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4329187 |
A trimming apparatus comprises a trimming mechanism including a carriage movable along the path of travel of a sheet segment which has been cut from a continuous metal sheet by melting a localized area thereof, a slag being formed on an ...
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RE29408 |
A sealed system process for the elimination (destruction or removal) of superfluous projections, such as unwanted burrs and sharp edges, on shaped or fabricated articles of manufacture, particularly those produced by mechanical shaping o...
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3928084 |
A burning tip for an industrial gas cutting torch comprising an elongated hollow outer shell element having an insert mounted therein. The lower end of the insert terminates inside and spaced from the lower end of the hollow shell elemen...
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3898110 |
A tip for an industrial gas cutting torch is disclosed comprising an elongated hollow shell element having a cone element mounted therein. The lower end of the cone element terminates inside and adjacent the lower end of the hollow shell...
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3663309 |
A flame cutting torch cuts tulip shaped edges of certain depth with the cutting pressure being adjusted to the cutting depth and reduced by more than 50 percent and with the torch nozzle heated unilaterally at the side disposed toward th...
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3661654 |
The flame cutting of seams to predetermined depths is characterized by reducing the cutting oxygen pressure more than 50 percent, and preferably 75 percent, of conventional cutting oxygen pressures. The cutting oxygen pressure is prefera...
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3645798 |
Method for thermochemically scarfing a semifinished product having a horizontal face and a vertical face. A scarfing torch scarfs simultaneously contiguous strips of both faces. A row of burners heats the upper portion of the vertical fa...
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3475229 |
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2443710 |
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2363828 |
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2329270 |
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2301923 |
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2290290 |
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2287103 |
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2280151 |
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2202130 |
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2184561 |
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2184560 |
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2152213 |
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2137801 |
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2125182 |
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2125181 |
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2125180 |
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1787247 |
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3701692 |
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1186358 |
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