Method of forming a hermetically sealed container and the tools

Details Method of forming a hermetically sealed container and the tools Method of forming a hermetically sealed container and the tools

1975-05-30

1978-04-18

Lanham, C.W.

Receptacles

Compartmented container

Compartment partition is movable or removable

15415R, 30441, 72402, 113120BB, 113121A, 113121F, 220 67, 220 81R, B21D 5148

Patent

active

040845257

ABSTRACT:
A method and tools for forming a hermetically sealed container from a previously used can characterized by removing a portion of a top of a can radially inward of an inward edge of an annular depression of the top to form an opening, placing a continuous sealing member in the annular depression, assemblying a lid on a top with the lid having an annular shoulder for engaging the sealing member and an annular flange which has a reversed bend and extends from the shoulder over the rim to provide an annular skirt which extends along the outer surface of the rim and terminates therebelow, forcing the lid into sealing engagement with the sealing member, and while holding the lid in the sealing engagement, crimping the annular skirt beneath the rim to hold the lid in the sealing engagement. The tools include tools to facilitate removing the portion of the can lid by forming a tear circle or weakening line in the top of the can, a crimping tool which seats the lid in sealing engagement and holds it there while crimping the skirt into engagement with the rim, and an air removing device which is used when canning or sealing a liquid within the container to remove air entrapped between the depression and the side wall of the can.

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