Containers specially constructed to be opened by cutting or piercing, or by tearing of frangible member or portion

BPERFORMING OPERATIONS TRANSPORTING B65Thin material handling B65DCONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS

B65D17/00Containers specially constructed to be opened by cutting or piercing, or by tearing of frangible member or portion

B65D17/02of curved cross-section B65D17/04of polygonal cross-section B65D17/06Integral, or permanently secured, end or side closures B65D17/08Closures secured by folding or rolling and pressing B65D17/10with interposed packing rings B65D17/12Closures secured by soldering, welding, or otherwise uniting opposed surfaces B65D17/14by cold or hot pressing of plastic sealing material B65D17/16Opening arrangements or devices incorporated in or attached to, containers B65D17/161for tearing along a line or from a point of weakness provided in an end wall B65D17/163for opening completely by means of a tearing tab B65D17/165for opening partially by means of a tearing tab B65D17/166and provided with attached means for reclosing or resealing B65D17/168for tearing along a line or from a point of weakness provided in the side wall B65D17/18Attached can-cutting devices B65D17/20Tearing-strips or -wires B65D17/22with tongues or tags for engagement by slotted keys B65D17/24Lines of weakness B65D17/26Attachments of slotted keys to preserving cans or tins B65D17/50Non-integral frangible members applied to, or inserted in, a preformed opening B65D17/501Flexible tape or foil-like material B65D17/502applied to the external part of the container wall only B65D17/503applied to the internal part of the container wall only B65D17/505applied to the external and internal part of the container wall B65D17/506Rigid or semi-rigid members B65D17/507moulded in situ B65D17/508and combined with a rigid or semi-rigid