Patent ID: 6899028

Claim:
A stencil printing apparatus comprising a printing drum, a container that contains a stencil printing ink, said container comprising a cylindrical main body having an end wall at an end thereof; an outlet projecting from an outer surface of said end wall for allowing the stencil ink to be supplied; and a protecting member which is disposed on and projects directly from the outer surface of said end wall to surround said outlet and define a groove portion between said outlet and said protecting member for connection with a conduit, wherein said protecting member is a continuous or discontinuous annular projection and is longer than said outlet, and an ink pump which has a conduit coupled to the groove portion defined between said outlet and said protecting member, and wherein said conduit is (a) coupled to the groove portion by engaging an inner circumferential surface of the protecting member with an outer circumferential surface of the conduit, or (b) coupled to the groove portion by engaging an inner circumferential surface of the protecting member with an outer circumferential surface of the conduit, and by engaging an outer circumferential surface of the outlet with an inner circumferential surface of the conduit.