Adhesive bonding and miscellaneous chemical manufacture – Methods – Surface bonding and/or assembly therefor
Patent
1998-07-20
2000-04-18
Lorin, Francis J.
Adhesive bonding and miscellaneous chemical manufacture
Methods
Surface bonding and/or assembly therefor
156286, B32B 3100
Patent
active
060510951
ABSTRACT:
A flying web splice apparatus and method for splicing a moving web of material to another web of material without tape or adhesives being used at the splice. Two splicer assemblies are provided which each have a rotatable parent roll feeding web material into the splicer apparatus. Each splicer assembly has a series of substantially parallel vacuum belts and a series of vacuum boxes therein. The vacuum boxes for each splicer assembly are evacuated by a vacuum blower, which creates a vacuum causing a suction through holes within a portion of the vacuum belts in order to hold web material to the vacuum belts. The series of belts for each splicer assembly are preferably rotatable about a top pivot to bring a bottom portion of each series of belts together. Preferably, at the bottom portions of each series of belts is located a pressure bonding mechanism, such as a series of ply-bond wheels, which bond the webs of material together when the bottom portions of the series of belts are brought together (preferably via one or more actuators). A stationary web from a parent roll is first placed over holes in one of the vacuum belts, which is then driven by a motor to drag the vacuum belt and web along part of its belt path and toward the pressure bonding mechanism. By the time the initially-stationary web reaches the actuated pressure bonding mechanism, the initially-stationary web is at the speed of the initially-moving web and can be precisely spliced thereto.
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C.G. Bretting Manufacturing Company, Inc.
Lorin Francis J.
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