Insulated slat

Details Insulated slat Insulated slat

1981-12-23

1984-03-13

Caun, Peter M.

Flexible or portable closure, partition, or panel

Plural strip, slat, or panel type

Movably interconnected

160236, A47H 113

Patent

active

044361360

ABSTRACT:
A slat assembly for a door includes a steel slat for the outside of the door and an extrusion of polyvinylchloride (PVC) serving as an insulation cover. A cavity in between the slat and the insulation cover is filled with insulation, the insulation and insulation cover providing a thermal break between the outside steel slats and the inside. The insulation cover is uniquely shaped to maximize strength and to secure it indirectly by way of a steel clip to the steel slat such that stress is minimized by accomodating differing coefficients of thermal expansion.

REFERENCES:
patent: 546858 (1895-09-01), Kinnear
patent: 675953 (1901-06-01), Kinnear
patent: 675954 (1901-06-01), Kinnear
patent: 1013945 (1912-01-01), McCloud
patent: 1352656 (1920-09-01), Cahill
patent: 1707287 (1929-03-01), Sudzki
patent: 2039447 (1936-05-01), Pixley
patent: 3481386 (1969-12-01), Smart
patent: 3511301 (1970-05-01), Graham et al.
patent: 3772129 (1973-11-01), Dover
patent: 3941180 (1976-03-01), Thill
patent: 4037639 (1977-07-01), Jones
patent: 4183393 (1980-01-01), Bailey
Kinnear Bulletin No. 219, Kinnear Rolling Doors and Grilles, pp. 4, 5 and 9.

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