(57) A machine for printing containers comprises a printing unit (8) suitable for interacting
with containers (7, 7a) to be printed, said containers (7, 7a) being grasped by respective
support means (32, 36); the printing unit (8) comprises a printing roller (16) externally
provided with cavities suitable for containing fluid printing means to be transferred
by contact to regions of external surface of said containers (7, 7a). A method for printing containers comprises arranging containers (7, 7a) to be printed
on support means (32, 36), bringing the external surface of said containers in contact
with printing means (8) for printing said external surface, said containers (7, 7a)
are brought in contact with said printing means by advancing said containers (7, 7a)
along a pre-established path.
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