Method of and apparatus for measuring the tension of a...

Details Method of and apparatus for measuring the tension of a... Method of and apparatus for measuring the tension of a...

2008-12-09

2010-11-23

Noori, Max (Department: 2855)

Measuring and testing

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

By loading of specimen

C073S159000, C073S856000

Reexamination Certificate

active

07836778

ABSTRACT:
The inventions relates to an apparatus, in particular for a screen-printing machine, for measuring tension in a printing screen in a frame, characterized in that a holder for the frame (1) has holder bars (3a,3b,3c,3d) each formed of a plurality of sections (3a1, 3a2, . . . , or3b1, 3b.2, . . . , or3c1, 3c2, . . . , 3d1, 3d2, . . . , ) each provided with a respective sensor (6) for measuring tension. The invention furthermore relates to a method, in particular for a screen-printing machine, for measuring tension in a screen in a screen frame, characterized in that a screen (2a) mounted in a frame (1) is mounted in a holder (3) having holder bars (3a,3b,3c,3d) each formed by a plurality of sections (3a1, 3a2, . . . , or3b1, 3b.2, . . . , or3c1, 3c2, . . . , 3d1, 3d2, . . . ) each provided with a respective sensor (6) that measure forces between the respective section (3a1, 3a2, . . . , or3b1, 3b.2, . . . , or3c1, 3c2, . . . , 3d1, 3d2, . . . ) and the frame (1).

REFERENCES:
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patent: 5609171 (1997-03-01), Kuo
patent: 6467357 (2002-10-01), Pe
patent: 6662725 (2003-12-01), Koizumi et al.
patent: 7621187 (2009-11-01), Chalmers
patent: 2003/0230140 (2003-12-01), Eccardt et al.

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