Measuring and testing – Specimen stress or strain – or testing by stress or strain... – By loading of specimen
Patent
1988-04-28
1989-04-04
Myracle, Jerry W.
Measuring and testing
Specimen stress or strain, or testing by stress or strain...
By loading of specimen
G01N 308
Patent
active
048174386
ABSTRACT:
A water applicator for securement to a paper tensile strength testing machine may be secured to the testing machine adjacent a dry sheet of paper held under tension by the machine in a vertical plane. The water applicator includes pneumatic actuators for moving a pair of sponges on opposite sides of the sheet of paper into and out of engagement with the sheet of paper. When the sponges are out of engagement with the sheet of paper, a spray nozzle is provided for spraying a predetermined amount of water onto at least one of the sponges so that upon movement of the sponges into pressure engagement with the sheet of paper, a predetermined amount of water will by applied to the paper for subsequent wet paper tensile strength testing.
REFERENCES:
patent: 2893241 (1959-07-01), Fisher et al.
patent: 3741005 (1973-06-01), Dauth et al.
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