|국가/구분||United States(US) Patent 등록|
|미국특허분류(USC)||220/571 ; 220/669 ; 220/612|
|발명자 / 주소|
|출원인 / 주소|
|인용정보||피인용 횟수 : 3 인용 특허 : 0|
An improved tank configuration wherein a die is employed to stamp a formed member is disclosed. The formed member may be used as either the top or bottom head for a portable liquid container, and is constructed so that all welding is eliminated in the corner and outlet portions of the container. A trim machine is employed to remove uneven edges from the formed part. By the present invention, a stamped configuration is provided in which a draw formed tank bottom is formed so as to allow complete and full drainage of the tank bottom. The top and bottom hea...
A portable tank for liquids, said tank having generally upwardly extending sides and a sloped bottom for complete drainage of liquid from the tank, wherein said sloped bottom comprises a one-piece construction formed from a generally flat, rectangular plate member, said bottom including a bottom wall portion and upwardly extending side wall portions which extend continuously around the periphery of said bottom wall portion, said bottom wall portion having an upward crease and a drain opening therein; a pair of downwardly sloping surfaces in said bottom w...