Abstract: An apparatus for mounting a coreless roll that comprises a first and/or second component with a roll mounting surface comprising a radius that is substantially equal to the inner radius of the roll such that the roll mounting surface supports the coreless roll when the roll mounting surface is disposed within the cavity; and a tapered guiding surface coupled to a distal end of the roll mounting surface that transitions from a radius less than the radius of the roll mounting surface to a radius substantially equal to the radius of the roll mounting surface such that the tapered roll guiding surface guides a free end of the coreless roll formed in the cavity against the inner circumference of the roll when the apparatus is inserted into the cavity.

Abstract: A spring interior assembly method and apparatus produces spring interiors formed of a plurality of longitudinally connected columns of spring coils. Preferably, the spring interiors are formed as continuous wire bands each of alternating coils and bridging sections. Corresponding, coils of each column are laced together with transverse lacing wires as the columns are indexed longitudinally through a lacing station and are adjusted to correct lengths as the spring interiors are assembled. A measurement device or other form of sensor at a measurement station downstream of the lacing station in the assembly machine signals the length of a portion of the spring interior, preferably including a number of bridging sections. A processor in the assembly machine controller causes the last laced section to be longitudinally deformed to adjust its length in response to the measurement.