(under subclass 275.1) Subject matter which include (a) a connector joining the combustible substance of the indefinite length of fuse material to another indefinite length of fuse material by means to permit a one-way transfer of the detonation or burning proceeding along one indefinite length to the other indefinite length, or (b) the joining of the combustible substance of the indefinite length to a second combustible length of fuse material to permit only the passage of the burning or detonation one-way.
