Method for applying continuous longitudinal bands of liquid coat

Details Method for applying continuous longitudinal bands of liquid coat Method for applying continuous longitudinal bands of liquid coat

1975-01-22

1977-05-24

Smith, Ronald H.

Coating processes

Nonuniform coating

Striping

427210, 427434A, 118221, 118225, 118411, 118412, B05D 500, B05D 118

Patent

active

040256715

ABSTRACT:
Method for coating a continuous moving strip of material with a liquid coating material such as a plastic or polymer material is disclosed and in which the moving strip to be coated is directed in contacting engagement with a curved peripheral surface on a fixed coating head disposed transverse to the direction of strip travel, with the coating material being supplied through a central passage in the coating head and outletting through a radial passage formed in one or more lands in the coating head, which lands are girded on opposite sides by grooves. The coating head is fixed such that the outlets in the lands desirably are located adjacent the point of last contact of the moving strip with the coating head so that a meniscus of material is established at said location and is in contact with both the land surface and strip to permit pickup of the coating material by the strip.

REFERENCES:
patent: 558542 (1896-04-01), Wheeler
patent: 1454363 (1923-05-01), Winchenbaugh et al.
patent: 3278960 (1966-10-01), Nardone
patent: 3393661 (1968-07-01), Sharp
patent: 3413143 (1968-11-01), Cameron et al.
patent: 3421926 (1969-01-01), Davies et al.
patent: 3422796 (1969-01-01), Baber
patent: 3496012 (1970-02-01), Biorseth
patent: 3556832 (1971-01-01), Park

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