Plastic and nonmetallic article shaping or treating: processes – With measuring – testing – or inspecting
Reexamination Certificate
2004-03-30
2008-12-30
Heitbrink, Jill L (Department: 1791)
Plastic and nonmetallic article shaping or treating: processes
With measuring, testing, or inspecting
C425S145000, C425S163000, C700S098000, C700S200000
Reexamination Certificate
active
07470382
ABSTRACT:
An object of the present invention is to achieve favorable injection molding with reduced mold clamping force required for molding and with suppression of weld line occurrence without repeating trial and error manually, by prompt calculation of adequate production parameters, when conducting injection molding of resin products. When the injection molding is conducted using a mold having a plurality of resin inflow conduits N, R, G1, G2, and G3to the cavity CV, the combination of a numerical analysis method for calculating the injection molding process and a computer-aided optimization method, derives the production parameters which determine time-sequentially the inflow of resin material through resin inflow conduits.
REFERENCES:
patent: 5812402 (1998-09-01), Nishiyama et al.
patent: 6096088 (2000-08-01), Yu et al.
patent: 6454973 (2002-09-01), Norton
patent: 6558605 (2003-05-01), Wilson
patent: 6816820 (2004-11-01), Friedl et al.
patent: 2003/0149498 (2003-08-01), Rebello et al.
patent: 2004/0047935 (2004-03-01), Moss et al.
patent: 08-118420 (1996-05-01), None
patent: 2001-277308 (2001-10-01), None
patent: 2002-355866 (2002-12-01), None
patent: WO 02/100623 (2002-12-01), None
Nagaoka et al., “Application of CAO Technique to Injection Molding Analysis”, V-212, Jun. 13, 2003, with English Abstract.
Nagaoka et al., “Application of CAO Technique to Injection Molding Analysis”, C217, Nov. 4, 2003, with English Abstract.
Nagaoka et al., “New Method of Designing Runner System for Injection Mold Using CAO Technique”, ANTEC 2004.
Hirota Tomoo
Nagaoka Shinichi
Togawa Yoshiaki
Heitbrink Jill L
Sughrue & Mion, PLLC
Sumitomo Chemical Company Limited
LandOfFree
Method for determining a production parameter of an... does not yet have a rating. At this time, there are no reviews or comments for this patent.
If you have personal experience with Method for determining a production parameter of an..., we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Method for determining a production parameter of an... will most certainly appreciate the feedback.
Profile ID: LFUS-PAI-O-4041472