Device for the contact-free application of a strip of liquid to

Details Device for the contact-free application of a strip of liquid to Device for the contact-free application of a strip of liquid to

1992-06-08

1994-05-03

Jones, W. Gary

Coating apparatus

Control means responsive to a randomly occurring sensed...

Responsive to attribute, absence or presence of work

118682, 118684, 118697, 118698, 118703, 118712, 118325, 364469, B05B 1202, B05B 1210

Patent

active

053083989

ABSTRACT:
In the case of an apparatus for the contact-free application of a liquid strip, more particularly a strip of glue, on a moving web of material, comprising at least one application head, which is provided with at least one nozzle arranged at a distance from the web of material and a valve adapted to put the nozzle into and out of operation and adapted to be operated in accordance with the desired pattern of application, the aim of the invention is to provide such an improvement using simple and low-price means that despite the contact-free application of liquid high accuracy becomes possible. This accomplished by a modification such that the timing of the valve is modified to depart from the basic values, which are dependent on the application pattern, in accordance with a correction value which is a function of the speed of the web of material and at least the distance of the web from the nozzle.

REFERENCES:
patent: 3532907 (1970-10-01), Kasper
patent: 3969779 (1976-07-01), Stewart, Jr.
patent: 4164001 (1979-08-01), Patnaude
patent: 4380967 (1983-04-01), Matt
patent: 4389971 (1983-06-01), Schmidt
patent: 4421800 (1983-12-01), Schoenberg et al.
patent: 4527510 (1985-07-01), Arndt
patent: 4530862 (1985-07-01), Kerzel
patent: 4578965 (1986-04-01), Brossman
patent: 4979380 (1990-12-01), Robbins et al.
patent: 4984169 (1991-01-01), Johnson, Jr.

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