Allmetal Inc.

Vincent R Catalano

A key member or key for joining muntin or spacer bars in a dual pane window include an insertion end for frictional engagement in the open ended passage of a spacer bar and a projection end comprised of axially extending, spaced prongs that include teeth or serrations that enable interlocking with projecting prongs of a like key member.

Key for connection of muntin or window pane spacer bars

An integrally molded window spacer bar connector for joining opposed spacer bar end passages in the form of a hollow tube with a longitudinal axis of symmetry and a transverse axis of symmetry includes inclined leading edge ramps, a medial rib to control the insertion of the connector into spacer bars, and external channels to receive a sealant material for sealing the connector to the spacer bar at the seam of the joint of the spacer bar.

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St. Charles, IL, United States of America

Vincent R Catalano