A metal case plastic-face meter box window cover having a metallic frame providing an exposed peripheral edge which is capable of being welded or soldered onto the meter box and having a transparent face of plastic material molded upon a peripheral flange of the metal case, with such peripheral flange forming a thin web of metal capable of conforming to the change of the plastic during its curing stage so as to prevent loss of adhesion therebetween.
|Original language||English (US)|
|U.S. patent number||3955021|
|State||Published - May 3 2011|