Is a
Patent attributes
Current Assignee
Patent Jurisdiction
Patent Number
Date of Patent
October 13, 2015
Patent Application Number
13519376
Date Filed
December 27, 2010
Patent Citations Received
Patent Primary Examiner
Patent abstract
An elastic thread supply device including a tension controller configured to control the stress acting upon an elastic thread drawn from an elastic thread package, and a drive roll configured to supply the elastic thread dispensed from the tension controller to a processing line. The drive roll operates at a supply velocity slower than a conveyance velocity of a web, and increases or decreases the supply velocity depending on the fluctuation in the conveyance velocity.
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