Method of preparing a fossil molding

Details Method of preparing a fossil molding Method of preparing a fossil molding

1998-12-16

2001-04-17

Silbaugh, Jan H. (Department: 1732)

C264S113000, C264S256000, C264S313000, C264S643000, C264S670000, C264S679000

Reexamination Certificate

active

06216896

ABSTRACT:

BACKGROUND OF THE INVENTION
The present invention relates to fossil moldings and preparation thereof.
Fossil studying is an important subject in archeology. Gathering fossils is an interesting thing to many people. However, it is not easy to obtain a fossil. This problem obstructs the promotion of fossil research and study. The study of ancient living things begins when ancient fossil dinosaurs were discovered. In the past, only archeologists have chance of contacting fossil dinosaurs. Ordinary people can observe archeologists in discovering fossils only through books, television or video tapes. Few people have the chance of enjoying the discovery of a fossil. It is meaningful to provide fossil moldings for ordinary people to see and enjoy, or to study. It is more meaningful to provide a fossil molding having a fossil animal or plant raised from a base rock and covered with a cover rock. A fossil molding of this kind enables people to enjoy the happiness of discovering a fossil.
SUMMARY OF THE INVENTION
It is one object of the present invention to provide a fossil molding that can be made through a mass production process economically. It is another object of the present invention to provide a fossil molding that can be made of different materials through a mass production process. It is still another object of the present invention to provide a fossil molding which has a cover rock that can be scraped away by the consumer, enabling the consumer to enjoy the happiness of discovering a fossil. The preparation of the fossil molding includes three stages, namely, the first stage of the preparation of a fossil skeleton semi-finished product, the second stage of the preparation of a primarily finished product having a fossil skeleton raised from a base rock, and the third stage of the preparation of a secondarily finished product having a cover rock covered on the fossil skeleton. A fossil skeleton semi-finished product is made by selecting a fossil skeleton material, then mixing the selected material with water to form a paste-like material, and then filling the paste-like material in the cavity of a flexible mold, enabling it to be molded into a fossil skeleton semi-finished product. The material can be selected from (a) the mixture of pot earth and red earth, (b) the mixture of white cement and quartz sands, or (c) the mixture of unsaturated resin, calcium carbonate and pigment. The fossil skeleton can be the skeleton of a dinosaur, shell, fish, etc., of any of a variety of sizes. The flexible mold can be, for example, a silicon rubber mold for easy stripping. It is not necessary to remove the molding of the fossil skeleton semi-finished product from the mold during the first stage. A primarily finished product is made by: mixing a base rock material with water to form a paste-like material, then covering the paste-like material on the mold obtained from the aforesaid first stage over the fossil skeleton to the desired thickness, then letting the paste-like material be dried in the air without radiation of the sun. The base rock material can be selected from (a) the mixture beach sands, pot earth and red earth, (b) the mixture of gray cement and black sands, or (c) the mixture of unsaturated resin and black sands. In case the fossil skeleton material is obtained from the mixture of pot earth and red earth, and the base rock material is obtained from the mixture of beach sands, pot earth and red earth, the fossil molding thus obtained must be roast-sintered at 1000° C.~1500° C. A secondarily finished is made by: preparing a cover rock material by mixing black sands, gypsum and red earth into a mixture, then mixing the mixture thus obtained with water to form a paste-like cover rock material, and then covering the paste-like cover rock material on the primarily finished product to the desired thickness, and then letting the paste-like cover rock material be dried in the air without radiation of the sun, so as to obtain a cover rock covered fossil molding. Because the cover rock is softer than the fossil skeleton and the base rock, it can easily be scraped away from the fossil skeleton without causing damage to the fossil skeleton.


REFERENCES:
patent: 2147770 (1939-02-01), Ford
patent: 3769114 (1973-10-01), Weigert
patent: 3917786 (1975-11-01), Weigert

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