Adhesive bonding and miscellaneous chemical manufacture – Methods – Surface bonding and/or assembly therefor
Patent
1979-12-28
1981-09-22
Dawson, Robert A.
Adhesive bonding and miscellaneous chemical manufacture
Methods
Surface bonding and/or assembly therefor
83153, 83154, 101224, 101226, 156197, 156269, 156277, 156291, 156324, 156384, 156517, 156541, 156548, 156558, 4272071, 427208, 4272082, 427286, 428116, 428195, B32B 3100, B32B 312
Patent
active
042908370
ABSTRACT:
A method of forming a stack of unexpanded honeycomb core sheets from a continous web of which alternate sheets in the stack have linearly spaced and transversely extending lines of adhesive on one side spaced equally between similar adhesive lines on the others of the sheets when evenly stacked, such method including applying linearly spaced and transversely extending lines of adhesive on one face of the web, cutting the web parallel to the adhesive lines with one cut being made along the linear center of a line of adhesive and the next cut being made along the linear center of the space between the adhesive lines, and then stacking the cut sheets in even edge alignment resulting in the lines of adhesive being linearly staggered on one sheet with respect to those on the adjacent sheet.
The preferred apparatus for performing the method includes a gravure roll having an odd number of transversely extending gravure lines equally spaced around its circumference, a cutting roll downstream from the gravure roll having a cutting circumference equal to the length of the sheets to be cut with such circumference also being equal to a given number plus one-half the circumference of the gravure roll, the gravure roll and cutting roll being linked together to maintain the cut-to-adhesive line relationship, and a vacuum pulling apparatus between the gravure roll and cutting roll to keep the web taut so that cutting occurs in the desired location.
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patent: 3713954 (1973-01-01), Clark et al.
patent: 3899946 (1975-08-01), Niepmann
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