Adhesive bonding and miscellaneous chemical manufacture – Surface bonding means and/or assembly means therefor – Automatic and/or material-triggered control
Patent
1977-10-31
1980-12-02
Wityshyn, Michael G.
Adhesive bonding and miscellaneous chemical manufacture
Surface bonding means and/or assembly means therefor
Automatic and/or material-triggered control
83209, 83371, 156361, 156378, 156510, 156543, B26D 534, B32B 3118
Patent
active
042369550
ABSTRACT:
There is provided a combination of a web-treating apparatus adapted to feed web at a steady rate into a web-handling apparatus, the latter performing an operation on the web, such as stamping. In the latter apparatus, the web is entrained over a series of rollers which include parallelogram -linked rollers set in such a way that web can be continuously and steadily fed into the web-handling apparatus and out of it, while at the same time the web can be halted intermittently at a portion of the apparatus at which the operation is to be carried out. As the web stops and starts at the location where the operation is carried out, the parallelogram-linked rollers move back and forth in an arc. In order to match the averaged speed of the web past the location where the operation is taking place to the infeed of web to the web-handling apparatus, a potentiometer is applied to the parallelogram-linkage, such that if the arc through which the parallelogram is moving progressively shifts in one direction or the other beyond a given pair of limits, the potentiometer setting will be changed. The potentiometer is wired into the control means which governs the overall or averaged speed of the web past the location where the operation is being performed.
REFERENCES:
patent: 2304787 (1942-12-01), Avery
patent: 2958365 (1960-11-01), Molins et al.
patent: 3577293 (1971-05-01), Ritterhoff
patent: 4017349 (1977-04-01), De Priest et al.
patent: 4019935 (1977-04-01), Harvey
patent: 4100012 (1978-07-01), Miehofer
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