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US Patent: 2,707,884
Composite gear wheel
Jean-Baptiste Boisvert - Plessisville, QC Canada

USPTO Classifications:

Tool Categories:

Forano Ltee - Plessisville, QC Canada

Forano Ltee - Plessisville, QC Canada


Patent Dates:
Applied: Jul. 02, 1952
Granted: May 10, 1955

Patent Pictures:
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"Vintage Machinery" entry for Forano Ltd.
"Let us consider, for instance, the dryer gears, as used in many paper mills, having a diameter of four to seven feet, a four to ten inch face, meshing in a group of twenty to sixty in a single paper machine, driven from motors totalling up to a thousand horsepower; half of these gears should be made with non-metallic teeth to resist the velocity of nearly two thousand feet per minute now required to satisfy the increased paper demand."

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