Books – strips – and leaves – Book – element thereof – or accessory therefor
Patent
1989-01-04
1991-04-30
Bell, Paul A.
Books, strips, and leaves
Book, element thereof, or accessory therefor
281 211, 281 29, 281 36, 412 6, 412 8, 412 19, 412 20, 412 36, 412901, B42D 104, B42D 302, B42C 1104, B42C 1300
Patent
active
050111876
ABSTRACT:
A binding system including a method for binding connected fan folded sheets in which a stack of the sheets is shingled to disclose narrow side surface portions along their spine edges, a layer of pressure sensitive adhesive on a highly flexible backing is adhered to those spine edges and narrow side surface portion after which the spine edges are moved into alignment at a right angle to the side surfaces of the sheets to cause the backing and layer of pressure sensitive adhesive to pleat around the spines of the sheets. The system also includes a novel cover structure which facilitates the method and includes cover plates, the pressure sensitive adhesive and the backing; and a novel device for holding and positioning the sheets during binding.
REFERENCES:
patent: 848680 (1907-04-01), Nelson
patent: 1765194 (1930-06-01), Von Auw
patent: 2455971 (1948-12-01), Bosch
patent: 3188114 (1965-06-01), O'Brien et al.
patent: 3518143 (1970-06-01), Fuhr
patent: 4518296 (1985-05-01), Pearson et al.
patent: 4673324 (1987-06-01), Hanson et al.
patent: 4762341 (1988-08-01), Rabuse
Bettenhausen Larry A.
Dwyer Stephen H.
Hanson Gary R.
Hunder Ray A.
Miles Alden R.
Bell Paul A.
Griswold Gary L.
Huebsch William L.
Kirn Walter N.
Minnesota Mining and Manufacturing Company
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