The cushion tire consists of a casing enclosing a core. Where the core is integral with the casing the two must be distinct by reason of differing materials or arrangement.
(1) Note. For integral cushion tires with no distinct core, see this class, subclass 323.
SEE OR SEARCH CLASS
156, Adhesive Bonding and Miscellaneous Chemical Manufacture,
appropriate subclasses for laminating in general, and see especially
112, and 404 for the lines between the various classes with regard to processes and apparatus for filling tires.
