Dispensing – With cutter and/or punch – To form dispensing opening in container
Patent
1992-05-19
1993-09-07
Huson, Gregory L.
Dispensing
With cutter and/or punch
To form dispensing opening in container
222137, 222390, B67D 500
Patent
active
052420825
ABSTRACT:
A double-barreled gun adapted to inject a two component epoxy into a hole to anchor a hardware element therein. The base resin and hardener components of the epoxy are stored in separate foil packs received in parallel barrels of the gun. The gun includes a removable mixing manifold having a pair of end caps which fit into the leading ends of the barrels and are joined to a manifold pipe to whose outlet is attachable a mixing nozzle. Mounted within the rear of each cap across a port therein is a cutting element. Slidable in each barrel behind the pack is a piston whose rod extends from the trailing end of the barrel. An operating mechanism effects concurrent advance of the pistons to an extent limited by a retractable stop member. In an injection mode of gun operation, the advancing pistons force the front ends of the packs against the cutting elements to slit open the packs, the advancing pistons then acting to extrude the components from the packs into the manifold from which the components pass into the mixing nozzle from which the epoxy is discharged. In this mode, the stop member limits advance of the pistons to a stop point short of the cutting elements, at which point the packs are in a crushed state. In an ejection mode, the manifold is removed and the stop member is retracted to permit the pistons to advance beyond the stop point and thereby eject the crushed packs from the barrels.
REFERENCES:
patent: 1965271 (1934-07-01), Wharton
patent: 3077078 (1963-02-01), Hamilton
patent: 4067479 (1978-01-01), Moline
patent: 4136801 (1979-01-01), Pavenick
patent: 5104005 (1992-04-01), Schneider, Jr. et al.
Ebert Michael
Huson Gregory L.
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