Available with a glued-in liner or with liner retention, the closures are constructed of continuous thread, two-piece polypropylene. Sizes range from 20 mm to 45 mm, all with a 400 finish.
Kerr Group Inc: Child-resistant closures
Kerr (Lancaster, PA) released a four-page brochure on the new CR-III® child-resistant, senior-friendly closures. The closures, with 12 robust lugs on outer caps and matching ratchet teeth on inner caps, orient within 30° of rotation.
Sep 30th, 1997