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Compression molded door assembly
| Details |
Inventors: Thorn, John E.;
Assignee: Therma-Tru Corp. (Toledo, OH)
Primary Examiner: Ridgill, Jr.; James L.
Assistant Examiner:
Attorney, Agent or Firm: Emch, Schaffer, Schaub & Porcello Co.
A compression molded door assembly is disclosed. A rectangular frame is not required. The edges of the opposed door skins include integral mating edge members over at least a portion of the side edges. A vertical stile may be positioned along another edge. |
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DETAILED DESCRIPTION OF THE DRAWINGS FIG.
1 is an elevational view of a compression molded door assembly, according to the present invention, and having a portion of the door skins removed in the corners to show the interior of the structure; FIG.
2 is a fragmentary, cross-sectional view taken along the line 2--2 of FIG.
1; FIG.
3 is a fragmentary, cross-sectional view taken along the line 3--3 of FIG.
1; FIG.
4 is a fragmentary, cross-sectional view taken along the line 4--4 of FIG.
1; FIG.
5 is a fragmentary, cross-sectional view taken along the line 5--5 of FIG.
1; FIG.
6 is a fragmentary, exploded view of one embodiment of the present invention and showing a vertical stile member; FIG.
7 is a fragmentary, cross-sectional view of the FIG.
6 embodiment after assembly; FIG.
8 is a fragmentary, exploded view of another embodiment of the present invention and showing another type of vertical stile member; and FIG.
9 is a fragmentary, cross-sectional view of the FIG.
8 embodiment after assembly.
DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS A compression molded door assembly, according to the present invention, is generally indicated by the reference number 10 in FIG.
1.
The compression molded door assembly 10 includes a pair of opposed compression molded door panels or skins 11 and 12.
The interior of door assembly 10 is often filled with a foamed core 13.
Each of the skins 11, 12 is a compression molded sheet molding compound (SMC) panel which includes 15% to 40% fibrous glass reinforcement, by weight, and 10% to 40% inert material filler, by weight, in the molding resin.
Unsaturated polyester polymers blended with vinyl monomers such as styrene are molding resins that may be cured under heat and pressure form the thermoset compression molded skins.
The molding resins include unsaturated polyester resin compositions and modifications as disclosed in, for examples, U.
S.
Pat.
Nos.
3,772,241 and 3,883,612.
The inert filler may be, for examples, calcium carbonate or aluminum trihydrate
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