Coating processes – Spraying – Moving the base
Patent
1982-04-23
1984-02-14
Beck, Shrive P.
Coating processes
Spraying
Moving the base
427 9, 118324, 118679, 118674, 118683, B05D 102, B05B 1200
Patent
active
044316909
ABSTRACT:
A controller for uniformly dispensing fluid onto a substrate in response to movement between the dispensing unit and the substrate has a sensor which senses the rate of relative movement and supplies a signal reflective of the movement to an operation device which in turn generates and supplies a control signal to a regulator. The regulator is positioned in the fluid dispensing system and regulates the flow rate of the fluid to the dispensing unit so that the substrate receives a substantially uniform fluid coating per unit length. The operation device receives the signal from the sensing means and computes the rate of relative movement. The rate of relative movement is then compared to a preselected flow rate signal; and a signal is generated and supplied to the regulator reflective of the comparison between the computed rate of movement and the preselected flow rate signal, so that the flow rate of the fluid varies substantially proportionally to the rate of relative movement between the dispensing unit and the substrate so that the amount of dispensed fluid per unit length of substrate is substantially constant.
REFERENCES:
patent: 3175247 (1965-03-01), Morrison et al.
patent: 3452710 (1969-07-01), Hentschel
patent: 3874327 (1975-04-01), Furman
patent: 3931787 (1976-01-01), Kuttner et al.
patent: 4032670 (1977-06-01), Warning et al.
Drawing No. 1020012.
Rotolec 1010--Brochure.
Vorhaltrechner Lead-Controller 1020--Brochure.
The Nordson C.5 Digital Interval Controller--Brochure.
Bruening Ralph G.
Matt Timothy S.
Beck Shrive P.
Belsheim Stephen T.
Donohue, Jr. John P.
Gill Michael L.
Nordson Corporation
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