(under subclass 43) Apparatus including structure within the member in the nature of a membrane which (a) serves to line all or some portion of the interior of the member, (b) is elastically or plastically deformable, and (c) is adapted to be inserted into or taken out of the member.
(1) Note. The membrane may be container-like in form.
(2) Note. The lining of this subclass is not related to, and should not be confused with, the art term, "liner", which frequently is applied to certain structure within the member such, for example, as that provided for in subclasses 66 through 80 below.
(3) Note. Included in this subclass is art directed to the subcombination of the membrane.
