Patent ID: 7922040
Filing Date: 2011-04-12
Classification: B05C,B08B

Abstract:
1. A device for clearing a caulk dispensing tube comprising a caulk dispenser including a chamber containing fluid caulk, the chamber haying an exit port and a dispensing tube connected to the exit port and a dispensing tube connected to the exit port, the dispensing tube haying a distal aperture for dispensing fluid caulk, the dispensing tube haying a diminishing diameter from the exist port to the dispensing aperture, a bit member having first and second ends, the first end of the bit member having a pointed tip, the second end of the bit member having a shank for engaging a tool for rotating the bit member, a threaded portion between the first and second ends of the bit member, the threaded portion having a helical thread structure with a cupped orientation toward the second end of the bit member, a thread cleaning device including a body having a receiving side, an exit side, and a hole dimensioned to receive the bit member, the hole having internal threads corresponding to the thread structure on the threaded portion of the bit member, an enlarged shield portion on the exit side of the body for blocking caulk as the bit member is removed from the thread cleaning device, wherein the first end of the bit member is inserted in the dispensing tube, the pointed tip being directed away from the dispensing aperture, and the cupped orientation of the thread structure being directed toward the dispensing aperture.