Coating processes – Centrifugal force utilized
Patent
1991-08-12
1992-12-08
Beck, Shrive
Coating processes
Centrifugal force utilized
427346, 427425, 118 56, B05D 102
Patent
active
051696835
ABSTRACT:
The coating method contains a spraying step in which a paint is sprayed at least on a coating substrate extending in an upward and downward direction to a film thickness thicker than causing sags of the sprayed paint. The coating substrate on which the paint is sprayed is rotated about the horizontal axis while the sprayed paint is dried until it does not sag any more. The coating apparatus includes a carriage conveying the coating substrate arranged to run along the conveying direction, and the carriage is provided with a supporting base for supporting the coating substrate rotatively about the horizontal axis. One embodiment for rotating the substrate supported by the supporting base is a spring that is disposed on the carriage to rotate the substrate by means of a restoring force produced by the spring. On the passage for conveying the carriage is disposed a force storing mechanism for storing the restoring force in the spring that released the restoring force. Another embodiment therefor is a combination of a chain disposed along the conveying passage for the carriage with a sprocket disposed on the carriage. The sprocket is engageable with the chain and operatively coupled to the coating substrate. By disposing the chain in a fixed manner, on the one hand, the substrate is caused to rotate as the carriage is being conveyed. By dividing the chain, on the other, the substrate is caused to rotate while the conveyance of the carriage is suspended.
REFERENCES:
patent: 1948091 (1934-02-01), Alvey et al.
patent: 2598163 (1952-05-01), Halls
patent: 2658008 (1953-11-01), Williams
patent: 4092953 (1978-06-01), Waugh
patent: 4874639 (1989-10-01), Matsui
48-67332 (Japan)-translation pp. 1-8 and 2 pp. of figures.
Aono Toshiaki
Matsui Masataka
Nakahama Tadamitsu
Tanimoto Yoshio
Yamane Takakazu
Bareford Katherine A.
Beck Shrive
Mazda Motor Corporation
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