Richard H Wendell

US Patent:

49476866, Aug 14, 1990

Filed:

Mar 6, 1989

Appl. No.:

7/319656

Inventors:

Richard H. Wendell - Golden CO
Tracy J. Fowler - Denver CO

Assignee:

Adolph Coors Company - Golden CO

International Classification:

G01L 504

US Classification:

73159

Abstract:

An apparatus for use in determining the approximate web tension setting necessary for providing a predetermined web width in a machine, such as a web printer, which is used to process a continuous plastic web of the type which is subject to significant stretching and shrinking in response to relatively small web tension variations, comprising a first web restraining device for holdingly engaging a first end of a length of web material to be tested; a second web restraining device for holdingly engaging a second end of the length of web material to be tested; a force application device for applying a controlled amount of longitudinal stretching force to the length of web material to be tested; and a measuring device for measuring the width of the length of web material to be tested in a mid-region thereof during application of the longitudinal stretching force thereto. The apparatus may also be used for determining web graphics distortion.