Filler gun suitable for cavity injection
Patent 4411389 Issued on October 25, 1983. Estimated Expiration Date: 
November 27, 2001. Estimated Expiration Date is calculated based on simple USPTO term provisions. It does not account for terminal disclaimers, term adjustments, failure to pay maintenance fees, or other factors which might affect the term of a patent.
November 27, 2001. Estimated Expiration Date is calculated based on simple USPTO term provisions. It does not account for terminal disclaimers, term adjustments, failure to pay maintenance fees, or other factors which might affect the term of a patent.Patent References 2503743 2671692 3795348 3799438 InventorAssigneeApplicationNo. 06/325181 filed on 11/27/1981US Classes:239/427.5, At least three diverse fluids222/145.1, With common discharge239/428, Combining of three or more separate streams239/430, Three or more inlets to one stream from other239/600, Assembly or disassembly feature406/153Suction induced by pressure streamExaminersPrimary: Rolla, Joseph J.Assistant: Kridler, Patricia Attorney, Agent or FirmInternational ClassesB05B 7/14 (20060101)B28C 5/02 (20060101) B28C 5/00 (20060101) E04F 21/02 (20060101) E04F 21/12 (20060101) Foreign Application Priority Data1980-12-02 GBAbstractThe invention provides a filler gun suitable for injecting a mixture of particulate solid and liquid binder into a cavity, for example the wall cavity of a building, which comprises a hollow body having an outlet at one end, a binder inlet for liquid binder at the other end, and a side inlet for granular or particulate solid, which side inlet is directed towards the outlet at an angle of less than 90° with respect to the direction of flow of liquid binder from the binder inlet to the outlet in operation of the gun, wherein an outlet sleeve is releasably located in the body between the side inlet and the one end and an inlet sleeve is releasably located in the body between the side inlet and the other end, the inlet sleeve having an axial bore and a side passage opening into the bore which passage is adapted for the reception of a liquid binder supply line, and the body is slotted to enable withdrawal of the inlet sleeve therefrom without prior detachment of the supply line. | |
