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UBUKORIKORI
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English
Coopered Vat: Oak Staves in Riveted Iron Hoops
A vat is the cooper's large open tub: oak staves standing edge to edge, held tight by hoops, with a flat bottom set in a groove. Coopers made the vats beer was brewed in; papermakers and chemists use them to hold pulp, washes and settling liquors. Shave tapered staves, forge and rivet iron hoops, raise the staves in the hoops and fit the bottom.
The picture: our diagram, a vat and its tapered staves.
Hejuru
Several days
Amabwiriza
1
1
Shape the staves
Shape the staves
Rive or saw oak into staves as long as the vat is deep. Shave each one on the horse, taper it from top to bottom (step 5 gives the widths), and plane the edges so neighbours meet along their whole length.
Ibikoresho by'iyi ntambwe:
Urubaho rw'ibiti bikomeye6 ibiceIbikoresho bikenewe:
Froe (icyuma cyo gucamo)
Intebe yo gukanda
Imbugita ikururwa
Ikoresho cyo gusiga ibiti
Umucumita w'Intoki2
2
Forge the hoops
Forge the hoops
Draw wrought iron into flat strip about 30 × 3 mm (our size), cut it to the circumference where each hoop sits plus a lap, bend it round, punch the lap and rivet it closed.
Ibikoresho by'iyi ntambwe:
Umugozi w'icyuma cyacuzwe3 ibice
Ibyuma byo guhambira6 ibice
Amakara5 as requiredIbikoresho bikenewe:
Uruganda rw'umucuzi
Ingoyi
Inyundo ifite umutwe utambitse
Igitobora gishyushye
Amafashi y'umucuzi
Uturindantoki two gukomeza ibyuma3
3
Raise the vat
Raise the vat
Stand the staves inside a hoop, wide ends up, until the ring is closed. Drive the hoops down with a hammer and a block until the joints close tight.
Ibikoresho bikenewe:
Inyundo ifite umutwe utambitse4
4
Groove and bottom
Groove and bottom
Cut a groove round the inside a little above the lower edge. Join planks into a board, scribe a circle to fit the groove, cut and bevel it, slack the lower hoop, spring the bottom in, and drive the hoop home. Fill with water: the wood swells and seals.
Ibikoresho by'iyi ntambwe:
Urubaho rw'ibiti bikomeye2 ibiceIbikoresho bikenewe:
Ibikoresho by'amasuka
Ikizunguruka gifite imitwe ibiriUmucumita w'IntokiIkoresho cyo gusiga ibitiInyundo ifite umutwe utambitse5
5
Staves and hoops
Staves and hoops
Gupakira ikaye ya Jupyter…
Ibikoresho
4- 8 ibiceUmwanya
- 3 ibiceUmwanya
- 6 ibiceUmwanya
- 5 as requiredUmwanya
Ibikoresho bikenewe
13- Umwanya
- Umwanya
- Umwanya
- Umwanya
- Umwanya
- Umwanya
- Umwanya
- Umwanya
- Umwanya
- Umwanya
Iki gishushanyo gikora
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