Patents Assigned to N. F. String & Son, Inc.
  • Manual coin wrapper crimper
    Patent number: 6374573
    Abstract: A crimper for forming a finished crimped end on a wrapper for coins or other articles has a cylindrical opening for receiving a projecting end of the wrapper into the body. A crimping structure located in the opening includes a first slide surface for sliding the end of the wrapper in a first linear direction to a second of slide surface for sliding the end of the wrapper in a second, transverse linear direction. By sliding the end of the wrapper in the two directions, the end of the wrapper is forced to roll and form a finished crimped end.
    Type: Grant
    Filed: June 16, 2000
    Date of Patent: April 23, 2002
    Assignee: N. F. String & Son, Inc.
    Inventor: Gregory F. String