US 11,766,692 B2
Device for applying a viscous material to workpieces
Thomas Hausner, Bretten (DE); David Jaeger, Bruchsal (DE); and Gerrit Enderle, Knittlingen (DE)
Assigned to Atlas Copco IAS GmbH, Bretten (DE)
Appl. No. 16/966,774
Filed by Atlas Copco IAS GmbH, Bretten (DE)
PCT Filed Jan. 8, 2019, PCT No. PCT/EP2019/050287
§ 371(c)(1), (2) Date Jul. 31, 2020,
PCT Pub. No. WO2019/166139, PCT Pub. Date Sep. 6, 2019.
Claims priority of application No. 10 2018 104 835.1 (DE), filed on Mar. 2, 2018.
Prior Publication US 2021/0039130 A1, Feb. 11, 2021
Int. Cl. B05C 5/02 (2006.01); B05C 11/10 (2006.01); H05K 13/04 (2006.01)
CPC B05C 5/0225 (2013.01) [B05C 11/1034 (2013.01); B05C 11/1028 (2013.01); H05K 13/0469 (2013.01)] 13 Claims
OG exemplary drawing
 
1. A device for application of a viscous material to workpieces, having a housing (12), having an application channel (14) that runs in the housing (12) all the way to an exit opening (16), and having a needle valve (18) for releasing and closing the application channel (14) at a valve seat (24), wherein an actuation element (28) is mounted in the housing (12) so as to rotate about an axis of rotation (30), wherein the axis of rotation (30) extends parallel to a longitudinal direction (20), in which the valve needle (22) of the needle valve (18) can be displaced with reference to the housing (12), wherein the actuation element (28) has a guide groove (34) in its radial mantle surface (32), which groove runs all the way around and is curved in the axial direction (20) and is closed in itself, into which groove at least one pin (36) that extends in the radial direction engages, and wherein the valve needle (22) is connected with the actuation element (28) or with the at least one pin (36) in such a manner that a rotation of the actuation element (28) about the axis of rotation (30) brings about a displacement of the valve needle (22) with reference to the housing (12), in the longitudinal direction (20).