Patent Model - Improvement in Bung-Cutter
Maker and role
Josiah Kirby (b.1816, d.1901), Patentee
Production date
Dec 24 1867
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Object detail
Media/Materials
Brass, iron
Measurements
12 x 7 x 7" (30.5 x 17.8 x 17.8cm)
Description
Kirby's patent first has each bung "cut by a fish-mouthed chisel from a separate square block of wood, of the same diameter as the bung, thus saving material, and lessening the strain on the machine. Second, that the bung-blocks are fed into the machine exactly in line with the chisel, by means of the feed-bar, and the guides and spring around the mouth of the chisel..." (Patent Number 72,505)
Collection
Object number
2015.14.801a,b
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