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The Hooded Fountain Paint Brush: A Dome Shares the Paint Between Both Sides
Martin

Dicipta oleh

Martin

6. Oktober 2026NO
30
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The Hooded Fountain Paint Brush: A Dome Shares the Paint Between Both Sides

Paint fed into the middle of a brush clogs its head, and one side of the bristles runs dry. Franklin E. Fornwalt of Harrisburg, Pennsylvania, received US 842,644, patented 29 January 1907, for a fountain brush "for applying paint": a tin holder clamped over the brush carries a reservoir whose floor has a row of apertures under a hollow turning valve, and below it a hood whose dome sends equal paint to both sides of the bristles. This rung works out the flow a brush needs, then folds the holder from aluminium sheet over a 120 mm brush and measures the paint it lays on each side of a stroke.
Pertengahan
About 5 hours

Arahan

1

Paint the brush needs

Memuatkan buku nota Jupyter…
2

A turned perforated tube before it

The embedded blueprint turns a perforated tube to change how water leaves a brush. Fornwalt turns a perforated valve to open or close a row of holes over a hood.
3

Read US 842,644

"In virtue of the provision of the said hood D paint is effectually prevented from getting on the brush-head b, and at the same time liability of the brush becoming choked and impaired is reduced to a minimum. It will also be apparent that the hood D conveys an equal quantity of paint to each side of the body of bristles a and assures the paint reaching the sides of the body of bristles in the form of thin layers, which obviously contributes materially to the efficiency of the fountain-brush as a whole."
4

Fold the tank

Fold aluminium sheet into a box 160 × 60 × 70 mm with a lid. Rivet the seams and seal them inside with silicone. Cut a 25 mm filling hole in the lid.

Bahan untuk langkah ini:

Kepingan aluminiumKepingan aluminium1 keping
Rivet tembakRivet tembak1 keping
Pengedap SilikonPengedap Silikon1 keping

Alatan diperlukan:

Gunting kepingan logamGunting kepingan logam
Playar Muncung RataPlayar Muncung Rata
Ragum BangkuRagum Bangku
Set penembak rivetSet penembak rivet
Gerudi Tanpa WayarGerudi Tanpa Wayar
Set Mata GerudiSet Mata Gerudi
Set gergaji lubangSet gergaji lubang
Sarung Tangan Kerja KulitSarung Tangan Kerja Kulit
5

Drill the floor

Drill six 3 mm holes along the floor's centre line, 20 mm apart.

Alatan diperlukan:

Gerudi Tanpa WayarGerudi Tanpa Wayar
Set Mata GerudiSet Mata Gerudi
Penanda KekalPenanda Kekal
PembarisPembaris
6

Make the turning valve

Cut 200 mm of 10 mm copper tube. Drill six 3 mm holes in a line to match the floor's, and file a 6 mm slot along the opposite side. Pass it through both end walls just above the floor and bend one end into a crank.

Bahan untuk langkah ini:

Tiub tembagaTiub tembaga1 keping

Alatan diperlukan:

Gergaji BesiGergaji Besi
Gerudi Tanpa WayarGerudi Tanpa Wayar
Set Mata GerudiSet Mata Gerudi
Kikir (Kikir Tangan)Kikir (Kikir Tangan)
Ragum BangkuRagum Bangku
7

Fold the hood

Bend an aluminium strip into a ridge with 40° sides and rivet it under the floor, its peak under the holes.

Bahan untuk langkah ini:

Kepingan aluminiumKepingan aluminium1 keping
Rivet tembakRivet tembak1 keping

Alatan diperlukan:

Ragum BangkuRagum Bangku
Set penembak rivetSet penembak rivet
8

Clamp on the brush

Rivet two side skirts below the tank. Drill them and a 120 mm brush's stock for two M6 bolts, and clamp the brush between the skirts with nuts so their lower edges rest on the bristles.

Bahan untuk langkah ini:

Pelbagai bolt heksagonPelbagai bolt heksagon1 keping
Nat HeksagonNat Heksagon1 keping
Sesendal RataSesendal Rata1 keping
Rivet tembakRivet tembak1 keping

Alatan diperlukan:

Gerudi Tanpa WayarGerudi Tanpa Wayar
Set Mata GerudiSet Mata Gerudi
Sepana boleh larasSepana boleh laras
Set berus lukisSet berus lukis
9

The patent drawing

US 842,644 drawing sheet, public domain (expired patent).
Langkah 9 - Image 1
10

Paint and weigh

Fill the tank with thinned acrylic paint. Weigh a plywood board, open the valve half, and paint one 1 m stroke each way. Weigh it again; compare how wet each side of the bristles is.
Langkah 10 - Image 1

Bahan untuk langkah ini:

Set cat akrilikSet cat akrilik1 keping
AirAir1 keping
Kepingan papan lapisKepingan papan lapis1 keping

Alatan diperlukan:

Penimbang Dapur DigitalPenimbang Dapur Digital
Pita UkurPita Ukur
Jam RandikJam Randik
11

A brush that clogs, floods or paints one side

Hooded fountain paint brush troubleshooting.

Flow

Loading...
12

History and honest limits

**Franklin E. Fornwalt** of Harrisburg, Pennsylvania, filed US 842,644 on 28 September 1906; it was patented 29 January 1907. His holder is preferably tin; bolts through the brush head with thumb nuts press the side walls in against the bristles, and removing them lets the brush be replaced. A connection may take a hose from a paint supply or compressed air. A right-angled form paints vertical surfaces, feeding the upper side of the bristles only. **Honest limits.** Riveted aluminium stands in for his tin, and plain nuts for his thumb nuts. Your weights are the result.

Bahan

10

Alatan Diperlukan

17

CC0 Domain Awam

Blueprint ini dikeluarkan di bawah CC0. Anda bebas menyalin, mengubah, mengedar, dan menggunakan karya ini untuk sebarang tujuan, tanpa meminta kebenaran.

Sokong Pembuat dengan membeli produk melalui Blueprint mereka di mana mereka memperoleh Komisen Pembuat ditetapkan oleh Penjual, atau cipta iterasi baru Blueprint ini dan sertakan ia sebagai sambungan dalam Blueprint anda sendiri untuk berkongsi hasil.

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