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INDUCTIVE COMPONENTS
   
Document Number
US Patent 3775721
Issued Date
November 27, 1973
Link
Inventors
Koh; Chew Seng (Singapore City,SG)
Map
Abstract
An inductive component having a central core comprises two stacks of U-shaped laminations disposed side by side so that the adjacent limbs constitute the central core. The outer limbs of the two stacks are bent towards the central core with the laminations at the ends of the outer limbs parallel to those of the central core.
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INDUCTIVE COMPONENTS - US Patent 3775721 Drawing
Drawing from US Patent 3775721
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Number of Claims:
6
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Owner
Published
November 27, 1973
Application Number
05/278,126
Filed
August 4, 1972
US Classification
336/160   336/212 336/217 336/234
Int'l Classification
H01F   27/245   (20060101)  
Examiner
USPTO Field of Search
336/160   336/212   336/234   336/214   336/215   336/216   336/217   336/83  
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6855284 - Process for bending a workpiece - Owned by ABB Technology AG (Zurich,CH)

A presently-preferred process for bending a workpiece includes placing a first portion of the workpiece on a substantially flat surface so that a second portion of the workpiece overhangs an edge of the substantially flat surface, and securing the first portion of the workpiece on the substantially flat surface by clamping the workpiece between the substantially flat surface and a substantially v-shaped end portion of a male die. The presently-preferred process also includes causing the second portion of the workpiece to pivot around a tip of the substantially v-shaped end portion by rotating a bending die around the tip while the bending die contacts the second portion of the workpiece.

Claims
Description
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