Coating apparatus for thin plastics webs

Details Coating apparatus for thin plastics webs Coating apparatus for thin plastics webs

1990-12-13

1991-12-31

Beck, Shrive

Coating apparatus

Gas or vapor deposition

Running length work

118724, 118726, 118730, 118732, 165 90, 427251, 4272555, C23C 1600

Patent

active

050762036

ABSTRACT:
Coating apparatus for a thin plastics web comprises a coating deposition station for applying a coating to the web by vapor deposition and a support for supporting the web at the coating deposition station. The apparatus includes a device for urging gas into the region where the thin plastics web converges with the support to improve the thermal coupling between the web and the support and also to reduce the coefficient of friction between the web and support. The gas enables the coating to be applied by vapor deposition at coating speeds of up to 90 meters per minute without deformation of the thin plastics web.

REFERENCES:
patent: 3245334 (1966-04-01), Long
patent: 3414048 (1968-12-01), Rall
patent: 4451501 (1984-05-01), Nagao et al.
patent: 4655167 (1987-04-01), Nakamura et al.
"Metal Thin Film Video Tape by Vacuum Deposition," by Maezawa et al., The 4th International Conference on Video and Data Recording, The Univ. of Southampton, Hampshire, England, Apr. 20-23 1982, IEEE Conference Proceedings No. 54, pp. 1-9.

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