Dispensing – With heating or cooling means – Heating only
Reexamination Certificate
2009-03-23
2010-11-02
Shaver, Kevin P (Department: 3754)
Dispensing
With heating or cooling means
Heating only
C222S504000, C222S559000, C251S129090, C251S062000, C251S058000
Reexamination Certificate
active
07823752
ABSTRACT:
A device for dispensing a heated liquid, such as a hot melt adhesive, which includes a dispenser body adapted to dispense the heated liquid, a solenoid valve, and a pneumatic section including a housing coupled between the solenoid valve and dispenser body. The pneumatic housing is formed from a thermally insulating material which may include a thermoplastic polymer such as polyphenylene sulfide (PPS) or a fluoroplastic polymer to reduce heat transfer from the dispenser body through the pneumatic housing thereby thermally insulating the solenoid valve.
REFERENCES:
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patent: 3815788 (1974-06-01), Reighard et al.
patent: 6499629 (2002-12-01), Colangelo et al.
patent: 6669057 (2003-12-01), Saidman et al.
patent: 7025081 (2006-04-01), Colangelo et al.
patent: 2003/0080153 (2003-05-01), Saidman et al.
patent: 2004/0011817 (2004-01-01), Colangelo et al.
Chinese Patent Office, Chinese Office Action in Application No. 2005101184732, issued Sep. 28, 2007, 12 pages.
Nordson Corporation
Shaver Kevin P
Tyler Stephanie E
Wood Herron & Evans L.L.P.
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