Method of adjusting a given pretension in threads on tensile str

Details Method of adjusting a given pretension in threads on tensile str Method of adjusting a given pretension in threads on tensile str

1980-07-01

1982-07-13

Ciarlante, Anthony V.

Measuring and testing

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

By loading of specimen

G01N 308

Patent

active

043388248

ABSTRACT:
A method of adjusting a given pretension in threads on tensile strength testing apparatus. A force measuring device is used as an adjusting member for the pretension, from where the tensile load increases and the elongation thereby appearing is measured. The loose thread inserted into the thread clamp is either pretensioned by means of a movable testing clamp, or the thread is stretched by a transport device until the force measuring device indicates the given pretension value.

REFERENCES:
patent: 464766 (1891-12-01), Wendler
patent: 2033623 (1936-03-01), Freeland
patent: 2621512 (1952-12-01), Guimbretiere et al.
patent: 2875609 (1959-03-01), Seney
patent: 3379054 (1968-04-01), Folweiler

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