U.S. Patent Specifications

Abstract

An accumulator bladder adapted to be positioned within and secured at one end to an accumulator shell and comprising a moulded bag having two portions each made from a material of different compound from the other, one of the portions being formed and being made of a relatively stiff compound in order to follow the contour of said shell and the other portion being made of a relatively flexible compound in order to telescope into said stiff portion.

Citation

(1946), "U.S. Patent Specifications", Aircraft Engineering and Aerospace Technology, Vol. 18 No. 5, pp. 179-180. https://doi.org/10.1108/eb031375