Patent ID: 7169134

Claim:
A valve syringe comprising: a barrel configured for containing a fluid material, the barrel including an inlet end and an outlet end, the outlet end including a sidewall with at least one barrel opening formed in the sidewall through which the fluid material can pass; at least one tab member integrally attached to the barrel, extending from the outlet end of the barrel, and spaced-apart from the sidewall so as to provide a space between the sidewall and the tab member; a plunger configured for pushing the fluid material contained in the barrel toward the outlet end of the barrel; an applicator valve disposed at the outlet end of the barrel and configured to rotate between an open position and a closed position, including: an internal contact surface configured to engage the outlet end of the barrel in a manner so as to prevent the fluid material from exiting through the at least one barrel opening when the applicator valve is in the closed position, and at least one relief slot formed in the internal contact surface and configured to allow the fluid material to pass through the barrel opening and into the at least one relief slot when the applicator valve is in the open position; and at least one ridge member integrally attached to the applicator valve and extending from the applicator valve on a side opposite the internal contact surface that engages the at least one tab member in order to retain the applicator valve at the outlet end of the barrel, wherein the at least one tab member is configured to slidably engage the at least one ridge member during rotation of the applicator valve between the open and closed position.