Metal working – Method of mechanical manufacture – Electrical device making
Patent
1989-05-31
1990-08-28
Paumen, Gary F.
Metal working
Method of mechanical manufacture
Electrical device making
439882, H01R 420
Patent
active
049513893
ABSTRACT:
A method is disclosed for making a wire-receiving barrel terminal having a barrel with a desired inner diameter comprising the steps of: selecting a metal stock having the desired properties; stamping a terminal blank 12 having a forward portion 14 adapted to be formed into at least one contact section, an intermediate portion 16 extending rearwardly from said forward portion 14 and a rearward portion 18 adapted to be formed into first and second barrel sections 20, 32. The second barrel section 32 of said rearward portion is joined integrally with and extends rearwardly from said intermediate portion 16 and the first barrel section 20 is joined integrally with and extends from the second barrel section 32. The first and second barrel sections 20, 32 are generally rectangular and each has at least one lateral edge, and a lateral dimension equal to the circumference of a circle of desired wire receiving barrel inner diameter. In one embodiment first barrel section 20 is laterally offset from second barrel section 32 by bight section 42. A seamed barrel shaped member 44 is formed from first barrel section 20. Seamed outer barrel member 50 from second contact section 32 is formed around barrel-shaped member 44 after disposition thereof along a major surface of second barrel section 5 by bending at bight section 42. The seams 46, 52 of barrel terminal member 58 are essentially diametrically opposed and a continuous portion of the outer barrel member 50 overlies the inner slam 46. In another embodiment, a spiral double walled barrel 158 is formed by rolling, rearward portion 118 into barrel 158 having lateral edges 60, 62 thereof along a continuous wall portion.
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Kaley Robert C.
Wise James H.
AMP Incorporated
Nelson Katherine A.
Paumen Gary F.
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