Filling system for hermetically sealed batteries
This patent describes a method of introducing a fluid component into a cell container, which consists of: providing a filler opening having a polymeric body positioned therein, the body having a relatively small diameter opening extending therethrough and leading into the container interior; introducing a tight fitting needle-like conduit through the opening in the polymeric body and into the container interior; exerting a vacuum on the conduit to substantially evacuate the container; connecting a supply of the fluid component to the conduit and allowing the vacuum established in the container to draw a predetermined amount thereof into the container; removing the needle-like conduit from the polymeric body; force-fitting a metal insert into the opening in the polymeric body to seal it closed, and attaching the outer portion of the metal insert to the container to fix it in its sealing position in the polymeric body.
- Assignee:
- Medtronic, Inc., Minneapolis, MN
- Patent Number(s):
- US 4611395
- OSTI ID:
- 5356135
- Resource Relation:
- Patent File Date: Filed date 06 May 1985
- Country of Publication:
- United States
- Language:
- English
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