Extrusion coating apparatus

Details Extrusion coating apparatus Extrusion coating apparatus

1997-07-28

1999-11-30

Lamb, Brenda A.

Coating apparatus

Immersion or work-confined pool type

Work-confined pool

118419, B05C 302

Patent

active

059935537

ABSTRACT:
An extrusion coating apparatus including a body having a liquid dispensing passage for dispensing a coating liquid on a surface of a sheet, the liquid dispensing passage being connected to a manifold formed inside the body, and a hollow core which is disposed in the manifold at a predetermined distance apart from the manifold and includes in the longitudinal direction thereof, a slit through which the coating liquid supplied into the hollow core is uniformly extruded. The apparatus dispenses a coating liquid at a constant pressure to the surface of the sheet through the hollow core, the manifold, and the liquid dispensing passage so that a coating layer having a uniform thickness in the longitudinal and transverse directions thereof is formed on the surface of the sheet. The apparatus can adjust the thickness of the coating layer, and can be easily handled.

REFERENCES:
patent: 3217358 (1965-11-01), Kihara
patent: 3479989 (1969-11-01), Hunter et al.

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