| 摘要 |
A molded drum having a first end with an access opening defined thereon and a second end generally opposed the first end, and a peripheral wall extending between the first end and second end, the first end, second end, and peripheral wall generally defining a drum interior. The drum further having a chime extending from the first end of the drum, the chime including a base section having a chime transition portion and an upper section extending from the base section, the base section having a base thickness greater than a thickness of the upper section, such that a bending region is defined proximate an intersection of the base and upper sections. The chime having a bending length that is defined between a top edge of the chime and the bending region, the bending length being selected such that the bending length is less than a distance between the chime and the access opening.
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