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US 5,311,989 AGranted
Common blister battery package and display
AssigneeRayovac Corporation
InventorsThomas F. Ward, Joseph R. Kuehn, Stephen B. Studee
Life of this patent
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AssigneeRayovac Corporation
InventorsThomas F. Ward, Joseph R. Kuehn, Stephen B. Studee
Estimating the term…
The plastic blister of the package has a lip which is bonded to a stiff backing card to define a space for retaining one or more batteries. Portions of the blister overlie the positive and negative terminals of the batteries to prevent the rotation of the battery within the package. The portions overlying the negative terminal have protrusions which extend inward toward the negative terminal battery. The protrusions are formed so as to engage more tightly battery features of larger size, or to come into greater contact with certain batteries. These "progressive retention" features ensure rotation-preventive engagement with the positive contact nubbins. Thus, batteries of slightly differing size or end configuration will be retained by one or more retention features, as the size and configuration of the battery packaged within the blister is varied. Similarly, the portions of the blister engaging the positive end resiliently engage the negative terminal of the battery. Additionally, one other retention feature is formed as a portion of the blister which protrudes inwardly to grip a feature of the positive terminal. A common blister may thus be employed with batteries of the same standard output yet with dimensions which vary within the allowable standard.
A package for batteries comprising:
A package for batteries comprising:
A thermoformed plastic blister adapted for packaging at least one battery, the blister comprising:
Dependencies are inferred from the claim text.