Coating apparatus – With vacuum or fluid pressure chamber
Patent
1981-03-04
1983-04-26
Smith, John D.
Coating apparatus
With vacuum or fluid pressure chamber
118500, 101 38R, 279 3, B05C 1300
Patent
active
043809642
ABSTRACT:
A holding spindle mountable on a spindle shaft and utilized for printing and coating cylindrical containers includes an outer sleeve for receiving a cylindrical container, the outer sleeve having an inner diameter less than the diameter of the cylindrical container to thereby provide a clearance between the outer sleeve and the cylindrical container disposed thereon. Bearings rotatably mount the outer sleeve on the spindle shaft. A bottom receiving pad on the outer sleeve has a seating surface having a curvature corresponding to the curvature of the bottom surface of the cylindrical container. An aspirating device applying a vacuum to the seating surface has an opening in the seating surface leading to a source of vacuum and providing a vacuum to effect seating and mating of the common curvature of the seating surface and the inside bottom surface of the cylindrical container to thereby enhance the stability of the cylindrical container on the holding spindle. A mounting device detachably mounts the bottom receiving pad on the outer sleeve to provide for readily replacing and changing the bottom receiving pad to accommodate cylindrical containers having bottom surfaces of differing curvature.
REFERENCES:
patent: 3682296 (1972-08-01), Buhayor et al.
patent: 4092949 (1978-06-01), Balordi
Abe Katsuo
Matsubara Akira
Nishio Masahiro
Plantz Bernard F.
Smith John D.
Toyo Seikan Kaisha Ltd.
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