Thermoplastic can

Receptacles – End wall structure – Removable bottom wall

Reexamination Certificate

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Reexamination Certificate

active

07419068

ABSTRACT:
A thermoplastic can (1) comprising a thermoplastic body (2) having a disc like top (3) moulded as one with a tubular element (5) defining the sides of the body (2) and extending downwardly from the peripheral portions of the top (3); an openable portion associated with the top to facilitate use of the can contents by an end user, a thermoplastic base member (7) having an externally directed protrusion (8) engaged in a relatively thin walled recess (9) in the radially internally facing lower peripheral portion of the body thereby effecting a permanent seal at the base of the container after filling thereof; the resistance to permanent inward deformation of the externally directed protrusion exceeding the resistance to permanent outward deformation of the thin walled recess; the wall thickness of the lower peripheral portion of the body below the thin walled recess exceeding that of the thin walled recess.

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