|국가/구분||United States(US) Patent 등록|
|미국특허분류(USC)||222/564; 222/377; 220/DIG.006|
|발명자 / 주소|
|출원인 / 주소|
|대리인 / 주소||
|인용정보||피인용 횟수 : 14 인용 특허 : 0|
A bottom configuration for large liquid storage bins and drums which facilitates bottom draining and full recovery of contents including tributory passages leading to a central sump and a deeper clearing passage leading from the sump to a drain outlet.
1. In a large bulky container for liquid storage and shipping having a square cross-section with a bottom wall, side walls and a top closure, that improvement which comprises a relatively flat bottom wall having a depressed sump centrally of the bottom at an intersection of straight lines connecting opposite corners of the container, depressed channels on each of said intersecting lines extending from adjacent each corner to the central sump, three of said channels having bottom walls increasing in depth from the corner to the sump, the fourth channel in...