Method and apparatus for printing the interior of hollow article

Details Method and apparatus for printing the interior of hollow article Method and apparatus for printing the interior of hollow article

1985-04-29

1987-05-26

Crowder, Clifford D.

Printing

Special article machines

101426, 101379, 118254, 156423, 427230, B41F 1700, B41F 1720

Patent

active

046675949

ABSTRACT:
A method and apparatus for applying a printed image to an interior surface of a hollow article is disclosed. The method involves using a mandrel with an expansible block having an outer surface for transferring an image, and means for exerting a force on the block to cause the block to expand in the cavity of the hollow article to effect image transfer. Use of mechanical compression and fluid pressure as alternatives for expanding the block are disclosed.

REFERENCES:
patent: 2071336 (1937-02-01), Glenn et al.
patent: 2201302 (1940-05-01), Rowe
patent: 2578329 (1951-12-01), Von Hote
patent: 2879740 (1959-03-01), Mahon et al.
patent: 3404623 (1968-10-01), Watkin
patent: 3748049 (1973-07-01), Knupfer et al.
patent: 3871293 (1975-03-01), Valiela

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