Measuring and testing – Specimen stress or strain – or testing by stress or strain... – Specimen clamp – holder – or support
Reexamination Certificate
2005-04-19
2005-04-19
Noon, Max (Department: 2855)
Measuring and testing
Specimen stress or strain, or testing by stress or strain...
Specimen clamp, holder, or support
Reexamination Certificate
active
06880409
ABSTRACT:
A shear test apparatus for testing a shear characteristic of a curved panel is provided. The shear test apparatus includes a frame made up of first and second curved side bearing members for bearing a pair of curved sides of the curved panel and first and second flat side bearing members for bearing a pair of flat sides of the curved panel. The second curved side bearing member has an arm extending in a direction perpendicular to the face of the curved panel. The arm has an external force loading point in a position coincident with the center of shear of the curved panel, to prevent twisting of the curved panel.
REFERENCES:
patent: 2256306 (1941-09-01), Ziegler
patent: 5140861 (1992-08-01), Gleason et al.
patent: 6253626 (2001-07-01), Shoberg et al.
patent: 6698296 (2004-03-01), Heike et al.
patent: 6716097 (2004-04-01), Freund et al.
patent: 60-135839 (1985-07-01), None
Kawabe Shun
Sato Keiichi
Birch & Stewart Kolasch & Birch, LLP
Noon Max
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