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.
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