Apparatus and method of producing battery case

Details Apparatus and method of producing battery case Apparatus and method of producing battery case

2007-10-30

2007-10-30

Banks, Derris H. (Department: 3725)

Metal deforming

By use of closed-die and coacting work-forcer

Cup or shell drawing

C072S379400

Reexamination Certificate

active

11438528

ABSTRACT:
An apparatus for producing a battery case which has a tubular shape with a closed end and which houses an electricity-generating element, the apparatus including: a die assembly including a blanking die, a drawing die, a redrawing die and an ironing die which have respective die holes having mutually different sizes and which are immovably and coaxially arranged in series in the order of the sizes of the die holes; a first punch, a second punch and a third punch which are disposed coaxially with respect to the die assembly such that the first through third punches can be inserted into the corresponding die holes of the respective dies; and a moving mechanism which permits the first through third punches to be inserted into the corresponding die holes.

REFERENCES:
patent: 3636748 (1972-01-01), Hall et al.
patent: 4183238 (1980-01-01), Maillet
patent: 2 370 882 (2000-11-01), None
patent: 00/69004 (2000-11-01), None

Affiliated with

Also associated with

Rating

Apparatus and method of producing battery case does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Apparatus and method of producing battery case, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Apparatus and method of producing battery case will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-3880464