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Single-Wire Potato Masher: One Length of Wire, No Solder
Wire mashers were made of many pieces soldered together, costly and weak where they joined.
Alanson Brown of Rochester, New York, received US 178,228, dated 6 June 1876, for a potato masher "from a single piece of wire": the middle of the length bent into longitudinal coils that form the bed, its ends crossed under them as transverse lengths, then brought up and twisted together into a shank set in a handle. "These coils and cross-lengths mutually brace and support each other," and "no soldering or other attachment is required."
This rung works out the wire needed, then bends the masher from one length of stainless wire, prints the handle, and mashes a pan of potatoes.
初学者
About 1 hour, plus printing
说明
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1
One length of wire
One length of wire
正在加载 Jupyter 笔记本…
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2
A wire masher before it
A wire masher before it
The embedded blueprint solders five braces to a wire coil. Brown makes the whole masher from one length with no solder.
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Read US 178,228
Read US 178,228
"The object of this invention is to make a potato-masher from a single piece of wire, thereby insuring great cheapness, and so arranged that proper stiffness and strength of the mashing-surface are obtained. To accomplish this I make the coils a a in the center of the length of wire and cross them with the transverse lengths b b. These coils and cross-lengths mutually brace and support each other, and prevent yielding and springing of the coils, which would occur if they alone were used."
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Bend the bed
Bend the bed
Take 1 m of 3 mm stainless wire, about his yard. Starting at its middle, bend six parallel coils 70 mm long and 12 mm apart, working out toward both ends.
此步骤所需材料：
不锈钢丝1 个所需工具：
圆嘴钳
平口钳
台虎钳
卷尺
皮革工作手套5
5
Cross and twist
Cross and twist
Bend each end inward and cross it under the coils, bring it up the far side and over the top to the centre. Twist the two ends together for 120 mm as the shank.
所需工具：
平口钳台虎钳皮革工作手套
透明安全眼镜6
6
Fit the handle
Fit the handle
Print the handle (/uploads/blueprints/single-wire-potato-masher-handle.stl). Print in PETG at 0.2 mm layers, 30 % infill, 4 walls; wash before first use. File the shank's end and epoxy it into the handle's bore.
此步骤所需材料：
PETG线材1 个
双组分环氧胶1 个所需工具：
FDM 3D 打印机
锉刀（手用锉）7
7
The patent drawing
The patent drawing
US 178,228 drawing sheet, public domain (expired patent).
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Cook and mash
Cook and mash
Boil 500 g of potatoes, peeled and quartered, for about 20 minutes until a knife slides in; drain. Mash with the wire masher and time it to no lumps; press hard on one corner and check whether the bed springs.
此步骤所需材料：
马铃薯1 个
水1 个所需工具：
高壁炖锅
大号不锈钢搅拌盆
秒表
6 英寸数显卡尺9
9
A bed that springs, a shank that turns
A bed that springs, a shank that turns
Single-wire potato masher troubleshooting.
Flow
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History and honest limits
History and honest limits
**Alanson Brown** of Rochester, New York, filed US 178,228 on 8 November 1875; it is dated 6 June 1876. Wire mashers had usually been made with a volute face stayed by separate pieces united at the handle; his is bent and twisted only. His drawings show modifications with other coil arrangements. He claimed the coils, transverse lengths and twisted shank from a single length of wire.
**Honest limits.** Stainless wire and a printed handle stand in for his. Your times are the result.
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