Bor-Tsuen
Bor-Tsuen Lin, Taipei City TW
Patent application number | Description | Published |
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20130098132 | PUNCH WITH GROOVE STRUCTURE, AND MICRO-DRAWING DEVICE USING THE SAME - Provided is a micro-drawing device using punch having groove structure. The micro-drawing device includes a first die base assembly, a second die base assembly and a punch. The first die base assembly includes a fixing part; a position of the second die base assembly is corresponding to a position of the first die base assembly, and the second die base assembly includes a die cavity part; and the punch includes a fixing end and a work piece processing end, wherein a position of the work piece processing end is corresponding to a position of the fixing end, the fixing end is used to be disposed at the fixing part, and the work piece processing end faces the die cavity part; wherein, a plurality of grooves is provided at a peripheral surface of the work piece processing end. The present invention also discloses a punch having groove structure. | 04-25-2013 |
Bor-Tsuen Lin, Kaohsiung City TW
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20140182437 | TRIMMING DIE AND PUNCH THEREOF - A trimming die includes a first die base assembly, a second die base assembly, and a trimming punch. The first die base assembly includes a fixing portion; the second die base assembly is positioned opposite the first die base assembly; the second die base assembly includes a die cavity portion; the die cavity portion has a die cavity and a die cavity inner wall; the die cavity inner wall has a plurality of first slant grooves; the punch has a fixing end portion and a trimming end portion positioned opposite the fixing end portion; the fixing end portion is disposed at the fixing portion; the trimming end portion is positioned corresponding to the die cavity; a peripheral surface of the trimming end portion includes a plurality of second slant grooves. A trimming punch is also provided. | 07-03-2014 |
20150089990 | BENDING DIE HAVING SURFACE MICROSTRUCTURES AND BENDING PUNCH THEREOF - Provided are a bending die having surface microstructures and a bending punch thereof applicable to stamping processing to bend a blank to form a shape. The bending die includes a lower die, an upper die, and a workpiece placing piece. The lower die includes a die, and the die includes a forming surface. The upper die includes a bending punch, the bending punch stamps a blank placed on the die in a back and forth stroke, and the bending punch includes a working portion coming into contact with the blank during stamping. The workpiece placing piece is disposed between the upper die and the lower die and used to position or/and press the blank placed on the die. A plurality of microstructures are disposed on the forming surface and/or on the surface of the working portion. | 04-02-2015 |
Bor-Tsuen Lin, Taipei TW
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20150352628 | Drawing Die With Lower Die Provided With Microstructures - A drawing die with a lower die provided with microstructures is provided, including a lower die. The lower die is secured on a lower die holder, coordinates with a blank pressing plate to clamp a board and performs drawing processing on the board by using a punch moving relative to the lower die, where a top working surface, a shoulder surface, and a die cavity side wall surface of the lower die include multiple microstructures sunken into the surfaces, or a surface, which touches the board when drawing is performed, of the lower die includes multiple microstructures sunken into the surface. | 12-10-2015 |
Bor-Tsuen Wang, Neipu Hsiang TW
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20120061175 | Board Capable of Generating a Harmonic Sound - A board includes a board body having a striking face and first and second symmetric axes defined in the striking face and perpendicular to each other and intersect with each other at a center of the striking face. The body includes first and second edges symmetric to each other relative to the first symmetric axis. The body further includes first and second wavy edges symmetric to each other relative to the second symmetric axis. The striking face is surrounded by the first and second edges and the first and second wavy edges. When an area around the center of the striking face is stricken, a plurality of natural frequencies is generated. The overtones of the natural frequencies are approximately integer multiple of the fundamental frequency, providing a harmonic sound and enhancing the sweetness of the sound. | 03-15-2012 |