Stock material or miscellaneous articles – Web or sheet containing structurally defined element or... – Including a second component containing structurally defined...
Patent
1990-07-03
1993-06-22
Thibodeau, Paul J.
Stock material or miscellaneous articles
Web or sheet containing structurally defined element or...
Including a second component containing structurally defined...
428 358, 428 359, 428 366, 428 367, 428336, 4284258, 428461, 428469, 4284722, 4284723, 428518, B32B 516
Patent
active
052215768
ABSTRACT:
The invention relates to a strip or portion of a strip for deep drawing or drawing and ironing comprising a metallic layer carrying on one surface a surface coating of plastics material and on its other surface a coat of varnish characterized in that: the metallic layer is of aluminum alloy with each surface having a coating of anodic or chemical conversion oxide 20 to 80 nm thick; and the coat of varnish contains a solid lubricant consisting of particles which are harder than the varnish and less hard than the shaping tool or tools, which particles are of an average diameter greater than the thickness of the said coat after firing. The invention also has an object the use of this strip to produce various hollow bodies or containers, particularly with a height:diameter ratio in excess of 2.5 and for producing aerosol or pump distributors. Thus transformed, the strip according to the invention can be applied to various fields such as those of cleaning products, hygiene, foodstuffs, cosmetics and pharmaceuticals.
REFERENCES:
patent: Re29739 (1978-08-01), Kessler
patent: 4559266 (1985-12-01), Misasa et al.
patent: 4608286 (1986-08-01), Motoishi et al.
patent: 4861647 (1989-08-01), Ishikawa et al.
patent: 4980210 (1990-12-01), Heyes
Bosc Richard
Brugerolle Pierre
Jupin Alain
Layre Rene
Cebal
Le Hoa T.
Thibodeau Paul J.
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