Method of removing pulses and metering flow in an adhesive dispe

Details Method of removing pulses and metering flow in an adhesive dispe Method of removing pulses and metering flow in an adhesive dispe

1991-01-11

1992-11-24

Beck, Shrive

Coating processes

Coating remains adhesive or is intended to be made adhesive

118323, 118410, 118DIG2, 222 1, 222373, 222380, 2223865, 222389, 427284, 427287, B05D 510

Patent

active

051659611

ABSTRACT:
A system and method for dispensing a viscous adhesive onto a glass member to be attached to a vehicle body is disclosed. A reciprocating pump supplies adhesive to a dispensing point, with a pulse dampener member disposed between the pump and the dispensing point. A rolling diaphragm defines two chambers within the pulse dampener member, with the adhesive being communicated into a first variable volume chamber. A pressurized gas force is maintained on the opposite side of the diaphragm from the first variable volume chamber. The pulse dampener member includes a T-connection, with the pump supplying fluid into a first leg, the second leg being connected to the variable volume chamber and the third leg connected to the dispensing point. As fluid enters the first leg, the amount of fluid demanded at the dispensing point moves from the first leg directly into the third leg. Any excess fluid supplied into the first leg moves upwardly into the variable volume chamber through the second leg. Should there be a deficiency in the amount of adhesive supplied by the pump, as would typically occur during low flow rate portions of the cycle of the reciprocating pump, the force from the pressurized gas chamber forces the rolling diaphragm to reduce the volume of the variable volume chamber and dispense fluid stored in the variable volume chamber into the third leg. A rotary valve is mounted at the dispensing point to provide accurate and rapid control of the amount of fluid dispensed. Most preferably, the rotary valve is mounted to a robot arm, and the pulse dampener member is mounted to a base of the robot.

REFERENCES:
patent: 3961599 (1976-06-01), Jones, Jr.
patent: 4043683 (1977-08-01), Costa et al.
patent: 4508051 (1985-04-01), Bast
patent: 4564410 (1986-01-01), Clitheros et al.
patent: 4635827 (1987-01-01), Roedig
patent: 4800837 (1989-01-01), Ferragni
patent: 4857367 (1989-08-01), Thorn et al.

Affiliated with

Also associated with

Rating

Method of removing pulses and metering flow in an adhesive dispe 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 of removing pulses and metering flow in an adhesive dispe, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Method of removing pulses and metering flow in an adhesive dispe will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-920602