Thermoplastic can

摘要

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.