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US 2013/0040794 A1Published application
Notchless Core
OwnerRichard Steven Paolettiinventor
Life of this patent
Estimating the term…
Abstract
A flange having a post extending therefrom and a blade extending from the post to the flange. A core of a spool is designed to be positioned on the post for the blade to penetrate the core inside diameter and to provide torque to rotate the spool.
Claims20
Apparatus comprising:
- a flange having a post extending orthogonally therefrom;
- and
- a blade extending from the post to the flange.
A spool end comprising:
- a post for receiving a roll;
- the post including a rib configured to penetrate an inside diameter surface of the roll when the roll is received and to remain in a penetrated state so long as the roll remains on the post.
An apparatus comprising:
- a post for receiving one end of a hollow core, the hollow core having a sheet of material wound thereon;
- a blade disposed on the post for penetrating, and remaining, at an end of the hollow core when the hollow core is positioned over the post.
Dependencies are inferred from the claim text.