Patent ID: 7090491

Claim:
A dispenser for supplying a single dose of a multi-component dental adhesive, the dispenser comprising: a dispenser body having formed therein first and second reservoirs sized to contain first and second components of the single dose of dental adhesive, respectively, each of said reservoirs defined by at least one sidewall, a bottom wall adjacent said sidewall, and an opening opposite said bottom wall; first and second seals associated with said first and second reservoirs, respectively, and disposed on interior portions of said sidewalls intermediate said openings and said bottom walls; and first and second closures slidably received within said first and second reservoirs, respectively, each closure having a first end facing said bottom wall of said reservoir, a second end opposite said first end, a sealing portion proximate said first end, and a passage extending along said closure intermediate said sealing portion and said second end; said first and second closures movable within said respective first and second reservoirs between first positions wherein their respective sealing portions are spaced from their respectively associated reservoir bottom walls and engage their respectively associated seals to define first and second sealed volumes within said first and second reservoirs, first and second components of the single dose of dental adhesive located within said first and second sealed volumes, respectively, and second positions wherein their respective sealing portions are moved out of engagement with their respectively associated seals toward their respectively associated reservoir bottom walls such that their respectively associated passages are placed in fluid communication with said respective first and second components of the dental adhesive to permit access to said first and second components via said passages in said first and second closures, respectively, from a location exterior of said openings of said first and second reservoir; wherein said first and second closures are independently movable within said respective reservoirs.