Patents Assigned to Tech-ni-Fold Ltd.
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Patent number: 7775960Abstract: 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: GrantFiled: October 14, 2009Date of Patent: August 17, 2010Assignee: Tech-ni-Fold LtdInventors: Graham Harris, Paul Graham Barrett
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Patent number: 7686754Abstract: 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: GrantFiled: May 24, 2007Date of Patent: March 30, 2010Assignee: Tech-ni-Fold LtdInventors: Graham Harris, Paul Graham Barrett
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Publication number: 20100035741Abstract: 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: ApplicationFiled: October 14, 2009Publication date: February 11, 2010Applicant: Tech-ni-Fold, Ltd.Inventors: Graham Harris, Paul Graham Barrett
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Patent number: 7563220Abstract: 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: GrantFiled: December 12, 2007Date of Patent: July 21, 2009Assignee: Tech-ni-Fold Ltd.Inventors: Graham Harris, Paul Graham Barrett
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Publication number: 20080090712Abstract: 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: ApplicationFiled: December 12, 2007Publication date: April 17, 2008Applicant: Tech-ni-Fold Ltd.Inventors: Graham Harris, Paul Barrett
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Publication number: 20070243988Abstract: 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: ApplicationFiled: May 24, 2007Publication date: October 18, 2007Applicant: Tech-ni-Fold Ltd.Inventors: Graham Harris, Paul Barrett