Method of making complex hollow pieces by uniaxial hot pressing

Details Method of making complex hollow pieces by uniaxial hot pressing Method of making complex hollow pieces by uniaxial hot pressing

1992-11-19

1995-03-14

Loney, Donald J.

Stock material or miscellaneous articles

Structurally defined web or sheet

Nonplanar uniform thickness material

428175, 428188, 264 60, 264154, 264241, 264257, 264512, 52806, B32B 100, E04C 234, B28B 148

Patent

active

053976215

ABSTRACT:
Introducing into a space delimited by the walls of a mould a sufficient quantity of a material required to obtain the final composite, placing in the material movable inserts corresponding to the hollow sections of the final piece, applying to the unit a uniformly distributed mechanical pressure under heat, extracting the material from the mould and mechanically removing the movable inserts from the material. Structural pieces formed of sandwich panels incorporating an internal stiffener.

REFERENCES:
patent: 3641230 (1972-02-01), Jenks
patent: 4857093 (1989-08-01), Prewo et al.
patent: 4961771 (1990-10-01), Brooke

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