Title: Method for manufacturing an ink-containable stamp

Abstract: A method for manufacturing an ink-containable stamp used for a printer of a computer or the like is disclosed, wherein a number of printing types and a drum or plate are moulded from a mixture comprising synthetic resin consisting of polyvinyl acetate resin and polyolefin resin, fillers, stabilizers, plasticizers and pigments, irradiated with gamma-rays, immersed in an enzymatic solution and then in an acid solution. The type and drum or plate are then assembled to form a printing element.

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Inventors: Tanaka, Tomoji

Application Number: 470494
Filing Date: 1974-05-16
Publication_date: 1976-01-13
Assignee:
Primary Class(es): 156/245 101/382.1, 101/383, 101/401.1, 101/401.2, 101/401.3, 156/272.2, 156/273.3, 156/293, 264/49, 264/250
Other Classes:
US Patent Ref:

3002858	Oct, 1961	Newman et al.	156/242.
3141407	Jul, 1964	Leeds	101/401.
3260779	Jul, 1966	Tarbox	101/401.
3387074	Jun, 1968	Hill	156/245.

Other Refs:
Primary Examiner: Weston, Caleb
Assistant Examiner:
Attorney: Jones, Tullar & Cooper