Dispensing – With discharge assistant – Plural
Reexamination Certificate
2006-11-28
2009-10-13
Shaver, Kevin P (Department: 3754)
Dispensing
With discharge assistant
Plural
C222S058000, C222S080000, C222S319000, C222S387000, C222S405000, C222S001000
Reexamination Certificate
active
07600658
ABSTRACT:
A viscous material feed system, comprises a feed tube that receives material expressed from a container; and a container evacuator comprising a chamber to hold a container to express material from the container to the feed tube and a plunger comprising a platen axially and slidably accommodated within the chamber, the platen comprising an O-ring fitted against a platen driving face; a full ring with tabs extending to secure the O-ring to the platen driving face with a circumferential surface exposed to the chamber and a vacuum breaker valve to the chamber that seals the platen face when in contact with container material and retains residual material adhering to the platen face when the valve is activated at a termination of a driving cycle of the platen through a container content.
REFERENCES:
patent: 3244333 (1966-04-01), Kohn et al.
patent: 4067483 (1978-01-01), Mucke
patent: 4071168 (1978-01-01), Stone
patent: 4154044 (1979-05-01), Lang
patent: 4221102 (1980-09-01), Lang
patent: 4284597 (1981-08-01), Stein
patent: 4402428 (1983-09-01), Lang
patent: 4693286 (1987-09-01), Lock et al.
patent: 4693397 (1987-09-01), Lang
patent: 4874022 (1989-10-01), Schwerdtel
patent: 4921132 (1990-05-01), Wales et al.
patent: 4986717 (1991-01-01), Cummins et al.
patent: 5078304 (1992-01-01), Schneider
patent: 5137368 (1992-08-01), Kistner
patent: 5360146 (1994-11-01), Ikushima
patent: 5377815 (1995-01-01), Vetter
patent: 5385274 (1995-01-01), Twyman
patent: 5417169 (1995-05-01), Carpenter
patent: 5671873 (1997-09-01), Hammerl
patent: 5797516 (1998-08-01), Brandl
patent: 6056153 (2000-05-01), Inoue
patent: 6211267 (2001-04-01), Suto
patent: 6391234 (2002-05-01), Silvi
patent: 6414054 (2002-07-01), Boffard
patent: 6444154 (2002-09-01), Boudreau
patent: 6474971 (2002-11-01), Dong
patent: 6499001 (2002-12-01), Meyer
patent: 6572253 (2003-06-01), Silvi
patent: 6604559 (2003-08-01), Rubin
patent: 6749786 (2004-06-01), Boudreau
patent: 7127472 (2006-10-01), Enokida
patent: 2003/0071082 (2003-04-01), Johnson et al.
patent: 2005/0241774 (2005-11-01), Hart
patent: 91 01 116 (1991-08-01), None
patent: 2 544 699 (1984-10-01), None
Bayly Harry A.
Knox Roger
Stanton Jennifer L.
Bainbridge Andrew P
Freedman Philip D.
Momentive Performance Materials
Philip D. Freedman PC
Shaver Kevin P
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