Patents Assigned to Tech-ni-Fold Ltd.
  • Patent number: 7775960
    Abstract: A drum for a creasing device, a resilient creasing ring and method are provided. The drum includes first and second drum parts that cooperate with one another to define a circumferential channel of the drum a base and two side wall for receiving a resilient creasing ring. At least one of the side walls includes recess for receiving a portion of the resilient creasing ring such that the resilient creasing ring cannot be removed radially from the channel. The creasing ring may be continuous or a split ring. A method of mounting the creasing ring includes mounting the resilient creasing ring on a first drum part and axially sliding a second drum part into cooperation with the first drum part to mount the creasing ring within a channel formed therebetween.
    Type: Grant
    Filed: October 14, 2009
    Date of Patent: August 17, 2010
    Assignee: Tech-ni-Fold Ltd
    Inventors: Graham Harris, Paul Graham Barrett
  • Patent number: 7686754
    Abstract: A drum for a creasing device, a resilient creasing ring and method are provided. The drum includes first and second drum parts that cooperate with one another to define a circumferential channel of the drum a base and two side wall for receiving a resilient creasing ring. At least one of the side walls includes recess for receiving a portion of the resilient creasing ring such that the resilient creasing ring cannot be removed radially from the channel. The creasing ring may be continuous or a split ring. A method of mounting the creasing ring includes mounting the resilient creasing ring on a first drum part and axially sliding a second drum part into cooperation with the first drum part to mount the creasing ring within a channel formed therebetween.
    Type: Grant
    Filed: May 24, 2007
    Date of Patent: March 30, 2010
    Assignee: Tech-ni-Fold Ltd
    Inventors: Graham Harris, Paul Graham Barrett
  • Publication number: 20100035741
    Abstract: A drum for a creasing device, a resilient creasing ring and method are provided. The drum includes first and second drum parts that cooperate with one another to define a circumferential channel of the drum a base and two side wall for receiving a resilient creasing ring. At least one of the side walls includes recess for receiving a portion of the resilient creasing ring such that the resilient creasing ring cannot be removed radially from the channel. The creasing ring may be continuous or a split ring. A method of mounting the creasing ring includes mounting the resilient creasing ring on a first drum part and axially sliding a second drum part into cooperation with the first drum part to mount the creasing ring within a channel formed therebetween.
    Type: Application
    Filed: October 14, 2009
    Publication date: February 11, 2010
    Applicant: Tech-ni-Fold, Ltd.
    Inventors: Graham Harris, Paul Graham Barrett
  • Patent number: 7563220
    Abstract: A drum for a creasing device, a resilient creasing ring and method are provided. The drum includes first and second drum parts that cooperate with one another to define a circumferential channel of the drum a base and two side wall for receiving a resilient creasing ring. At least one of the side walls includes recess for receiving a portion of the resilient creasing ring such that the resilient creasing ring cannot be removed radially from the channel. The creasing ring may be continuous or a split ring.
    Type: Grant
    Filed: December 12, 2007
    Date of Patent: July 21, 2009
    Assignee: Tech-ni-Fold Ltd.
    Inventors: Graham Harris, Paul Graham Barrett
  • Publication number: 20080090712
    Abstract: A drum for a creasing device, a resilient creasing ring and method are provided. The drum includes first and second drum parts that cooperate with one another to define a circumferential channel of the drum a base and two side wall for receiving a resilient creasing ring. At least one of the side walls includes recess for receiving a portion of the resilient creasing ring such that the resilient creasing ring cannot be removed radially from the channel. The creasing ring may be continuous or a split ring.
    Type: Application
    Filed: December 12, 2007
    Publication date: April 17, 2008
    Applicant: Tech-ni-Fold Ltd.
    Inventors: Graham Harris, Paul Barrett
  • Publication number: 20070243988
    Abstract: A drum for a creasing device, a resilient creasing ring and method are provided. The drum includes first and second drum parts that cooperate with one another to define a circumferential channel of the drum a base and two side wall for receiving a resilient creasing ring. At least one of the side walls includes recess for receiving a portion of the resilient creasing ring such that the resilient creasing ring cannot be removed radially from the channel. The creasing ring may be continuous or a split ring. A method of mounting the creasing ring includes mounting the resilient creasing ring on a first drum part and axially sliding a second drum part into cooperation with the first drum part to mount the creasing ring within a channel formed therebetween.
    Type: Application
    Filed: May 24, 2007
    Publication date: October 18, 2007
    Applicant: Tech-ni-Fold Ltd.
    Inventors: Graham Harris, Paul Barrett