Adhesive bonding and miscellaneous chemical manufacture – Methods – Surface bonding and/or assembly therefor
Patent
1993-03-25
1994-06-14
Simmons, David A.
Adhesive bonding and miscellaneous chemical manufacture
Methods
Surface bonding and/or assembly therefor
156157, 156249, 1563043, 156505, 242 59, B31F 506, B32B 3116
Patent
active
053206940
ABSTRACT:
A number of short strips of photographic material are connected to one long roll. Individual short strips are cut along their ends, roughly perpendicular to their longitudinal edge so that the edges of the individual strips are roughly perpendicular to the longitudinal edge of the strip. In order to connect the individual strips to form a roll, a double T-joint with essentially the same bending strength as the roll material to be connected is inserted as a connecting piece between ends of the short strips. Shanks of the double-T-joint that are parallel to each other are secured in the area of the longitudinal edges of strips. The connecting bar of the double-T-joint that attaches the two shanks of the double-T-joint is placed against and parallel to the edges of the strips.
REFERENCES:
patent: 3434898 (1969-03-01), Freedman
patent: 3533891 (1970-10-01), Puyear
patent: 3647599 (1972-03-01), Gardner
patent: 4404275 (1983-09-01), Hutchinson
patent: 4468268 (1984-08-01), Ralph
patent: 5078828 (1992-01-01), Marglin
Gretag Imaging AG
Osele Mark A.
Simmons David A.
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