Package making – Methods – Closing package or filled receptacle
Patent
1997-09-24
1999-06-22
Coan, James F.
Package making
Methods
Closing package or filled receptacle
533292, 53353, 53489, 413 5, 413 26, B65B 728, B65D 5120
Patent
active
059137983
ABSTRACT:
In can production, a press apparatus is provided for tightly connecting a first contact surface of the can wall running around an axis to a second contact surface of a base, a lid or a closure membrane. If the press parts (16) are arranged essentially fixed in the axial direction or are held in a radial guide and can be moved radially by an actuating element (8) displaceable in the axial direction, the can need not also be moved during pressing. The contact regions of the can wall and of the separation element are guided in the region with the press surfaces. The end face of the can rests against a stop which is connected to the radial guide for the press parts and is immobile at least during the pressing process. Owing to the conical abutting region (18) between the actuating element (8) and the press parts (16), these can be pressed outward by means of an axial movement of the actuating element (8). For restoring and/or for achieving a gap-free press surface, three open rings (17) having gaps staggered relative to one another are arranged around the press parts (16).
REFERENCES:
patent: 1272789 (1918-07-01), Ford
patent: 1595304 (1926-08-01), Hulbert
patent: 1867288 (1932-07-01), Thomas
patent: 3299845 (1967-01-01), Geiger et al.
patent: 4599123 (1986-07-01), Christensson
patent: 5566529 (1996-10-01), Sireix
patent: 5577370 (1996-11-01), Pajak et al.
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