Collapsed body bead for improved sidewall integrity of metal can

Details Collapsed body bead for improved sidewall integrity of metal can Collapsed body bead for improved sidewall integrity of metal can

1992-01-03

1992-08-11

Pollard, Steven M.

Receptacles

Sidewall structure

Collapsible wall feature

220672, 53486, 413 75, B65D 140

Patent

active

051371715

ABSTRACT:
A can body which is reinforced by collapsed radially inwardly directed beads. The beads may either be normal to the axis of the can body or slope at an angle thereto. Maximum axial strength is obtained when the beads are normal to the axis of the can body while maximum panel strength is obtained when the beads slope at an angle to the axis. The can body is provided with normal open beads which are collapsed either during a flanging operation or a double seaming operation. When the beads slope relative to the axis of the can body, it is necessary that the originally formed open beads have configuration which will permit the collapsing of the beads while the beads remain in angular relation with respect to the axis of the can body.

REFERENCES:
patent: 1730434 (1929-10-01), Mauser
patent: 2414781 (1947-01-01), Wacker
patent: 3099069 (1963-07-01), Pugh et al.
patent: 3117873 (1964-01-01), Bartels et al.
patent: 4921116 (1990-05-01), Troughton

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