Coating method and apparatus

Details Coating method and apparatus Coating method and apparatus

2006-09-26

2006-09-26

Bareford, Katherine (Department: 1762)

Coating processes

Magnetic base or coating

Magnetic coating

C427S128000, C427S294000, C427S345000, C427S350000, C427S356000, C427S358000, C118S602000, C118S050000, C118S123000, C118S126000, C118S410000

Reexamination Certificate

active

07112348

ABSTRACT:
The coating apparatus and method enable the coating liquid having been scraped-off to be reused without doing any one of the fluid adjusting treatment and the filtering treatment, while maintaining the features of the scraping-off type of extrusion coater, which is suitable for obtaining a uniform and extremely thin coating film. The coating head is provided with two slits: a coating slit and a recovering slit, and the excessive coating liquid having been discharged through the coating slit and applied to the web is scraped-off and recovered through the recovering slit.

REFERENCES:
patent: 4102299 (1978-07-01), Wallsten
patent: 4521459 (1985-06-01), Takeda
patent: 4537801 (1985-08-01), Takeda
patent: 5108795 (1992-04-01), Shibata et al.
patent: 6024797 (2000-02-01), Li et al.
patent: 6231671 (2001-05-01), Ciliske et al.
patent: 6759091 (2004-07-01), Mandai et al.
patent: 58-109162 (1983-06-01), None
patent: 7-287843 (1995-10-01), None

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