Plastic and nonmetallic article shaping or treating: processes – With step of making mold or mold shaping – per se
Reexamination Certificate
2001-05-21
2002-10-01
Kuhns, Allan R. (Department: 1732)
Plastic and nonmetallic article shaping or treating: processes
With step of making mold or mold shaping, per se
C029S527100, C264S299000
Reexamination Certificate
active
06458305
ABSTRACT:
BACKGROUND OF THE INVENTION
1. Field of the Invention
The present invention relates to a colored sculpturesque polyresin model and the method to produce the same, and particularly to the colored sculpturesque model produced by special processes having a appearance with the sense of realization and delicate.
2. Description of Related Art
Decorations are usually in use for artistic reason when we are undertaking horticultural and gardening tasks. Particularly, people place mountain-like stones of suitable crafts like statues to be put beside planted trees and flowers to meet the predetermined designing effect. But these known decorating materials are usually made by handiwork and are expensive and hardly available. Therefore, it is hard for a designer to shape the suitable material he or she used into a gardening design.
It is known that the product of polyresin material is characterized by low cost and easy mass production. The light weight of a polyresin product will very helpful for the carrying and other work of gardening. Therefore polyresin reproduction of crafts like stone statues or carvings is now available to make horticultural or gardening decoration easier and cheaper. The conventional method to produce the polyresin reproduction is shown in FIG.
1
. First, a prototype
11
made of clay is made and shaped by carving, sculpturing or other necessary treatment to make sure of the details and final shape of prototype
11
. Then the prototype
11
is used to make a first-step mold
12
. The raw material of polyresin mixture
13
is mixed into a liquid phase to be injected into the first-step mold. The polyresin mixture
13
in the first-step mold is then hardened to a solid model
14
as desired. The solid model is cleaned and evened
15
after the forming process and is then colored or painted
16
with predetermined patterns. After that, the final product is assembled, and any necessary accessory
17
is added, and the product is painted, yielding a final product
18
. The conventional method to mass-produce the polyresin reproduction is shown in the FIG.
1
. First, a prototype
11
made of clay is made and shaped by carving, sculpturing or other necessary treatment to make sure of the details and final shape of prototype
11
. Then the shape of said prototype
11
makes a first-step mold
12
. And raw material of polyresin mixture
13
is mixed into liquid phase for the use of injecting into the first-step mold. The polyresin mixture
13
in the firs-step mold is then waited to solidify a solid model
14
as desired. The solid model should be cleaned and evened
15
after the forming process and is then colored or painted
16
with predetermined patterns. After that, the final product is then assembled the necessary accessory
17
by the original design and painted by conventional coloring way. At last, a final product
18
is to by made.
However, the afore-mentioned conventional method still leaves some problems to the outlook of the final products to be improved. First of all, according to the conventional method, if a conventional producer plans to create the first-step mold, only two kinds of clay can be used to from the prototype. However the softness of oily clay is usually causes the difficulty of delicate carving or sculpturing. On the other hand, aqueous clay. Oily clay is easier to shape. can keep the delicate carved profile or patterns for a longer period. But aqueous is prone to gradually lose water it contains. Because of losing its water, the prototype made of aqueous clay is apt to crack and the following processes will fail. Another problem to the conventional method is way of coloring or painting. Traditional step to color is to be taken after the non-colored polyresin mixture solidified and polished. The conventional coloring takes too much time to paint on the final products and it is understanding that such a step should be hand-working. Therefore, it results in expensive cost and time wasting. Besides, the painting or coloring will be unnatural because of the polyresin material itself and the later added color.
Accordingly, what is desired to develop a cheaper and timesaving method contains fewer steps to produce the colorful polyresin sculpturesque. And by implementing the new method, the final product is more delicate and natural due to the simplified and fast processes.
SUMMARY OF THE INVENTION
Accordingly, the purpose of the present invention is to provide a producing method, which uses less, steps in manufacturing process and can get more delicate and natural final product by changing the ingredient in the process of forming a polyresin products.
Another purpose of the present invention is to provide a producing method which combines and simplifies several process steps to make timesaving and cost-down be possible.
A third purpose of the present invention is to provide an easier way to mass-produce different polyresin products in garden design or horticultural use and enriches the material of the gardening decoration.
In order to achieve the objects set forth, a new method for producing colored polyresin sculpturesque products includes the following steps. First, a prototype is made of sandstone by carving, shaping, and other similar treatments. Then a first-step mold is made according to the shape of the prototype. Polyresin, hardeners, sand, cement, and desired colored powder are mixed in a liquid phase. The mixture is the raw material of polyresin sculpturing. The polyresin mixture in a liquid phase is then injected into the first-step mold. Then, the liquid polyresin mixture in the mold solidifies and forms an intermediate product. Finally, the intermediate product is cleaned and evened, and after assembling any desired accessory, a final product is formed.
Other objects, advantages and novel features of the invention will become more apparent from the following detailed description when taken in conjunction with the accompanying drawings.
REFERENCES:
patent: 779979 (1905-01-01), Walter
patent: 928061 (1909-07-01), Mitats
patent: 1038115 (1912-09-01), Gillies
patent: 2846742 (1958-08-01), Wagner
patent: 3548050 (1970-12-01), Mozer
patent: 3811627 (1974-05-01), Bradbury et al.
patent: 4160003 (1979-07-01), Kozuka et al.
patent: 5244620 (1993-09-01), Uchiyama
Kuhns Allan R.
Pro-Techtor Inter-national Services
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