Nozzle

Details Nozzle Nozzle

2003-09-26

2009-10-27

Tadesse, Yewebdar T (Department: 1792)

Coating apparatus

Projection or spray type

Flexible web or strand work

C118S300000, C118S313000, C118S315000, C239S544000, C239S601000

Reexamination Certificate

active

07608149

ABSTRACT:
A nozzle (1) for use in coating a web-like material by means of high-pressure spraying techniques is manufactured by forming a piece having a tapered duct ending in a closed tip, with a transverse V-shaped groove (3) subsequently machined in the tip. The angle of the V-shaped groove (3) is in the range from 25 to 50°, such as 35 to 45°.

REFERENCES:
patent: 3843055 (1974-10-01), Nord et al.
patent: 4282533 (1981-08-01), Brooks et al.
patent: 5942045 (1999-08-01), Raghavan et al.
patent: 6063449 (2000-05-01), Koskinen et al.
patent: 6063450 (2000-05-01), Bernert et al.
patent: 3339222 (1985-05-01), None
patent: WO 00/18514 (2000-04-01), None
patent: WO 03/060233 (2003-07-01), None
patent: WO 2004/028901 (2004-04-01), None
International Search Report issued in PCT/FI2003/000702.

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