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US20090205396 |
EXPLOSION FORMING SYSTEM
An explosion forming apparatus (10) that preferably utilizes a shock wave (42) directed along a work piece (12) to progressively conform the work piece to a contour die cavity (44).
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US20070186617 |
Electromagnetic blank restrainer
Apparatus for forming an article from a blank of sheet metal including electromagnet field producing means disposed adjacent a die cavity for selectively energizing the field producing means for...
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US20100175449 |
IGNITION DEVICE FOR EXPLOSIVE FORMING
Through the invention, an ignition device for explosive forming of work pieces in a forming die, which has an ignition mechanism and an ignition tube, and in which the ignition tube guides the...
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US20110308294 |
Punch Press Oscillating Tool Insert
In certain aspects of the invention, punching machines and tools for punching machines are provided that include mechanical devices driven by a driving device of the punching machines and are used...
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US20110072877 |
MARKING APPARATUS USING MAGNETISM
Provided is an apparatus for marking a metal using magnetism. The apparatus includes an upper body having an elastic unit insertion groove in which an elastic unit is inserted, an operation body...
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