Process for preparation of metal vessels

Details Process for preparation of metal vessels Process for preparation of metal vessels

1982-10-21

1984-05-29

Gilden, Leon

Adhesive bonding and miscellaneous chemical manufacture

Methods

Surface bonding and/or assembly therefor

1562748, 1562753, 156294, 413 1, B29C 1904

Patent

active

044513160

ABSTRACT:
Disclosed is a process for the preparation of metal vessels, which comprises lap-bonding both the circumferential end portions of upper and lower members, each consisting of a seamless formed metal cup, through a layer of a hot adhesive interposed therebetween, wherein a high frequency induction heating coil is arranged so that the coil covers a part, smaller than the semicircle, of the circumferential portion to be formed into a seam, which circumferential portion consists of said end portions engaged with each other through the hot adhesive layer, electricity is applied to the heating coil to induce an eddy current passing through said end portions and the circumferential portion and the heating coil are rotated relatively to each other, whereby both the end portions are heated and a seam is formed by heat bonding.

REFERENCES:
patent: 3281302 (1966-10-01), Kreb et al.
patent: 3620886 (1971-11-01), Sims
patent: 3802942 (1974-04-01), Aniberg
patent: 3996092 (1976-12-01), Leatherman
patent: 4226652 (1980-10-01), Bery
patent: 4280268 (1981-07-01), Gorden
patent: 4373983 (1983-02-01), Walter

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