초록

A plastic paint bucket has a double-tight metal sealing ring which is crimped to the top rim of the bucket.

대표청구항 ▼

A container, comprising a plastic bucket having a closed bottom and an open top, said bucket including a sidewall, having a generally circular lateral cross-sectional shape, and a top rim formed as an annular upwardly opening channel having an inner circumferential wall and an outer circumferential

A container, comprising a plastic bucket having a closed bottom and an open top, said bucket including a sidewall, having a generally circular lateral cross-sectional shape, and a top rim formed as an annular upwardly opening channel having an inner circumferential wall and an outer circumferential wall connected at their lower ends to each other and said sidewall; and a double-tight metal sealing ring disposed in said channel and bridging said inner and outer circumferential walls thereof, an inner circumferential end of said sealing ring being hidden by said inner circumferential wall of said channel.