Device for treating a web

Details Device for treating a web Device for treating a web

1975-09-12

1977-03-29

Kaplan, Morris

Coating apparatus

Solid applicator contacting work

With work-handling or work-supporting

101119, 335285, 335295, B05C 1704

Patent

active

040142892

ABSTRACT:
A web treatment element in the form of a roller is attracted to one side of a web by magnetic attraction from a magnetic element positioned on the opposite side of the web. The magnetic element includes a plurality of electromagnets and a switch connected thereto to reverse the polarity of at least a portion of the electromagnets to selectively alter the polarity alignment of the electromagnets.

REFERENCES:
patent: 2209558 (1940-07-01), Bing et al.
patent: 2376150 (1945-05-01), Karasick
patent: 3196784 (1965-07-01), Kraft
patent: 3216349 (1965-11-01), Kraft
patent: 3428867 (1969-02-01), Becker
patent: 3592132 (1971-07-01), Weber
patent: 3613635 (1971-10-01), Brehm
patent: 3783344 (1974-01-01), Ono et al.
patent: 3919973 (1975-11-01), Zimmer

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