Method of making a can
AssigneeD'Aucy France
InventorJérémie AUGÉ
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Abstract
The present invention relates to can-type containers, closed at one end by a flexible bottom attached to the can by means of a crimping ring which is a welded ring.
Claims21
A method of manufacturing a can comprising, placing a bottom at one end of a body of the can, the bottom being attached to the body of the can through a retaining ring crimped to the one end of the body of the can, wherein the retaining ring is a welded ring and the bottom is formed from a flexible sheet.
A method of applying a bottom to a can body comprising:
- (a) providing a can body with a bottom attached to an end,
- (b) providing a flexible sheet
- (c) cutting the flexible sheet to obtain a cut-out element of a same shape as the end of the can body and with a perimeter slightly larger than a perimeter of the end of the can body,
- (d) affixing the cut-out element to the end of the can body,
- (e) crimping the cut-out element to the end of the can body by crimping with a retaining ring, the retaining ring being a welded ring.
A can having a metal body and at least one end of the metal body closed by a bottom comprising a flexible foil, wherein the flexible foil is held on the metal body by a ring crimped on the metal body, wherein the ring is a welded ring.
Dependencies are inferred from the claim text.