Disk Patents (Class 428/579)
  • Sealing device for securing or sealing bags or sacks of flexible material
    Patent number: 4242171
    Abstract: In a device for securing or sealing a twisted neck portion of a bag or sack of flexible material, a slit is provided in a housing and the latter carries a roll of adhesive tape. The twisted neck is pushed into the slit. A tape guide member, a tape cutter, an actuating arm and a spring loaded arm cooperate to effect the sealing or securing. The housing has a handle near the closed end of the slit.
    Type: Grant
    Filed: August 9, 1978
    Date of Patent: December 30, 1980
    Assignee: Heinz Hermann Weick
    Inventors: Johann Kauer, Heinz H. Weick
  • Hub for a disk storage medium
    Patent number: 4197359
    Abstract: A hub for a disk storage medium which is a unitary article of two dissimilar metals having a single plated coating. An example is an aluminum support member and a joined steel armature plate wherein the two metals have been joined, cleaned and plated on exposed surfaces, but without plating on joining surfaces.
    Type: Grant
    Filed: February 1, 1978
    Date of Patent: April 8, 1980
    Inventors: Edgar A. Rager, Barry B. Webber