Method and device for the manufacture of can bodies by extension

Details Method and device for the manufacture of can bodies by extension Method and device for the manufacture of can bodies by extension

1989-08-01

1991-06-11

Meislin, D. S.

Metal deforming

By relatively receding work-engaging tool-faces

Embodying three or more tools

413 69, B21D 4102

Patent

active

050222546

ABSTRACT:
A device for expanding a tubular can body has a circular array of expansion blades which are inserted into the body and expanded by means of a central tapering shaft which is driven axially through a corresponding bore of the blade by a hydraulic piston and cylinder assembly. The ends of the blades are supported for radially expanding movement by a cylindrical housing which has an annular end wall received in peripheral channels formed in the individual blades. The channels have sufficient depth to accommodate the required radial expansion and retraction movements of the blades.

REFERENCES:
patent: 2405399 (1946-08-01), Bugg et al.
patent: 3459028 (1966-10-01), Bijvoet
patent: 3466920 (1969-09-01), Parker
patent: 3581546 (1971-06-01), Raget
patent: 3635073 (1972-01-01), Oliver
patent: 4064730 (1977-12-01), Gerretz
patent: 4065953 (1978-01-01), Frentzen et al.
patent: 4198844 (1980-04-01), Lowe et al.
patent: 4753101 (1988-06-01), Shultz

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