VulcanizationMold1941.jpg
Summary
Author |
creator QS:P170,Q2895582
, photographer.
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Description |
English:
Worker operating an automatic vulcanization mold at Firestone (General) Tires, Akron, Ohio. The mold is closed by pushing a button, which starts several operations. First the airbag is filled with live steam which circulates during the entire process; next an automatic timer sets itself for the proper length of time and temperature; next pressure is exerted to squeeze the tire into the mold pattern.
Deutsch:
Fabrikarbeiter bedient automatische Vulkanisierpresse in der Reifenfabrik Fireston in Akron im US-Bundesstaat Ohio. Die Presse wird per Knopfdruck geschlossen und steuert den Arbeitsablauf selbsttätig. Zuerst wird das Gehäuse mit Dampf gefüllt, dann werden Bearbeitungszeit und Temperatur eingestellt und schließlich wird das Werkstück mit Druck in die Form eingepresst.
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Date |
December 1941
date QS:P571,+1941-12-00T00:00:00Z/10
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Medium | 1 negative : safety | |||||||||||||||||||||||
Dimensions | 4 x 5 inches or smaller. | |||||||||||||||||||||||
Collection |
institution QS:P195,Q131454
Prints & Photographs Division Washington, DC 20540
http://hdl.loc.gov/loc.pnp/pp.print
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Accession number |
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Notes |
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Source |
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Licensing
Public domain Public domain false false |
This image is a work of an employee of the United States Farm Security Administration or Office of War Information domestic photographic units, taken as part of that person's official duties. As a work of the U.S. federal government , the image is in the public domain in the United States. See Copyright . |