Static structures (e.g. – buildings) – Composite prefabricated panel including adjunctive means – Sandwich or hollow with sheet-like facing members
Reexamination Certificate
1999-09-07
2002-09-24
Mai, Lanna (Department: 3635)
Static structures (e.g., buildings)
Composite prefabricated panel including adjunctive means
Sandwich or hollow with sheet-like facing members
C052S784100, C052S784110, C052S784140, C052S793100, C052S793110, C052S800100, C052S800110, C052S800120, C052S800130, C052S802100, C052S716400, C052S717010
Reexamination Certificate
active
06453638
ABSTRACT:
BACKGROUND OF THE INVENTION
1. Field of the Invention
This invention relates to a stile structure and interior reinforcement for a press molded door, and, more particularly, to a press molded door with an improved reinforcing material and stile structure.
2. Description of the Related Art
Taiwan Utility Model application No. 84204994, entitled “An Improvement For The Assembly Structure Of Pressed-Molded Door”, was applied for and granted prior to this invention. However, the subject matter of that patent suffers from drawbacks in connection with the gluing process, material used, assembly time, and size flexibility. This invention is intended to solve those problems and improve the ease of assembly.
SUMMARY OF THE INVENTION
This invention relates to a press molded door with an improved reinforcing and stile structure comprising two door panels, top, bottom, left and right structural members, and an interior reinforced material. The invention is characterized by the structure of the co-extruded, interior reinforcement which is rigid in one plane and flexible in another plane. The above mentioned interior reinforcement is made with the door panel, together, by a single mold that can reduce the assembly time, enhance the strength of door, and enhance the quality. The above mentioned reinforcement is recessed near the handle to form a closed space with two top and bottom structural members. Finally, an imitation wood grain finish is added to the door.
The above mentioned left and right structural members of this press molded door have a groove into which T-shaped left and right stiles are inserted via a compression-fit. The top and bottom structural members are combined with the two door panels to form a closed space. After that, a hole is drilled in the bottom structural member for filling the inside with polyurethane to make an imitation wood grain door.
Moreover, the press-molded door of this invention can be made to different widths according to customers' needs, by cutting two sides of the door. Furthermore, doors with various widths can be produced by arranging the left and right stiles at different widths.
REFERENCES:
patent: 2705820 (1955-04-01), Torrence
patent: 3339329 (1967-09-01), Berg
patent: 3786609 (1974-01-01), Difazio
patent: 3837134 (1974-09-01), DiFazio
patent: 4386482 (1983-06-01), Quinif
patent: 4514449 (1985-04-01), Budich
patent: 4748780 (1988-06-01), Vinther
patent: 5537789 (1996-07-01), Minke et al.
patent: 5875609 (1999-03-01), Quinif
patent: 553015 (1943-05-01), None
Bacon & Thomas PLLC
Dorsey Dennis L.
Mai Lanna
Nan Ya Plastics Corporation
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