发明申请
US20090078133A1 THIN-WALLED HOT FOIL STAMPING CYLINDER AND METHOD OF FABRICATION
审中-公开
薄壁热盖冲压缸及其制造方法
- 专利标题: THIN-WALLED HOT FOIL STAMPING CYLINDER AND METHOD OF FABRICATION
- 专利标题(中): 薄壁热盖冲压缸及其制造方法
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申请号: US11859620申请日: 2007-09-21
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公开(公告)号: US20090078133A1公开(公告)日: 2009-03-26
- 发明人: Larry R. Hutchison , Derek Smith
- 申请人: Larry R. Hutchison , Derek Smith
- 申请人地址: US KS Overland Park
- 专利权人: Universal Engraving, Inc.
- 当前专利权人: Universal Engraving, Inc.
- 当前专利权人地址: US KS Overland Park
- 主分类号: B41F3/00
- IPC分类号: B41F3/00 ; B21D53/00
摘要:
A thin-walled hot foil stamping cylinder of predetermined diameter is formed from an extruded cylindrical tube having a wall of initially uniform cross-sectional thickness. Portions of the outer cylindrical surface of the wall are relieved to define raised, outwardly-projecting hot foil stamping indicia. End caps close opposed ends of the cylindrical tube. One of the end caps is provided with a passage therethrough for introduction of hot oil into the cylindrical interior space of the tube. A passage in at least one of the end caps that communicates with the interior of the tube permits selective draining of oil from the tube. The overall outer surface of the tube may be machined to reduce the tube to a predetermined diameter, prior to relieving the surface thereof to form the indicia. In this manner, a single extruded tube may be used to produce hot foil stamping cylinders of individual diameters corresponding to standard image repeats.
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