Weld detecting method and weld detecting apparatus

US9109867B2 · US · B2

Patent metadata
FieldValue
Publication numberUS-9109867-B2
Application numberUS-201013509847-A
CountryUS
Kind codeB2
Filing dateNov 16, 2010
Priority dateNov 16, 2009
Publication dateAug 18, 2015
Grant dateAug 18, 2015

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  5. First independent claim

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Abstract

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A weld detecting method that detects a weld on a work includes: obtaining in advance at least one correlation, from among a correlation between a width of the neck and an amount of elongation of the work and a correlation between the width of the neck and an amount of change in at least one of a sheet thickness and a sheet width of the work before and after elongation of the work, and calculating the width of the neck based on the at least one correlation by obtaining at least one of the sheet thickness, the sheet width, or the amount of elongation of the work from the obtained at least one correlation; setting a conveying speed, according to the calculated width of the neck; and detecting the neck by measuring the sheet width of the work at predetermined intervals, while conveying the work the set conveying speed.

First claim

Opening claim text (preview).

The invention claimed is: 1. A weld detecting method that detects a weld on a work, by detecting a neck formed at the weld on the work, when elongating the work, comprising: obtaining at least one correlation, from among a correlation between a width of the neck and an amount of elongation of the work and a correlation between the width of the neck and an amount of change in at least one of a sheet thickness and a sheet width of the work before and after elongation of the work;…

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What does patent US9109867B2 cover?
A weld detecting method that detects a weld on a work includes: obtaining in advance at least one correlation, from among a correlation between a width of the neck and an amount of elongation of the work and a correlation between the width of the neck and an amount of change in at least one of a sheet thickness and a sheet width of the work before and after elongation of the work, and calculati…
Who is the assignee on this patent?
Fukushima Masato, Suzuki Yuji, Iwazaki Shinichi, and 1 more
What technology area does this patent fall under?
Primary CPC classification G01B5/0037. Mapped technology areas include Physics.
When was this patent published?
Publication date Tue Aug 18 2015 00:00:00 GMT+0000 (Coordinated Universal Time) (B2). Legal status and post-grant events are not shown on this page.
What related patents are in patentsdb?
We list 8 related publications on this page (citations in our corpus or others sharing the same primary CPC).