Metal deforming – With cleaning – descaling – or lubrication of work or product – Lubricating
Patent
1974-10-29
1976-03-23
Lanham, C. W.
Metal deforming
With cleaning, descaling, or lubrication of work or product
Lubricating
72349, 113120A, B21C 900, B21D 2228
Patent
active
039452310
ABSTRACT:
In preparing thin walled cylindrical containers, e.g., can bodies, by the drawing and ironing processing, the lubricating effect between the metal material and tool metal can be highly improved by irradiating ultrasonic waves at least to the part to be ironed of the side wall portion of a cup-like formed article simultaneously with application of a lubricant. With the improvement of the lubricating effect thus attained, the manufacturing rate of can bodies can be greatly increased without such troubles as breakages of the head portion, the ear edge portion and the bottom wall portion of the can body. This improvement of the lubricating effect can be further enhanced when ultrasonic waves are irradiated in the direction perpendicular to the tapered face of a tapered inlet portion of an ironing die.
REFERENCES:
patent: 2393131 (1946-01-01), Vang
patent: 3434329 (1969-03-01), Goble
patent: 3495427 (1970-02-01), Balamuth
patent: 3577753 (1971-05-01), Shah et al.
patent: 3613422 (1971-10-01), Kendall
patent: 3657910 (1972-04-01), Isobe et al.
patent: 3774426 (1973-11-01), Jezik et al.
patent: 3820368 (1974-06-01), Fukuzuda et al.
Imazu Katsuhiro
Miyata Masao
Combs E. M.
Lanham C. W.
Toyo Seikan Kaisha Limited
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