Composite stiff lightweight structure and method for making same

Details Composite stiff lightweight structure and method for making same Composite stiff lightweight structure and method for making same

1987-10-01

1991-12-31

Derrington, James

Plastic and nonmetallic article shaping or treating: processes

Gas or vapor deposition of article forming material onto...

264 62, 264 67, B29C 3100

Patent

active

050769820

ABSTRACT:
A method for making a lightweight structure having a high stiffness to weight ratio comprising providing a substrate defining at least a pair of outer surfaces spaced from each other, boring at least one hole through the structure to provide at least one void passage extending through the substrate between the outer surfaces, coating the outer surfaces of the substrate and the surfaces of the passage with a chemical vapor deposited material to a thickness of about one millimeter, plugging the void passage with a plug of a substrate material, and further coating the coated outer surfaces of the substrate and the ends of the plugs with a chemical vapor deposited material to form a continuous monolithic structure thereon.

REFERENCES:
patent: 4501777 (1985-02-01), Rose

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