Metal working – Method of mechanical manufacture – Electrical device making
Patent
1989-08-31
1991-02-19
Hall, Carl E.
Metal working
Method of mechanical manufacture
Electrical device making
29863, 29868, 29877, 29883, 174 84C, 174DIG8, 156 86, 264230, H01R 4304
Patent
active
049931490
ABSTRACT:
An electrical connector utilizing a crimpable ferrule with an electrical insulation sleeve thereover, and a transparent outer sleeve surrounding the ferrule and insulation sleeve, with the transparent outer sleeve formed of coextruded, multi-layer material with at least one layer being oriented and heat-shrinkable, and with the inner layer being a heat-activable adhesive. A portion of the outer sleeve is preshrunk to aid in the use thereof. The electrical connector in accordance with this invention is produced by placing a crimpable ferrule having an insulation sleeve thereon upon a first support, with the outer sleeve upon a second support, with both vertically oriented and coaxially arranged, and with the support for the outer sleeve at a lower elevation than the other support. The arrangement is passed through a heating zone to partially shrink a portion of the outer sleeve about the insulating sleeve, and to activate an inner adhesive layer on said outer sleeve into adhesion with the insulating sleeve.
REFERENCES:
patent: 2863132 (1958-12-01), Sowa
patent: 3291894 (1966-12-01), Sampson
patent: 4151364 (1979-04-01), Ellis
patent: 4547240 (1985-10-01), Zilligen et al.
Feeny Richard J.
Zilligen James A.
FTZ Industries, Inc.
Hall Carl E.
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