The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Jun. 30, 1992
Filed:
Jun. 04, 1991
Randall S Worwag, Arvada, CO (US);
Edward C Miller, Broomfield, CO (US);
Ball Corporation, Muncie, IN (US);
Abstract
Domer apparatus includes a housing having a cavity therein; an inner die being disposed in the cavity and being disposed around a longitudinal ram axis; an outer die being disposed in the cavity, being disposed around the longitudinal ram axis, and being disposed circumferentially around the inner die; second, third, and fourth springs being disposed in the cavity radially outward from the longitudinal ram axis, being circumferentially spaced-apart, and operatively engaging the inner die; and an air spring being disposed outwardly of the housing distal from the outer die, and providing a resilient force to the outer die along a plurality of paths that include a plurality of push rods, that are disposed radially outward of the longitudinal ram axis, and that extend longitudinally past the second, third, and fourth springs.