Apparatus for automatic determination of the tensile...

Details Apparatus for automatic determination of the tensile... Apparatus for automatic determination of the tensile...

G - Physics

01

N

73/89

G01N 3/08 (2006.01)

Patent

CA 1211298

Abstract The present-day devices for automatic determination of the tensile strength properties of a sheet of paper are complicated, inconvenient to operate and incapable of producing immediate test results. Accord- ing to the invention, the apparatus comprises two operating elements (6, 7) between which a sheet of paper of desired length is adapted to be introduced, the former operating element (6) comprising a fixing block (1) and a pulling block (2) and the latter operating element (7) comprising a fixing head (3) and a pulling head (4), said fixing head being com- pressible against the fixing block and said pulling head being compressible against the pulling block for fastening a sheet of paper. The other operating element is further fitted with a cutter means (8) which is adapted cut off a sheet of paper a sample of standard width as the sheet is positioned against the fixing block. The apparatus is further provided with a measuring device (5) for determining the displace- ment of said pulling block and for measuring the tensile strength properties of paper.

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