Invention Grant
- Patent Title: Extrusion apparatus for making multilayer articles
- Patent Title (中): 用于制造多层制品的挤出设备
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Application No.: US12032054Application Date: 2008-02-15
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Publication No.: US07713047B2Publication Date: 2010-05-11
- Inventor: Albert Chin , John Jianhua Chen , Ronald A. Sahatjian , Thomas A. Svatek
- Applicant: Albert Chin , John Jianhua Chen , Ronald A. Sahatjian , Thomas A. Svatek
- Applicant Address: US MN Maple Grove
- Assignee: Boston Scientific Scimed, Inc.
- Current Assignee: Boston Scientific Scimed, Inc.
- Current Assignee Address: US MN Maple Grove
- Agency: Crompton, Seager & Tufte, LLC
- Main IPC: B29C47/06
- IPC: B29C47/06 ; B29C47/20
Abstract:
In certain aspects of the invention, an extrusion apparatus for making a multilayer article includes multiple discs, each of which has at least one passageway configured to permit fluid flow therethrough in a flow direction. At least one of the discs includes a cone shaped portion extending substantially parallel to the flow direction.
Public/Granted literature
- US20080145469A1 EXTRUSION APPARATUS FOR MAKING MULTILAYER ARTICLES Public/Granted day:2008-06-19
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