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Thermal-barrier-threshold

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Thermal barrier threshold

Details

Inventors: Brown, James R.; Goss, Jr., Lorane C.;
Assignee: Capitol Products Corporation (Mechanicsburg, PA)
Primary Examiner: Kannan; Philip C.
Assistant Examiner:
Attorney, Agent or Firm: Johnson; Donald L., Sieberth; John F., Leonard; Paul H.

A threshold formed of an extruded aluminum shape and a plastic shape, the two shapes being interlocked and the plastic shape defining that part of the threshold inwardly of the bottom of a door and exposed to outside temperatures. The aluminum shape extends outwardly from the door and provides the base for the plastic threshold shape.

DETAILED DESCRIPTION The present invention comprises two basic parts, an extruded aluminum shape or base plate and a continuous plastic threshold, preferably made from PVC or other suitable rigid and strong plastic, which two parts are interlockingly engaged.
The metal part defining the base has protruding members or legs extending therefrom which engage corresponding protruding members or legs extending from the plastic part defining the threshold.
The legs of one part are so constructed that they interlock with their respective members on the other part.

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