Coating processes – With post-treatment of coating or coating material – Solid treating member or material contacts coating
Patent
1985-03-20
1986-11-11
Lusignan, Michael R.
Coating processes
With post-treatment of coating or coating material
Solid treating member or material contacts coating
118106, 118123, 118413, 427358, B05D 312, B05C 1102, B05C 302
Patent
active
046222472
ABSTRACT:
A method and apparatus is disclosed for facilitating passage of a seam (S) on a web (W) traveling underneath the edge of a knife blade (34) on a coating machine (A). The apparatus includes a machine frame (10) and a support surface (32) carried by the frame over which the web (W) travels. The vertical knife blade (34) is carried in a superimposed position adjacently above the support surface for contacting the web traveling between the knife blade and support surface to apply a coating material to the web. A movable blade assembly unit (B) is provided for carrying the knife blade (34) in the vertical disposition and for movement relative to the frame. A blade motion guide mechamism (C, 76, 78, 80, 82 D) is provided for positively guiding the movement of the blade assembly unit (B, 38, 40, 42, 44) on the frame when the blade is moved by the seam (S) in a backward arcuate lifting motion from a blade-down position to a blade-up position facilitating seam passage. A blade motion retarding mechanism (E, 92, 100, 106) is carried by the frame for gradually applying an increasing pressure on the knife blade against the seam during the backwards arcuate motion of the blade.
REFERENCES:
patent: 4109034 (1978-08-01), Welch
patent: 4357373 (1982-11-01), Cooper
Flint Cort
Lusignan Michael R.
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