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US 4,864,799 AGranted
Air operated plastic pail capper
OwnerRalph D. Colaciccoinventor
Life of this patent
Estimating the term…
Abstract
This air operated plastic pail capper machine is designed to quickly and effectively push a cover onto a pail, while also pushing out any air that may be above the contents of the pail. Primarily, it consists of a base with rollers on top for easy alignment of a pail with a plate attached to a piston rod of an air cylinder, and the air cylinder is mounted to a sleeve attached to a post secured to the base of the machine. Palm operated valves are also employed to operate the machine.
Claims4
An air operated plastic pail capper machine comprising:
- a base;
- mounting means on said base securing rollers for engagement with a bottom of said pail;
- an upstanding post secured to said base including an air cylinder support means;
- an air cylinder secured to said support means, said air cylinder including a depending piston rod;
- a plate attached to said piston rod, said plate adapted to push a cover down upon said pail;
- and a pair of spring-loaded bolts dependingly secured to a bottom of said plate, said bolts being arranged to push a center of said cover to remove air trapped in said pail.
3 more elements
Dependencies are inferred from the claim text.