Method of making syntatic modules

Details Method of making syntatic modules Method of making syntatic modules

1976-10-22

1977-08-09

Moon, Charlie T.

Metal working

Method of mechanical manufacture

Assembling or joining

9 8R, 29DIG46, 29463, 138149, 264109, 264128, 264 466, 264294, B23P 300, B23P 2500

Patent

active

040401650

ABSTRACT:
An improved method of making syntatic modules which includes the following steps. A preform mold and a casting mold are formed of predetermined configuration. A woven roving of predetermined size is formed to provide a skin. Additionally a layer of spacer material is formed which includes a plurality of voids. The roving is attached to the spacer material to form a laminate. The laminate is formed to the insidewalls of the preform mold and then the preform mold is filled with a plurality of hollow balls. A thin layer of resin is poured into the preform mold to connect the balls. The composite is removed from the preform mold and placed into the casting mold after spacer material is attached to the exposed end portions of the composite. A syntatic foam resin is added to the casting mold interior so as to fill all spaces between the balls and all voids in the spacer material. The syntatic foam resin is then cured and the mold parts are removed thereby producing a module.

REFERENCES:
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patent: 2985411 (1961-05-01), Madden
patent: 3258511 (1966-06-01), McGregor, Jr.
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patent: 3729756 (1973-05-01), Cook et al.
patent: 3763548 (1973-10-01), Anderson
patent: 3978176 (1976-08-01), Vaegeli
patent: 3996654 (1976-12-01), Johnson

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