Method for applying viscous fluid to stock and rotary valve for

Details Method for applying viscous fluid to stock and rotary valve for Method for applying viscous fluid to stock and rotary valve for

1980-03-10

1981-08-04

Beck, Shrive P.

Coating apparatus

Projection or spray type

Flexible web or strand work

118410, 427284, 427285, 427286, 13762547, B05C 104, B05B 116

Patent

active

042816190

ABSTRACT:
A method for applying measured amounts of viscous material in a predetermined pattern in registry to a continuously moving sheet is provided which includes the steps of introducing the viscous material into a rotary valve having a bore in the valve rotor operatively communicative with the fluid inlet, and a passage radially communicating between the axial bore and an opening in the valve seat through which the material is dispensed onto the sheet stock. The length of the material dispensed to the sheet stock is determined by a slot formed on the surface of the valve rotor which surrounds the opening for the radial passage. Registry of the pattern is accomplished by correlation of the rotation of the valve with the rate by which the sheet material passes underneath the valve orifice. The valve containing the slot and related apparatus is also part of the invention.

REFERENCES:
patent: 961621 (1910-06-01), Leuckert
patent: 1291566 (1919-01-01), Lewis
patent: 1499149 (1924-06-01), Buhse et al.
patent: 2621886 (1952-12-01), Mueller
patent: 2854027 (1958-09-01), Kaiser et al.
patent: 3052565 (1962-09-01), Chinn et al.
patent: 3165122 (1965-01-01), Sachnik
patent: 3233865 (1966-02-01), Panzica et al.
patent: 3277868 (1966-10-01), Lockwood et al.
patent: 3476631 (1969-11-01), Hoffman
patent: 3542072 (1970-11-01), Harris et al.

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