Composite material with a core and an adhering coating united th

Details Composite material with a core and an adhering coating united th Composite material with a core and an adhering coating united th

1977-11-30

1981-08-11

Epstein, Henry F.

Stock material or miscellaneous articles

Sheet including cover or casing

Including elements cooperating to form cells

52DIG7, 428 74, 428218, 428418, B32B 1508

Patent

active

042834490

ABSTRACT:
A composite material is formed with a porous core obtained by randomly folding or crumpling metal foils or filaments and has a coating adapted to strengthen the final product, of an adhering synthetic resinous material. Preferably, the core material is made more dense at the surface than at the interior as by hammering, pressing, striking, rolling, etc. To permit greater penetration of the resinous coating into the core, the core may be slit, punched or bored. The surface of the coating material may be further treated by fillers, painting, coating, vapor deposition, etc.

REFERENCES:
patent: 2454307 (1948-11-01), Cooley
patent: 2517724 (1950-08-01), Schuh
patent: 2728479 (1955-12-01), Wheeler
patent: 2829733 (1958-04-01), Bartels et al.
patent: 3031827 (1962-05-01), Onstad et al.
patent: 3156580 (1964-11-01), Howard
patent: 3574109 (1971-04-01), Yoshikawa
patent: 3655502 (1972-04-01), Yoshikawa
patent: 3703431 (1972-11-01), Kemper
patent: 3733675 (1973-05-01), Diederich

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