Cork: Being the story of the origin of cork, the processes employed in its manufacture & its various uses in the world to-day

by Armstrong Cork Company

Washers and Gaskets

A Glimpse of Another Department, Pittsburgh Factory

Not all of the bark, however, that is destined to be turned into corks follows the course that has just been described; for certain varieties a different process of manufacture, approximating in many respects the original Spanish method, is found more practicable.

Cork Balls

The crude bark, after being sorted, is cut into strips on the slicing machines, the width as before depending on the length of the stopper to be made. To remove the rest of the hard back, or outer crust, much of which still remains despite the scraping before shipment to America, the pieces are then passed beneath a revolving knife which shaves off the rough, uneven portion.