|국가/구분||United States(US) Patent 등록|
|미국특허분류(USC)||052/019; 220/004.03; 220/004.26; 404/025|
|발명자 / 주소|
|출원인 / 주소|
|대리인 / 주소||
|인용정보||피인용 횟수 : 7 인용 특허 : 61|
An adapter for a tank, having a bottom with one or more adhesive-receiving channels formed therein, an inner wall, structure for supporting a riser component on the adapter, and wall reinforcement structure. The adapter is particularly suited to providing pre-cast concrete tank lids with structural, interengaging support for a column of stackable riser components to form a passageway to facilitate access to the tank from a higher elevation.
I claim: 1. An adapter for use on a lid of a tank of an on-site waste treatment or drainage system, comprising: a bottom having an upper surface and a lower surface and defining a central opening, the lower surface generally defining a first plane and adapted to abut a planar surface on the lid of the tank, the upper surface generally defining a second plane; one or more upwardly extending, downwardly open channels formed in the bottom and operable to receive adhesive, the channels extending into the bottom from the first plane and terminating between t...