Tank lid
First Claim
1. A tank lid suitable for sealing a tank around a lip which defines an opening in a neck of the tank, comprisinga rigid imperforate membrane support, a membrane of dimension exceeding the dimension of the opening, means sealably securing the periphery of the membrane to the membrane support, an aperture in the membrane opening to a space between the membrane and said support,and brackets arranged to be outstanding from the neck to carry the membrane support when the lid is in a normal (closed) position.
1 Assignment
0 Petitions
Accused Products
Abstract
A tank lid has a membrane of sufficient dimension to overlap the peripheral lip of a tank neck, an aperture in the membrane which opens to a space beneath an imperforate membrane support supporting the periphery of the membrane, and brackets arranged to be secured to the tank neck to be outstanding therefrom, and in use, to carry the membrane support when the lid is in a (normal) closed position.
7 Citations
7 Claims
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1. A tank lid suitable for sealing a tank around a lip which defines an opening in a neck of the tank, comprising
a rigid imperforate membrane support, a membrane of dimension exceeding the dimension of the opening, means sealably securing the periphery of the membrane to the membrane support, an aperture in the membrane opening to a space between the membrane and said support, and brackets arranged to be outstanding from the neck to carry the membrane support when the lid is in a normal (closed) position.
Specification