Method of bonding a battery package

Details Method of bonding a battery package Method of bonding a battery package

1993-03-19

1994-04-05

Skapars, Anthony

Metal working

Method of mechanical manufacture

Electrical device making

429 4, H01M 202

Patent

active

053001257

ABSTRACT:
A method of fabricating a battery package. The battery package (5) is made using a two-piece plastic housing (16, 18, 20), with one or both of the pieces having one or more apertures (30). Cylindrical-shaped batteries (10) are electrically connected to each other and situated in the housing so that the cylinder wall (32) of each battery is co-located with an aperture, and so that the cylinder wall is substantially tangent to the exterior surface (33) of the housing. The battery package has positive and negative terminals (22, 24) on the housing that are connected to the batteries. A cover, comprising a film (34) and an adhesive material (36), is placed on the exterior surface of the housing. The assembly is ultrasonically welded so that the two pieces of the housing are joined. The ultrasonic energy also forms an adhesive bond between the co-located battery cylinder walls, the cover, and the housing by heating the adhesive material to form a unitized battery package.

REFERENCES:
patent: 3794525 (1974-02-01), Kaye
patent: 3887394 (1975-06-01), Kaye
patent: 4091187 (1978-05-01), Kaye
patent: 4123598 (1978-10-01), Hammel
patent: 4190702 (1980-02-01), Pun et al.

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