Adhesive bonding and miscellaneous chemical manufacture – Methods – Surface bonding and/or assembly therefor
Patent
1995-11-06
1996-11-12
Engel, James
Adhesive bonding and miscellaneous chemical manufacture
Methods
Surface bonding and/or assembly therefor
156187, 156192, 156446, 156450, B32B 3100
Patent
active
055736165
ABSTRACT:
A double-sided differentially adhesive adhesive tape is applied to the winding core of a web processing machine, e.g. for producing light-sensitive photographic film, by a dispensing unit carried on a linearly movable support. In the unit, first and second tape applicator rollers are mounted for rotation on the support for engagement upon movement of the support to operative position with the core periphery at peripherally spaced apart points thereon, Tape extends from a supply roll to the first and then to the second roller for application of a winding thereof to the core upon rotation of the latter. The second roller is mounted on the support for limited independent movement after application of the tape winding to a position separated from the core and from the tape, such movement being in a direction generally tangential of the core periphery to avoid lifting the tape from the core. A third roller is then brought from an inoperative position into contact with the tape downstream of the second roller and the first roller is swung away from the core to lift a stretch of tape upstream of the third roller clear of the core and into contact with the separated second roller. A knife severs the lifted stretch of tape between the third and second rollers, the severed end remained adhered to the second roller for repetition of the cycle.
REFERENCES:
patent: 3901757 (1975-08-01), Eglinton
patent: 3943030 (1976-03-01), Olsen et al.
patent: 4371410 (1983-02-01), Stevens
patent: 5059268 (1991-10-01), Satoh et al.
Agfa-Gevaert N. V.
Daniel William J.
Engel James
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