Patent ID: 9478340
Filing Date: 2016-10-25
CPC Classification: B21J,B21K,B23P,H01F,H01H,Y10T

Claim Text:
1. A method of providing a solenoid housing, comprising the steps of: providing a cylinder of malleable material having a part; extending a flange from said part; raising at least a portion of said part to form a raised wall axially between said flange and said part; raising a center-pole from said part; extending a bore axially through said center-pole to produce a center-pole raised wall; and providing said center-pole raised wall with a non-magnetic region selected from the group consisting of: a perforated region, a region comprised of non-magnetic material, a region wherein said region has a smaller cross sectional area than a cross sectional area of the remainder of the center pole raised wall, and combinations thereof.