Dispensing – With discharge assistant – With container handle or handgrip
Patent
1978-06-01
1980-05-06
Knowles, Allen N.
Dispensing
With discharge assistant
With container handle or handgrip
222389, B67D 542
Patent
active
042013186
ABSTRACT:
A packing injector gun for injecting packing under high pressure through a nozzle to pipe flanges and the like. The injector gun has high pressure barrel equipped with a piston to expel packing under high pressure through the nozzle to packing flanges. On the opposite side of the piston a high pressure reservoir communicates with a hand operated hydraulic pump connected to the exterior of the barrel. The hydraulic pump is adapted to force hydraulic fluid at extremely high pressure to the high pressure reservoir gun to operate the piston. The piston shaft to which the piston is connected has a portion extending outside the gun and has a handle for manual operation. A further U-shaped handle is connected to the middle of the barrel and extends over hydraulic pump for carrying by the operator and protection of the hydraulic pump. In a modification the piston is designed to be double acting by a control valve in the hydraulic pump and the packing gun can be loaded with packing at both ends for operation through nozzles at opposite ends of the gun. This modification enables the gun to be loaded with packing compound to obviate shortages and running out of packing in the field.
REFERENCES:
patent: 1609015 (1926-11-01), Engbrecht
patent: 1648896 (1927-11-01), Gresser
patent: 1868701 (1932-07-01), Goerland
patent: 2312544 (1943-03-01), Gould
patent: 2563636 (1951-08-01), Ballard
patent: 3248023 (1966-04-01), Dinenthal et al.
patent: 3254806 (1966-06-01), Madsen
Knowles Allen N.
Robbins Glenn K.
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