Patent ID: 8021037

Claim:
A device for dispensing curable material comprising: a chamber housing defining a chamber operable for holding curable material; a rod with a plunger configured to engage the curable material within the chamber to dispense the curable material from the chamber when the plunger is advanced within the chamber; and a cartridge connected to the chamber housing, the cartridge defining a bore for receiving the rod, wherein the cartridge is subject to opposing axial forces by the chamber housing and the rod and elastically deforms in the axial direction when curable material is dispensed; wherein the rod comprises a non-threaded section disposed lengthwise between a first threaded section and a second threaded section, and wherein the threaded rod sections are configured to engage a threaded portion of the cartridge; and wherein the chamber comprises a mixing portion, a purging portion, and a delivery portion that correspond, respectively, with the first threaded section, the non-threaded section, and the second threaded section of the rod.