Is a
Patent attributes
Current Assignee
Patent Jurisdiction
Patent Number
Date of Patent
April 24, 2007
Patent Application Number
10788088
Date Filed
February 26, 2004
Patent Citations Received
Patent Primary Examiner
Patent abstract
In one embodiment, an apparatus for shaping an article may comprise a plurality of movable dies arranged to form a chamber whose size may be varied by moving the dies. Each of the dies may have a contacting surface for contacting the article to be shaped. The chamber may have a first portion having a first cross-section and a second portion having a second cross-section. Either portion may include a taper. The first portion may have a differently shaped cross-section than the second portion. The first portion may have a cross-section of greater area than the second portion. The longitudinal axis of the first portion may be offset from the longitudinal axis of the second portion.
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