Patent ID: 8172109

Claim:
A dispensing apparatus for use with a dispensing gun, comprising: a cartridge configured to receive a component to be dispensed and to dispense the component under pressure applied by a dispensing gun; a nozzle or adaptor unit securely attached to the cartridge, wherein the nozzle or adaptor unit includes a substantially annular portion adapted to fit snugly around a first end of the cartridge, and wherein the substantially annular portion acts as a seal against any leakage of the component from the cartridge; a substantially rigid casing configured to insertably receive the cartridge, wherein the substantially rigid casing includes a receiving member at a first end of the substantially rigid casing, and wherein the nozzle or adaptor unit at least partially extends from the first end of the substantially rigid casing; and a restraining clip configured to engage both at least a portion of the nozzle or adaptor unit at least partially extending from the first end of the substantially rigid casing and the receiving member of the substantially rigid casing to assist in maintaining attachment of the nozzle or adaptor unit to the cartridge as the component is dispensed.