Package and locking ring for dispensing wound material from a container

摘要

Package and locking ring structure for removal of wound filamentary material from a container including a locking ring attached to a hole in a wall of the container for removal of the wound filamentary material; the locking ring forming a loop of the end portion of the wound filamentary material; the wound filamentary material is withdrawn from the container through the hole by pulling the loop; the locking ring including a pull-off cover plate covering access to the end portion of the wound filamentary material and including a hole for enabling passage of the end portion of the wound filamentary material, and further including means for receiving and retaining the end portion of the wound filamentary material in the form of a loop against the pull-off cover plate.

主权项

1. An apparatus for permitting removal of wound filamentary material (10) from a container (14) having a wall through a payout tube (12) through which a first end (17) of the filamentary material extends, the apparatus comprising:
a ring structure (24) having a side wall, a flange (22) extending from said side wall formed at a first end of said ring structure and having a larger diameter than said side wall of said ring structure, a pull-off cover plate (30) formed with and breakably coupled at a second end of said ring structure, said cover plate defining a hole (28) receiving the first end of the filamentary material and a trap door (32) separate from said hole, said trap door receiving the first end (17) of the filamentary material and permitting the filamentary material extending therethrough to move through said trap door in a single direction only.