Adhesive bonding and miscellaneous chemical manufacture – Methods – Surface bonding and/or assembly therefor
Patent
1994-07-12
1995-09-05
Aftergut, Jeff H.
Adhesive bonding and miscellaneous chemical manufacture
Methods
Surface bonding and/or assembly therefor
156169, 156173, 156175, 156359, 156425, 156428, 156429, 156441, 156433, 156523, 156573, B65H 8100
Patent
active
054475864
ABSTRACT:
A control architecture involves two control loops, one for controlling heat input to a moving composite structure and the other controlling the speed of the structure to control quality of the product being formed. Since velocity and heat input affect the temperature of the composite there is cross coupling between the control loops so that either or both can be used to control the temperature. Preferably the invention uses the velocity or speed of the composite as the primary control, i.e., the controller automatically seeks the proper laydown velocity for the current heat input. If the energy source is not providing sufficient heat, the process slows down until the proper temperature is reached. This ensures that the composite material passing through the process is always at the proper temperature.
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patent: 5039368 (1991-08-01), Gunyuzlu
patent: 5078592 (1992-01-01), Grimshaw et al.
patent: 5160568 (1992-11-01), Gruber
patent: 5266139 (1993-11-01), Yokota et al.
Aftergut Jeff H.
E. I. Du Pont de Nemours and Company
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