Patents Assigned to Robud Co.
  • Locking means
    Patent number: 5078535
    Abstract: Locking means for a cutting die blanket including male and female locking elements that may be quickly engaged with minimal effort. A series of shoulders, located in the female section, are provided to engage a ledge on the male section. The locking means is closed by forcing the male section into the female section through a series of steps wherein the ledge and shoulders cooperate to effect engagement.
    Type: Grant
    Filed: February 26, 1990
    Date of Patent: January 7, 1992
    Assignee: Robud Co.
    Inventor: Alan D. Kirkpatrick
  • Anvil structure for rotary die cutting apparatus
    Patent number: 4073208
    Abstract: Anvil structure for use in rotary die cutting apparatus is disclosed to include a shaft mounted anvil head, a slip ring slidably mounted on the anvil head and a die blanket releasably secured to the slip ring.
    Type: Grant
    Filed: March 10, 1977
    Date of Patent: February 14, 1978
    Assignee: Robud Co.
    Inventor: Alan D. Kirkpatrick
  • Lock for rotary die cutting blanket
    Patent number: 4073207
    Abstract: Locking means for a cutting die blanket is disclosed to include male and female locking elements which, when engaged, generate a state of compression in the blanket coating material such as to achieve uniform resistance to penetration throughout the surface of the blanket.
    Type: Grant
    Filed: December 22, 1976
    Date of Patent: February 14, 1978
    Assignee: Robud Co.
    Inventor: Alan D. Kirkpatrick