Method of producing arc window frames

Details Method of producing arc window frames Method of producing arc window frames

2003-03-11

2004-04-27

Braun, Leslie A. (Department: 3632)

Static structures (e.g., buildings)

Processes

Barrier construction

C052S211000, C052S745080

Reexamination Certificate

active

06725622

ABSTRACT:

BACKGROUND OF THE INVENTION
The present invention is related to a method of producing an arc window frame wherein said arc window frame is mainly made up of an arc decorative board, an arc upper frame, an arc lower frame, a lower board, blades, a small lower board, and a pair of semicircular plates. Said arc decorative board is fastened to the top of said arc upper frame, and said lower board is screw joined to the bottom of both said arc upper frame and lower frame thereof. Said blades, joined to both arc upper frame and lower frame in radial shape via inserted pins disposed at both ends thereof, can also be adjusted in different angles for use. Said small lower board is located on top of said lower board, while said semicircular plates are adapted to cover both sides of said arc lower frame to complete the production thereof; whereby, said arc window frame, mainly molded via the material of foam plastics, is convenient, fast, and easy in production as well as beautiful in display as a whole.
Please refer to
FIG. 1. A
conventional arc window frame
10
is mainly made up of an arc wooden frame
11
having an inserted groove
111
defining the inner circumference thereof, and a lower board
12
securely fixed to the bottom of said arc wooden frame
11
thereof. Said lower board
12
has an engaging groove
121
disposed at the upper facet thereof. A semicircular colored glass
12
is joined to said inserted groove
111
and said engaging groove
121
thereof and located at the space defined by said arc wooden frame
11
and said lower board
12
therein. A pair of decorative bars
14
is adapted to the front side of said semicircular colorful glass
12
in V shape.
There are some drawbacks to such conventional arc window frame
10
. Most of all, said arc wooden frame
11
is made by carving, which makes the process of production both inconveniently complex and uneconomically time-consuming.
SUMMARY OF THE PRESENT INVENTION
It is, therefore, the primary purpose of the present invention to provide a method of producing an arc window frame wherein said arc window frame is mainly molded via the material of foam plastics, which is more convenient, faster, and easier in the process of production as well as more beautiful in display as a whole.
It is, therefore, the secondary purpose of the present invention to provide a method of producing an arc window frame wherein said arc window frame is equipped with a plurality of blades which, each joined to an arc upper frame and an arc lower frame in radial shape for beautiful display, can also be adjusted into different angles for practical use.


REFERENCES:
patent: 4563846 (1986-01-01), Webb
patent: 4669233 (1987-06-01), Minter
patent: 4780998 (1988-11-01), Knapp
patent: 4825611 (1989-05-01), Bassett
patent: 4955168 (1990-09-01), Barry
patent: 5115605 (1992-05-01), Butler
patent: 5471789 (1995-12-01), Faircloth
patent: 5537780 (1996-07-01), Cleaver et al.
patent: 6257301 (2001-07-01), Conforti
patent: 6401405 (2002-06-01), Hicks

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