Apparatus for automatic determination of the tensile strength pr

Details Apparatus for automatic determination of the tensile strength pr Apparatus for automatic determination of the tensile strength pr

1983-12-13

1985-11-05

Ciarlante, Anthony V.

Measuring and testing

Specimen stress or strain, or testing by stress or strain...

By loading of specimen

73159, G01N 308

Patent

active

045506132

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. According 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 compressible 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 displacement of said pulling block and for measuring the tensile strength properties of paper.

REFERENCES:
patent: 662327 (1900-11-01), Vermilye
patent: 3537301 (1970-11-01), Hasenwinkle
patent: 3838596 (1974-10-01), Neuenschwander

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