B - Operations – Transporting – 32 – B
Patent
B - Operations, Transporting
32
B
154/92.2
B32B 15/08 (2006.01)
Patent
CA 1339459
A steel sheet covered with a copolyester resin film is produced by laminating thereon a precoated copolyester resin film consisting of 75 to 99 mole % of polyethylene terephthalate and 1 to 25 mole % of a polyester resin produced by the esterification of at least one saturated polycarboxylic acid with at least one saturated polyalcohol. The copolyester resin film is precoated on one side uniformly with a small amount of a resin composite containing in its molecular structure at least one radical such as an epoxy radical or hydroxyl. The steel sheet is then heated to the temperature of the melting point of said copolyester resin film ~ 50° C, and the precoated side of said copolyester resin film is applied to both surfaces. This steel sheet laminated with copolyester resin film is suitable for some applications in which severe formability is required, such as deeply drawn cans formed by multiple drawings, drawn and partially ironed cans, and drawn and stretch-formed cans.
606025
Hanabusa Tetsuhiro
Inui Tsuneo
Kojo Harunori
Tanaka Atsuo
Norton Rose Or S.e.n.c.r.l. S.r.l./llp
Toyo Kohan Co. Ltd.
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