Chipable mineral composition for an excavation toy including a b

Compositions: coating or plastic – Coating or plastic compositions – Alkali metal silicate containing

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106631, 106634, 106636, 106272, C04B 2824

Patent

active

059721014

ABSTRACT:
A composition with the required chipping characteristics can be formed into a solid block surrounding objects to be exposed by chipping away the material of the block to define a paleontology or similar toy. The composition contains rounded granite particles of two different mesh sizes, a wax filler material in the interstices between the particles and a separate binder to form the structure into a solid block.

REFERENCES:
patent: 430766 (1890-06-01), Boxer
patent: 621797 (1899-03-01), Curtis
patent: 1136980 (1915-04-01), Thoma
patent: 2475781 (1949-07-01), Gallup
patent: 4398960 (1983-08-01), Murray
patent: 5358554 (1994-10-01), Seymour et al.
Ramachandran, "concrete admixtures handbook, properties, science and technology", Noyes Publications, New Jersey, p. 518 1984.

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