US PATENT SUBCLASS 53 / 409
.~ Annular package
Current as of: June, 1999
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DEFINITION
Classification: 53/409
Annular package:
(under subclass 396) Methods for making a package in which the contents to which the cover is applied has a through opening into or through which the cover material is inserted, or for filling a receptacle which has a through opening which forms a contents-containing space of annular shape.
SEE OR SEARCH THIS CLASS, SUBCLASS:
204, for apparatus for applying a cover to contents having a through opening into or through which the cover is inserted.
SEE OR SEARCH CLASS
100, Presses,
12, for apparatus, not otherwise provided for, for placing a binder which passes through the opening in ring-like material.
242, Winding, Tensioning, or Guiding,
434+, for winding elongated material through a central opening of a ring-shaped core.
