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Peel-Sieve Potato Masher: Press Through the Net, Leave the Peel
Peeling boiled potatoes before mashing is slow and burns the fingers.
Edmund Brown of Burlington, Vermont, received US 78,050, dated 19 May 1868, for a vegetable masher: an inclined net of horizontal bars and upright wires held between two posts, and a smooth presser that swings down and slides on it, "so arranged that the mashed body or pulp of the potato ... will be forced through the meshes or perforations of the frame, while the peels will not pass through the same, but will fall into a dish or pan placed for their reception."
This rung works out the net's openings, then prints the net and presser, builds the stand, and mashes potatoes boiled in their skins.
Intermediate
About 3 hours, plus printing
Instructions
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Openings and peel
Openings and peel
Loading Jupyter Notebook...
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Mashing through a mesh before it
Mashing through a mesh before it
The embedded blueprint presses potatoes through a wire bottom. Brown inclines the net so the peel stays behind and falls clear.
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Read US 78,050
Read US 78,050
"A boiled potato is cut half through, and one half of it is placed with the cut surface upon the side a b, while the presser is swung down, as shown by red lines in fig. 2. The presser is then turned up against the sieve, forcing the mealy contents of the potato through the meshes of the sieve, while the peel will remain upon the sieve. The presser is then moved down between the posts B, and carries the peel down, so that the particles of flesh adhering to it may be removed."
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Print the net and presser
Print the net and presser
Print the net of bars and wires in its frame (/uploads/blueprints/peel-sieve-potato-masher-sieve.stl) and the presser with its handle and hooks (/uploads/blueprints/peel-sieve-potato-masher-presser.stl). Print in PETG at 0.2 mm layers, 30 % infill, 4 walls; wash before first use.
Materials for this step:
PETG Filament1 pieceTools needed:
FDM 3D Printer5
5
Build the stand
Build the stand
Screw two hardwood posts to a plywood base at about 25° from upright, 140 mm apart. Screw the net between them, and fit a pin across the posts' tops for the presser's hooks.
Materials for this step:
Plywood Sheet1 piece
Hardwood Block1 piece
#8 x 1" Wood Screw1 piece
Mild Steel Rod1 pieceTools needed:
Coping Saw
Cordless Drill
Drill Bit Set
Screwdriver Set
Hacksaw6
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The patent drawing
The patent drawing
US 78,050 drawing sheet, public domain (expired patent).
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Mash in the skins
Mash in the skins
Boil 500 g of potatoes in their skins for about 25 minutes until a knife slides in; drain. Cut each potato half through, lay a half cut side down on the net, swing the presser down and press. Weigh the mash in the bowl below and the peel left behind.
Materials for this step:
Potatoes1 piece
Water1 pieceTools needed:
Saucepan
Kitchen Knife
Stainless Steel Mixing Bowl (Large)
Digital Kitchen Scale8
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A net that clogs, a peel that tears through
A net that clogs, a peel that tears through
Peel-sieve potato masher troubleshooting.
Flow
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History and honest limits
History and honest limits
**Edmund Brown** of Burlington, Vermont, assignor to himself and George G. Wright, received US 78,050, dated 19 May 1868. The frames of bars and wires are removable for cleaning; a wire sieve or perforated plate may serve instead. A follower on the presser clears the net, and the peel drops into a receptacle while the mash falls on an inclined board into another; a plate on the presser keeps mash from sticking.
**Honest limits.** A printed net and hardwood posts stand in for his. FDM prints hold food in their layer lines, so wash well and replace when worn. Your weights are the result.
Materials
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Tools Required
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