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US Patent 7820004 Method for producing worn article

Patent 7820004 was granted and assigned to Zuiko on October, 2010 by the United States Patent and Trademark Office.

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Patent attributes

Current Assignee
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Zuiko
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Patent Jurisdiction
United States Patent and Trademark Office
United States Patent and Trademark Office
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Patent Number
78200040
Patent Inventor Names
Takao Wada0
Date of Patent
October 26, 2010
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Patent Application Number
120903760
Date Filed
December 5, 2006
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Patent Primary Examiner
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Linda L Gray
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Patent abstract

A method for producing a worn article, capable of providing a desirable wearability while reducing the cost of production. The method includes the steps of: placing leg elastic members F along a first waveform α on a web W being carried, the first waveform α being continuous in a longitudinal direction L of the web W and having a predetermined wavelength λ and predetermined first amplitudes α1 and α2, thereby producing a composite sheet Ws; and cutting off the composite sheet Ws being carried, along a cut-off line CL having a second waveform β being continuous in the longitudinal direction L of the composite sheet Ws, having a wavelength λ equal to the wavelength λ and second amplitudes β1 and β2 smaller than the first amplitudes α1 and α2, and being in synchronism with the first waveform α.

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