Apparatus and method for changing products on a continuous fibro

Details Apparatus and method for changing products on a continuous fibro Apparatus and method for changing products on a continuous fibro

1978-07-20

1980-05-13

Smith, Jerry

Boots, shoes, and leggings

65 2, 65160, 65DIG13, 364105, G06F 1546, C03B 3702

Patent

active

042031559

ABSTRACT:
An apparatus and method for setting and maintaining the setpoints of a plurality of product variables for a continuous fibrous glass product on a production line. A computer may be programmed to establish and maintain the setpoints in response to feedback signals representing the actual values of the product variables. In order to minimize lost time and waste material when a job change requires the generation of new setpoints, the computer is programmed to drive the present values of the setpoints to new values for the new product by incrementing each setpoint in sequence until the new values are attained. The initiation of the drive for each setpoint is based on the movement of the product down the line so as to minimize the amount of material sacrificed between the end of the old product and the beginning of the new product.

REFERENCES:
patent: 3478808 (1969-11-01), Adams
patent: 3539316 (1970-11-01), Trethewey
patent: 3652243 (1972-03-01), Jensen et al.
patent: 3779731 (1973-12-01), Pollock et al.
patent: 3821624 (1974-06-01), Iadipaolo et al.

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