Book covers, creased and finished on your folding machine

A softcover book lives or dies at its cover. It needs a spine crease and hinge creases, parallel, exactly placed, and clean through the printed colour, so the cover wraps square and the book opens without the coating cracking at the joint.

Try that with the steel scores a folder comes with and you get wandering positions and cracked colour, which is why so much cover work leaves the building: creased on a platen at a trade house, or hand-fed through a creasing machine one sheet at a time while the folder sits idle.

This is what changes, on the machine you already run:

The sprung steel scoring ring supplied with folding machines — Even a rack of steel scores could not do this job: they cannot sit close enough together for a spine and its hinges, and every line they made would crack the colour anyway. The Spine-Hinge Creaser presses up to four crack-free creases in one pass, as close together as the job needs.

Spine-Hinge Creaser on the folder shafts pressing paired parallel creases into blue stock — Even a rack of steel scores could not do this job: they cannot sit close enough together for a spine and its hinges, and every line they made would crack the colour anyway. The Spine-Hinge Creaser presses up to four crack-free creases in one pass, as close together as the job needs.

The Spine-Hinge Creaser mounts on the shafts your folder already has, or on a standalone creaser. One pass puts down one to four creases, on the same side of the sheet or opposite sides, with the spine width and hinge positions set per job. The split creasing ribs lock on with a seamless join, so changing a set-up does not mean stripping shafts.

Covers come off the machine finished: spine and hinges in register with the print, no cracking along the colour, ready for the binder. The platen bill stops, and the folder earns its keep on cover work it used to watch leave the building.

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