Invention Application
- Patent Title: Alternative stamp die device
- Patent Title (中): 替代邮票模具设备
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Application No.: US10001603Application Date: 2001-10-25
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Publication No.: US20020078836A1Publication Date: 2002-06-27
- Inventor: John A. Goyette , Joel A. Allegrezza , Charles D. Battersby , Christopher M. Sullivan
- Main IPC: B31F001/07
- IPC: B31F001/07 ; B44B005/00
Abstract:
An alternative stamp die is designed with tapered areas and non-tapered areas to provide for a longer lived stamp die while avoiding the problems associated with slug pulling.
Information query
