High density materials and products

Details High density materials and products High density materials and products

1988-05-12

1990-08-21

Jordan, Charles T.

Ammunition and explosives

Projectiles

Composite

102459, F42B 704

Patent

active

049496450

ABSTRACT:
High density materials, e.g. for fishing weights or pellets or shot as ammunition, are composed of a material comprising high-density metal particles in particular tungsten-containing particles, in a settable or hardenable polymeric matrix providing a composite material of stable configuration. Fishing weights may be produced in known forms, or as flexible tubing to be cut to size by the user, or as a hinged pair of body parts which can be closed together to grip a line between them and to be reopened. For pellets or shot similar materials comprising a polymeric matrix can be provided, or such products can be pressed directly from a tungsten alloy. These products all offer particular advantages of non-toxicity, and the fishing weights can be given the ability to be re-used many times.

REFERENCES:
patent: 3749016 (1973-07-01), Hershkovitz
patent: 3852907 (1974-12-01), Haught
patent: 4005660 (1977-02-01), Pichard
patent: 4383853 (1983-05-01), Zapffe
patent: 4428295 (1984-01-01), Urs
Powder Metallurgy-Principles and Applications, p. 376 (chart of mesh size vs particle size).

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