Patent ID: 7537021
Filing Date: 2009-05-26
Classification: B64D,Y10T

Abstract:
1. An arrangement for storing and conveying a liquid comprising: a first liquid container having an inlet opening and an outlet opening; a pipe stub as a first drain stub communicating with and extending straight from said outlet opening of said liquid container along a first drain stub axis; a circular flange having plural connection openings therein, and plural pipe stubs as connection stubs respectively communicating with and extending straight from said plural connection openings along respective connection stub axes; and a drain line connected to said circular flange and communicating with all of said connection stubs through said connection openings; wherein said first drain stub is connected straight to a first one of said connection stubs so as to communicate therethrough with said drain line, and wherein said first drain stub axis of said first drain stub coincides with said connection stub axis of said first connection stub.