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Application filed by Clare Patents LtdfiledCriticalClare Patents Ltd
Priority to IES930738priorityCriticalpatent/IES930738A2/en
Publication of IES60156B2publicationCriticalpatent/IES60156B2/en
Publication of IES930738A2publicationCriticalpatent/IES930738A2/en
An apparatus (10) for chemically watermarking paper which comprises a nip roller 11; a first coater roller 12; a second coater roller 12; an impression cylinder roller 15; and a die cylinder roller 18 in the form of a rotary shell. The impression cylinder roller 15 acts as an impression cylinder roller for the watermarking apparatus and a printing means so that paper, preferably in discrete, may first be printed and then watermarked or vice versa in an essentially single step operation.