Data processing: generic control systems or specific application – Specific application – apparatus or process – Product assembly or manufacturing
Reexamination Certificate
2005-02-01
2005-02-01
Picard, Leo (Department: 2125)
Data processing: generic control systems or specific application
Specific application, apparatus or process
Product assembly or manufacturing
C700S197000
Reexamination Certificate
active
06850810
ABSTRACT:
A method for enabling design of a profile extrusion capping die includes, obtaining a size and configuration of a land formable by the capping die, obtaining material properties of a capping resin, obtaining operating conditions for processing the capping resin, and determining, from the size and configuration of the land, the material properties, the operating conditions, at least one of a velocity distribution and a pressure distribution of the capping resin adjacent to an outlet of the land. Desirably, the method also includes obtaining a size and configuration of a runner formable by the profile extrusion capping die, and determining at least one of the velocity distribution and the pressure distribution of the capping resin in the land and the runner. Advantageously, the method is implemented on a system or computer using a finite element mesh of the land and the runner and graphically displaying the velocity distribution and the pressure distribution. The system allows a designer to design a profile extrusion capping die electronically by revising the size and configuration of the land, runner, and/or inlet gate, to obtain a uniform velocity of the capping resin along the land outlet thus resulting in a capping having a uniform thickness.
REFERENCES:
patent: 4534003 (1985-08-01), Manzione
patent: 5377119 (1994-12-01), Backer et al.
patent: 5608637 (1997-03-01), Wang et al.
patent: 5835379 (1998-11-01), Nakano
patent: 5926393 (1999-07-01), Wang et al.
patent: 5989780 (1999-11-01), Strong
patent: 6161057 (2000-12-01), Nakano
patent: 835735 (1997-10-01), None
“Coating Weight Uniformity and Die Internal Design” by John Chong, Journal of Imaging Science and Technology, vol. 41, No. 1, Jan.-Feb. 1997, pp. 41-47.
“A New Design Procedure for Profile Extrusion Dies” by P. Hurez and P.A. Tanguy, Polymer Engineering and Science, Mid-March 1996, vol. 36, No. 5, pps. 626-634.
“Computer Aided Design of Wire Coating Dies”, by P.G. Lafleur and P. Arpin and V. Lenir—Advances in Polymer Technology, vol. 13, No. 4, 297-304 (1994).
“A Design Procedure for Profile Exctrusion Dies”, P. Hurez and A. Tanguy, Polymer Engineering and Science, Mid-Mar. 1996, vol. 36, No. 5, pps. 626-635.
Lee Martin Kin-Fei
Perry Erin Marie
Wang Hsin-Pang
Caruso Andrew J.
Freedman Philip D.
General Electric Company
Picard Leo
Rapp Chad
LandOfFree
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