Device for applying free-flowing material to a substrate...

Details Device for applying free-flowing material to a substrate... Device for applying free-flowing material to a substrate...

2006-12-12

2006-12-12

Kaufman, Joseph A. (Department: 3754)

Dispensing

With discharge assistant

Motor operated

C222S389000, C222S504000

Reexamination Certificate

active

07147136

ABSTRACT:
A device for dispensing fluid material onto a substrate including a base body with a flow channel for receiving the fluid material and a movable valve body positioned in the flow channel. The valve body is movable in a downstream direction into an open position to release a flow of the fluid material into the flow channel and is movable in an upstream direction into a closed position to interrupt the flow of the fluid material into the flow channel. A drive device moves the valve body between the open position and the closed position. A cylindrical chamber is positioned in the flow channel and the valve body includes a piston movable within the cylindrical chamber. The piston is sealed within the cylindrical chamber in such a way that when the piston moves in a first direction within the cylindrical chamber, the fluid material is displaced from the flow channel and when the piston is moved in a second direction opposite to the first direction, the fluid material is drawn into the flow channel.

REFERENCES:
patent: 3385474 (1968-05-01), Roby, Jr.
patent: 3459340 (1969-08-01), Smith
patent: 4678100 (1987-07-01), Gelinas et al.
patent: 5065910 (1991-11-01), Fiedler
patent: 5765729 (1998-06-01), Miller et al.
patent: 5769136 (1998-06-01), Kanematsu et al.
patent: 6056155 (2000-05-01), Byerly et al.
patent: 2002/0139818 (2002-10-01), McGuffey
patent: 1147820 (2001-10-01), None

Affiliated with

Also associated with

Rating

Device for applying free-flowing material to a substrate... does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Device for applying free-flowing material to a substrate..., we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Device for applying free-flowing material to a substrate... will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-3683940