Measuring and testing – Liquid analysis or analysis of the suspension of solids in a... – Content or effect of a constituent of a liquid mixture
Patent
1974-06-27
1976-02-17
Gill, James J.
Measuring and testing
Liquid analysis or analysis of the suspension of solids in a...
Content or effect of a constituent of a liquid mixture
73103, G01N 328, G01N 308
Patent
active
039383733
ABSTRACT:
Accurate, reproducible results in the tensile testing of thin metal foils are obtained by a method which comprises before placing the test specimen in a tensile testing machine, working the side edges of the test specimen until the edges are parallel and flaw-free, aligning the work specimen between spaced grip end members, securing end portions of the aligned test specimen to the grip end members, each of said grip end members containing female member means in face-to-face relationship to each other. The female member means are located on either side of and perpendicular to the plane of the test specimen and couple with corresponding male member means secured to the jaws of the tensile testing machine.
An aligning apparatus employed in the method of the invention comprises an alignment box having a longitudinal bottom wall and two upright side walls, first and second removable grip end members disposed at each end of said box and means for securing the grip end members within the box. The grip end members are provided with means for receiving opposite end portions of the test specimen and for aligning the test specimen and also with the aforementioned female member means for receiving male member means.
REFERENCES:
patent: 1219593 (1917-03-01), Scott
patent: 2748597 (1956-06-01), Kooistra
patent: 2751512 (1956-06-01), Reen et al.
A. Lawley et al., Preparation and Tensile Testing of Thin Metal Foils of Rolled Material, Rev. of Sci. Inst., Vol. 33, No. 11, pp. 1178-1180, Nov. 62.
D. K. Wilsdorf et al., et al., New Tensile Testing Machine for Thin Specimens, Rev. of Sci. Inst., Vol. 33, No. 9, pp. 930-933, Sept. 62.
Fletcher James C. Administrator of the National Aeronautics and Space
Wade Orval W.
Ciarlante Anthony V.
Gill James J.
Manning John R.
Osborn Howard J.
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