Pump with integral filter for a hot melt adhesive system

Details Pump with integral filter for a hot melt adhesive system Pump with integral filter for a hot melt adhesive system

2006-05-30

2006-05-30

Cartagena, Melvin A. (Department: 3754)

Dispensing

With filter

With discharge assistant

C222S146500, C425S19200R, C210S130000

Reexamination Certificate

active

07051904

ABSTRACT:
An pump for use with a dispensing unit of a hot melt adhesive system includes a removable filter. The filter is coupled with a cartridge which is threaded into a chamber of the pump. The chamber is located between the inlet and outlet of the pump so that this portion of the flow path through the pump ensures passage of the hot melt adhesive through the removable filter. The pump provides convenient access to the filter for service and replacement.

REFERENCES:
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patent: 3912630 (1975-10-01), Reighard et al.
patent: 4485941 (1984-12-01), Frates et al.
patent: 5061170 (1991-10-01), Allen et al.
patent: 5456828 (1995-10-01), Tersi et al.
patent: 5735588 (1998-04-01), Dittman et al.
patent: 6131770 (2000-10-01), Allen
patent: 6155806 (2000-12-01), Andel
patent: D462738 (2002-09-01), Byerly
patent: 0286065 (1988-10-01), None
patent: 2324904 (1977-04-01), None

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