B - Operations – Transporting – 42 – F
Patent
B - Operations, Transporting
42
F
B42F 13/22 (2006.01) B42F 13/00 (2006.01) B29C 65/08 (2006.01)
Patent
CA 2265365
A document binder is formed with front and back covers hinged together in articulated fashion with a spine located therebetween. An overlay is provided across the outer surface of at least the front cover and the spine and is secured by fusion to inner and outer, plastic cover sheets that encapsulate a flat, stiff, front cover core, spine, and back cover core therebetween. A front cover title sheet pocket is defined between the overlay and the outer, plastic cover sheet. The title sheet pocket is of a narrow enough width to readily accommodate title sheets printed on paper of standard width, such as eight and a half inches. The fabrication technique employed allows a title sheet pocket to be created for the front cover of the document binder which snugly confines the title sheet and prevents it from shifting laterally as occurs in conventional devices. The creation of title sheet pockets with this configuration is possible according to the method of the invention by first fusing together the overlay to the outer plastic cover sheet along a band of attachment near the demarcation between the front cover and the spine, and then fusing the overlay, outer cover sheet, and inner cover sheet together so as to encapsulate the nonfusible, flat, stiff core elements between the two cover sheets. An inside pocket sheet may also be fused to the inner cover sheet during the same step of fusion so as to form pockets on the insides of the front and back covers.
Fetherstonhaugh & Co.
Ong Bon S.
LandOfFree
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