Word: flasks
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Dates: during 1930-1939
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...flexible flask. Sculptor Lenz added a principle long used in dentistry, never before in sculpture. A vacuum pump is attached to the mold. Instead of pouring the metal in, it is sucked strongly into the finest grooves. At the same time air pressure causes
...mold and flask to contract strongly...
...Molds for casting are placed in a metallic boxlike vise called a flask, to keep it in shape as the metal is poured in. To overcome the problem of the metals shrinking in cooling, Sculptor Lenz invented a flexible flask made of an elastic composition which contracts with the metal...
Unavailable for another two weeks are the exact formulas for Alfred Lenzls alloys, his special modeling wax, the compositions for his molds and the famed Flexible Flask. On his death these, with a number of diagrams and explanatory sketches, were left to his brother and two sisters who in turn deeded the process (which might have brought then a great deal of money from commercial foundries) to the American Artists Professional League. The A. A. P. L. in turn handed the Lenz Process to the Sculpture Society as an organization better equipped to make use of it. All the final...
...embrace the task of wresting precious tickets from the hands of those whose God-given work it would seem to be to keep them hidden in the filling cases on Harvard Street. Then there is the bitter disappointment when he reaches for the flagon, and finds only the flask...