|국가/구분||United States(US) Patent 등록|
|미국특허분류(USC)||220/66 ; 220/72 ; 220/5R ; 220/DIG ; 1|
|발명자 / 주소|
|출원인 / 주소|
|인용정보||피인용 횟수 : 6 인용 특허 : 0|
An all plastic drum is provided comprising an elongated hollow body member having a circular top end, a circular bottom end, a plurality of flat sides extending between said top and bottom ends, and surfaces blending said flat sides and said top and bottom ends. A bottom end closure extends across the drum bottom end and a top closure extends across the drum top end. The top closure includes at least one recess extending diametrically across the drum. The recess defines a channel which passes beneath a bridge-like structure formed integral with the top c...
An industrial drum molded of resinous material comprising: an elongated hollow body member, said member having a circular top end, a circular bottom end, four flat sides spaced approximately 90°apart formed integrally with and disposed about said body member extending between said top and bottom ends, rounded surfaces blending adjacent sides with each other, surfaces blending said flat sides and said drum bottom end, the blending surfaces are arcuate with the diameter of the curves of the transverse sections progressing from the ends to the drum center p...