Button cell construction with internally compressed gasket
An electrochemical cell having anode, cathode and electrolyte components is described comprising: an open top container having a peripheral top, an inner upstanding peripheral wall surface, and an outer upstanding peripheral wall surface; a resilient peripheral gasket over the peripheral top with an inner depending peripheral skirt in engagement with the inner wall portion, an upper body in engagement with the peripheral top, and an outer depending peripheral skirt; an inner compressor element within the container and having an outer compressor wall in radially outwardly compressive relationship with the gasket inner skirt to press it against the container inner peripheral wall surface; and an outer cover over the top of the container and in compressive relationship with the gasket upper body against the container peripheral top, and in radially inwardly compressive relationship with the gasket outer skirt against the container outer wall surface.
- Assignee:
- Eveready Battery Co., St. Louis, MO
- Patent Number(s):
- US 4725515
- OSTI ID:
- 5120566
- Resource Relation:
- Patent File Date: Filed date 7 May 1987
- Country of Publication:
- United States
- Language:
- English
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