Invention Grant
- Patent Title: Articles and methods of making articles having a concavity or convexity
- Patent Title (中): 制造具有凹凸性的物品和方法
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Application No.: US12743350Application Date: 2008-10-14
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Publication No.: US08088325B2Publication Date: 2012-01-03
- Inventor: Atsushi Toyota , Shoichi Masuda
- Applicant: Atsushi Toyota , Shoichi Masuda
- Applicant Address: US MN St. Paul
- Assignee: 3M Innovative Properties Company
- Current Assignee: 3M Innovative Properties Company
- Current Assignee Address: US MN St. Paul
- Agent Adam Bramwell; Kristofor L. Storvick; Robert S. Moshrefzadeh
- International Application: PCT/US2008/079797 WO 20081014
- International Announcement: WO2009/067308 WO 20090528
- Main IPC: B29C49/00
- IPC: B29C49/00

Abstract:
Articles and methods of making an articles having at least one convexity or at least one concavity are described. A first article having at least one concavity is prepared using a molding surface that includes at least one gas bubble. A second article having at least one convexity is prepared using the first article as a mold.
Public/Granted literature
- US20100323184A1 ARTICLES AND METHODS OF MAKING ARTICLES HAVING A CONCAVITY OR CONVEXITY Public/Granted day:2010-12-23
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