Tape dispenser including a backcard with projecting hub parking portions
AssigneeMinnesota Mining and Manufacturing Company
InventorsCharles A. Mathna, Susan M. Butzer
Life of this patent
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Abstract
A tape dispenser comprising a housing including a hub, a roll of tape journaled on the hub and a length of low tack pressure sensitive adhesive coated tape wound around the core. A paper backcard disposed around one end of the hub includes a plurality of generally triangular projecting portions projecting between the hub and the core to provide a friction brake therebetween restricting rotation of said hub to an extent that will prevent unwanted rotation of the hub and uncoiling of the tape when it is withdrawn from the dispenser.
Claims4
A tape dispenser comprising a housing including a hub having a cylindrical peripheral surface, a roll of tape comprising a core having a through opening defined by a cylindrical inner surface journaled on said hub and a length of pressure sensitive adhesive coated tape wound around said core with said adhesive affording low adhesion between adjacent winds of the tape so that the tape can be easily pulled from the roll;
- and a backcard having a through opening and disposed around one end of said hub with said hub in said opening and a main portion of the backcard adjacent one side surface of said roll of tape, said backcard further comprising a plurality of projecting portions having base edges joined to said main portion and bent at about a right angle along said base edges with said projecting portions projecting between said hub and said core to provide a friction brake therebetween that will restrict rotation of said hub to an extent that will prevent unwanted rotation of the hub and uncoiling of the tape when it is withdrawn from the dispenser.
Dependencies are inferred from the claim text.