.~.~.~ With natural rubber next to second layer of natural rubber
DEFINITION
Classification: 428/466
(under subclass 465) Product in which a natural rubber* containing layer is disposed between and adjacent both a metal containing layer and a natural rubber* containing layer.
(1) Note. The two rubber layers must be different in some physical or chemical aspect, e.g., degree of vulcanization, other ingredients including vulcanizers or accelerators; or a rubber containing layer may be treated on the surface.
(2) Note. A patent claiming a rubber layer, treated so as to form a surface of rubber hydro-chloride and which is laminated with a metal containing layer, will be placed here.
(3) Note. A patent to a laminate in which the two rubber layers are on the opposed faces of a metal layer will not be placed here. Such a patent will be placed in subclass 465.
SEE OR SEARCH THIS CLASS, SUBCLASS:
465, for a metal layer with two single rubber layers on each of opposed surfaces.
